What is RDX ...? Mcqs

PPSC Past Papers

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What is RDX ...?

(A) An instrument
(B) A gene

(C) An explosive
(D) Cyanohydrin

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Approximate age of earth is ________...?

(A) 4.14 billion years
(B) 4.64 billion years

(C) 4.54 billion years
(D) 4.34 billion years

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Which type of wastes are classified as Non-biodegradable waste...?

(A) Waste from the plastic industry
(B) Vegetable waste from farms

(C) Kitchen waste from home
(D) None

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Radioactive isotope of Uranium used in Nuclear Bomb is ...?

(A) 92 U 235
(B) 92 U 234

(C) 92 U 233
(D) 92 U 238

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Who discovered Uranus__________...?

(A) William Caxton
(B) John Davise

(C) Herschel
(D) Shellay

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The unicellular structure, responsible for asexual reproduction without fusion is ______...?

(A) Pores
(B) Spores

(C) Gametes
(D) Pollen grains

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Which of the following physical phenomena can not be described only by the wave theory of electromagnetic radiation...?

(A) Diffraction
(B) interference

(C) Photoelectric emission
(D) Polarization

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Science is derived from Latin word “scientia” which means_________...?

(A) Reasoning
(B) Logic

(C) Knowledge
(D) Life

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What is the third most common gas found in the air we breathe ________ ...?

(A) Hydrogen
(B) Neon

(C) Carbondioxide
(D) Argon

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Steradian is the unit of_______________...?

(A) Solid angle
(B) Liquid angle

(C) Gas angle
(D) Plain angle

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Extra circular DNA which use as vector of gene is ____...?

(A) Genome
(B) Plasmid

(C) Pilli
(D) Ligase

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How many daughter cells are produced from meiosis...?

(A) One
(B) Two

(C) Three
(D) Four

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Kidney disease happens due to overdose of...?

(A) Vitamin A
(B) Vitamin B

(C) Vitamin C
(D) Proteins

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When the magnet is suspended freely, its north and south poles are always pointed towards...?

(A) North and South poles of earth respectively
(B) North and South poles of earth in the opposition direction

(C) East and West of earth respectively
(D) East and West of earth in opposite direction

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Which of the following is used as a fuel to produce heat energy...?

(A) Biomass Energy
(B) Solar Energy

(C) Hydro Energy
(D) Wind Energy

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High solubility of fertilizers also degrades ecosystem through _____...?

(A) Acidification
(B) Erosion

(C) Salinity
(D) Eutrophication

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Which mineral is makes red blood cells and it involved in oxygen transport and storage for energy conversions...?

(A) Magnesium
(B) Sodium

(C) Copper
(D) Iron

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Bio elements considered as vital for life are ______ members or in numbers....?

(A) 13
(B) 12

(C) 14
(D) 16

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The first and largest asteroid discovered was__________...?

(A) Pallas
(B) Juno

(C) Ceres
(D) Trojan

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Surfactants reduce the ______ of water....?

(A) Viscosity
(B) Surface tension

(C) Boiling point
(D) Melting Point

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A mirror which has a reflecting surface that bulges outwards like the back side of the spoon is called ____...?

(A) Concave Mirror
(B) Plane Mirror

(C) Convex Mirror
(D) Parabolic Mirror

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What is the smallest unit of heredity...?

(A) Chromosomes
(B) Gene

(C) Nucleotides
(D) none

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Liver uses which vitamin for creating new Red Blood cells...?

(A) B12
(B) B6

(C) A
(D) K

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The materials required for respiration are ______...?

(A) Glucose (C6H12O6) and Oxygen (O2)
(B) Glucose (C6H12O6) and Water (H2O)

(C) Carbon Dioxide (CO2) and Water (H2O)
(D) Oxygen (O2) and Light Energy

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In Fishes excretory Product is__________...?

(A) Nitrogen
(B) Ammonia

(C) Uria
(D) Carbon dioxide

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BCG vaccine is used to produce immunity against___________...?

(A) Whooping cough
(B) Tuberculosis

(C) Virus fever
(D) Smallpox

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Which of the following science is considered “mother of all sciences”...?

(A) Biology
(B) Mathematics

(C) Physics
(D) Chemistry

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Copper is used in the production of___________...?

(A) Brick kilns
(B) Children toys

(C) Kitchen utilities
(D) Electric wires

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A common skin condition that causes skin redness and irritation is known as_________...?

(A) Psoriasis
(B) Hypermetropia

(C) Leukoderma
(D) Diphtheria

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Very small time intervals are accurately measured by the___________...?

(A) Pabsars
(B) White dwarfs

(C) Atomic Clocks
(D) None of these

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Name the material of screen which used in Rutherford atomic model...?

(A) Aluminum foil
(B) Zinc sulphide

(C) Sodium sulphide
(D) Aluminum sulphide

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Which is not a biodegradable waste...?

(A) Vegetable peeling
(B) Plastic bottles

(C) Paper
(D) None

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Brass gets discoloured in air because of the presence of which of the following gases in air ________ ...?

(A) Carbon dioxide
(B) Oxygen

(C) Nitrogen
(D) Hydrogen sulphide

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Fundamental molecule produced during photosynthesis is ______...?

(A) Glucose
(B) Amino acid

(C) Fatty acid
(D) Nucleotide

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Locked-in syndrome (LiS) is which type of disorder...?

(A) Developmental
(B) Neurological

(C) Hormonic
(D) Genetic

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Approximately how many Galaxies are there ...?

(A) 10 Billion Galaxies
(B) 100 Billion Galaxies

(C) 1000 Billion Galaxies
(D) 10000 Billion Galaxies

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A _______ with a rod, called an axle, through its center lifts or moves loads....?

(A) Wheel
(B) Pulley

(C) Lever
(D) Inclined Plane

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Microscopes are instrument designed to produce _____ visual image....?

(A) Magnified
(B) Enlarged

(C) Inverted
(D) Illuminated

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Which product is obtained in the manufacture of soap from oils:...?

(A) Sodium chloride
(B) Sodium hydroxide

(C) Fats
(D) Glycerine

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In which type of solar eclipse the Sun’s center is covered by the moon, leaving its edges uncovered...?

(A) Partial Solar Eclipse
(B) Total Solar Eclipse

(C) Annular Solar Eclipse
(D) None of the above

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Which medicine can be used to make urine red in colour...?

(A) isoniazir
(B) iron capsule

(C) Rifampicin
(D) Omeprazole

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The α-radiation is _______...?

(A) A stream of fast-moving electrons
(B) A form of electromagnetic radiation

(C) Highly ionizing than γ-radiation
(D) More penetrating than β-radiation

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Snowfall is required from alleviation of mountain ______...?

(A) 36 - 38 degree
(B) 30 - 34 degree

(C) 38 - 40 degree
(D) None of these

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The type of coordination through electrochemical signals is _______...?

(A) Nervous
(B) Chemical

(C) Mechanical
(D) All of these

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The approximate intensity level of the sound which can cause damage to the ear drum is...?

(A) 20 dB
(B) 60 dB

(C) 100 dB
(D) 160 dB

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Which of the following is secreted by liver and stored in the gallbladder...?

(A) Saliva
(B) Bile

(C) Gastric juice
(D) Pancreatic juice

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In an acidic medium, methyl orange is orange (red) and in a basic medium, it is...?

(A) Red
(B) Yellow

(C) Pink
(D) Blue

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Which of the following is the flightless bird...?

(A) Pavo cristatus
(B) kakapo

(C) Passer
(D) None of these

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Which of the following is the world’s loudest bird ...?

(A) White bellbird
(B) Peacock

(C) Piha
(D) None of the above

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The materials required for photosynthesis are _______...?

(A) Water (H2O) and Oxygen (O2)
(B) Water (H2O) and Carbon Dioxide (CO2)

(C) Carbon Dioxide (CO2) and Light Energy
(D) Glucose (C6H12O6) and Oxygen (O2)

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Which element has the third most % in human body...?

(A) Oxygen 65%
(B) Calcium 75%

(C) Hydrogen 10%
(D) Carbon 18%

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Vector of Kala-azar disease is___________...?

(A) Sandfly
(B) Dragonfly

(C) Mosquito
(D) Housefly

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How many time zones are there in the world...?

(A) 22
(B) 12

(C) 16
(D) 24

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The SI standard of time is based on_____________...?

(A) the daily rotation of the earth
(B) the frequency of light emitted by Kr86

(C) the yearly revolution of the earth about the sun
(D) a precision pendulum clock

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‘Alba’ was a genetically modified ‘glowing’ ___ created as an artistic work by contemporary artist Eduardo Kac....?

(A) Sheep
(B) Dog

(C) Rabbit
(D) Mouse

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The study of distribution of different living organisms in different regions of the world is called...?

(A) Ecology
(B) Biogeography

(C) Zoogeography
(D) Biotechnology

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Keeping of Birds Called___________...?

(A) Apiculture
(B) Aviculture

(C) Viniculture
(D) Viticulture

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Which of the following factor does not affect the pressure of the gas in a container...?

(A) Temperature
(B) Volume

(C) Density of gas
(D) Container material

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What is the largest flower in the world...?

(A) Conifer
(B) Fern

(C) Rafflesia
(D) Horsetail

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In following reaction the glucose produced by plant is stored in which special forms: 6CO2 + 6H2O → C6H12O6 + 6O2...?

(A) Cellulose
(B) Starch

(C) Protein
(D) Lipid

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NH3 can be a base according to ______...?

(A) Arrhenius theory
(B) Bronsted-Lowery theory

(C) Lewis theory
(D) Both b and c

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According to which law gas is directly proportional to temperature...?

(A) Charles Law
(B) Boyles Law

(C) Grams Law
(D) Dalton’s Law

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Friction can be reduced by changing from _________...?

(A) Rolling to sliding
(B) Sliding to rolling

(C) Dynamic to static
(D) Potential energy to kinetic energy

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The Empirical formula of hydrogen peroxide is _______...?

(A) H2O2
(B) HO

(C) OH
(D) O2H2

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Which of the following gas mainly responsible for ozone layer depletion...?

(A) Chlorofluorocarbon
(B) CO2

(C) Nitrogen oxide
(D) Sulphur dioxide

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The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water....?

(A) 1 gram
(B) 10 grams

(C) 1 kg
(D) 10 kg

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The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called____________...?

(A) Sedimentary rocks
(B) Metamorphic rocks

(C) Igneous rocks
(D) All of the above

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The distance covered by a unit of time is called...?

(A) Force
(B) Speed

(C) Momentum
(D) None

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Trace the correct pathway of protein produce from protein factories...?

(A) RER → Ribosome → Golgi body → Lysosome
(B) Ribosomes → RER → Golgi body → Lysosome

(C) Golgi body → RER → Ribosome → Lysosome
(D) RER → Ribosome → Lysosome → Golgi body

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A healthy child 7-14 years of age, required approximately _______ gram of protein per kilogram of body weight....?

(A) 1
(B) 2

(C) 3
(D) 4

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Which of the following is called smallest, shallowest and coldest ocean of the world...?

(A) Pacific Ocean
(B) Indian Ocean

(C) Arctic Ocean
(D) None of the above

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Your weight as measured on Earth will be _____ on Moon...?

(A) Increased
(B) Decreased

(C) Remains same
(D) None of these

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The M.K.S. system was first introduced by _________ ...?

(A) Giorgi
(B) Archimedes

(C) Eienstein
(D) Newton

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Which is the useful product for plants...?

(A) Oxygen
(B) Water

(C) Glucose
(D) Carbon Dioxide

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Which of the following constituents of pollutant exhaust in hazardous to man...?

(A) Carbon monoxide
(B) Carbon dioxide

(C) Lease particles
(D) Carbon particles

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What fear do people with haphephobia have...?

(A) fear of dogs
(B) fear of helicopters

(C) fear of touch
(D) fear of houses

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Color of the glow produced in the discharge tube:...?

(A) depends on the pressure in the discharge tube
(B) depends on the metal used as cathode

(C) depends on the gas used in the discharge tube
(D) does not depend on the nature of the gas used in the discharge tube

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Who discovered the blood group of man...?

(A) Edward Jenner
(B) Laren

(C) Karl Landsteiner
(D) William Harvey

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What is the Chemical formula of Zinc Hydroxide _________ ...?

(A) Zn(OH)2
(B) ZNO2

(C) Zn2(OH)3
(D) ZnOH

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In radiation, which of the following has strong photons...?

(A) X-Rays
(B) Gamma

(C) Microwave
(D) Electromagnetic

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According to quantum theory of light, photons are _______...?

(A) Waves
(B) Particles

(C) Energy packets
(D) Electromagnetic

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Biggest award in the field of science is the __________...?

(A) Noble Prize
(B) UNESCO peace prize

(C) Right livelihood prize
(D) All of these

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The Latin word of the name given to a human being Homo Sapiens, include the: __________...?

(A) Genus & Family
(B) Family & Order

(C) Genus & Class
(D) Genus & Species

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Analytical solutions to Quadratic equations were introduced by__________...?

(A) Al-Khawarzimi
(B) Al-haitham

(C) IsasacNewton
(D) Pythagoras

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Each seed is covered on the outside by a _______, which is also known as _______....?

(A) Embryo, Endosperm
(B) Endosperm, Pericarp

(C) Seed coat, Testa
(D) Seedling, Radicle

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Who discovered blood circulation...?

(A) Carl Linnaeus
(B) Francis Crik

(C) Robert. Brown
(D) William Harvey

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A radioactive nuclide emits a β-particle. The atomic number (proton number) of the nucleus number of ______...?

(A) Stays the same
(B) Decreases by 2

(C) Increases by 1
(D) Decreases by 4

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Nuclear radiation is emitted by those elements whose:...?

(A) molecules are stable
(B) molecules are unstable

(C) nuclei are stable
(D) nuclei are unstable

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Red color of tomato is due to___________...?

(A) Anthocyanin
(B) Xanthophyll’s

(C) Lycopene
(D) None of these

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Air contains volume of carbon dioxide approximately...?

(A) 3%
(B) 33%

(C) 0.3%
(D) 0.03%

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In living organisms energy is stored in a special molecule called...?

(A) ATP
(B) NADH

(C) RNA
(D) DNA

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The use of potassium hydroxide produced a ________...?

(A) Hard soap
(B) Soft soap

(C) Moderate soap
(D) All of these

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Birds exhibits which of the following traits...?

(A) Lay eggs
(B) Warm-blooded

(C) Beak/bill & feathers
(D) Tail, two legs & wings

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In an atom, the nucleus when compared to the extra-nuclear part, is _____...?

(A) More significant in volume and heavier in mass
(B) Smaller in volume and lighter in mass

(C) Smaller in volume but heavier in mass
(D) More significant in volume but lighter in mass

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The energy value of food is measured in_______...?

(A) Joule
(B) Calories

(C) Tesla
(D) Proteins

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Activity of Brain is recorded by ____________...?

(A) ECG (Electrocardiogram)
(B) EEG (Electroencephalogram)

(C) X-Ray
(D) None of these

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Blood sugar is measured in:...?

(A) mmHg
(B) mg/deciliter

(C) PPM
(D) Gram/Liter

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Who among the following discovered the sunspots...?

(A) Johannes Kepler
(B) Einstein

(C) Copernicus
(D) Galileo

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Instead of seeds, non-flowering plants produce _______...?

(A) Pollen
(B) Fruits

(C) Spores
(D) Leaves

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The most suitable unit for expressing nuclear radius is_______...?

(A) Angstrom
(B) Micro

(C) Nano meter
(D) Fermi

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Who discovered that the earth was not the center of the universe...?

(A) Aristotle
(B) Nicolaus Copernicus

(C) Sir Isac Newton
(D) None

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In which color the coolest stars are appeared...?

(A) Blue
(B) Yellow

(C) Red
(D) White

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Molasses is a byproduct of ______ Factory ...?

(A) Fertilizer
(B) Cotton seed oil

(C) Sugar
(D) Banaspati Ghee

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Constellations referred to as zodiac, are__________...?

(A) Imaginary regions that encompass the path of the planets
(B) Signs of Roman gods

(C) A group of stars
(D) None of these

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Red-green colour blindness in a man is known as:...?

(A) Prolanopia
(B) Deuteranopia

(C) both a&b
(D) Marfan’s syndrome

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Bile is manufactured and stored by which organ...?

(A) Stomach
(B) Pancreas

(C) Liver
(D) Gallbladder

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Which of the following are the ingredients of gun metal...?

(A) Iron, Zinc and Titanium
(B) Iron and Tin

(C) Iron, Brass and Tin
(D) Copper, Tin and Zinc

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In animal meiosis produces _____...?

(A) Gametes
(B) Zygotes

(C) Embryos
(D) Somatic cells

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Which of the following is a positively charged particle emitted by a radioactive element...?

(A) Beta Rays
(B) Alpha Rays

(C) Gamma Rays
(D) None of these

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Newton’s Third Law of Motion...?

(A) every action there is an equal and opposite reaction.
(B) attraction or repulsion between two charges

(C) volume of a given mass of gas increases or decreases
(D) temperature remaining constant, volume of a given mass of a gas varies inversely

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The lifespan of Red Blood Cells is __________ days...?

(A) 60
(B) 120

(C) 180
(D) 240

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Which is correct order of solar system starting from Sun ...?

(A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
(B) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus

(C) Mercury, Venus, Mars, Earth, Jupiter, Saturn, Neptune, Uranus
(D) Mercury, Venus, Earth, Jupiter, Mars, Saturn, Uranus, Neptune

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An ordinary mobile phone communicate by using___________...?

(A) Sound waves
(B) Infrared waves

(C) UV waves
(D) Radio waves

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The sky drivers use parachutes to easily descend towards the earth because of it:...?

(A) Increases air resistance
(B) Decreases air resistance

(C) Decreases air friction
(D) Speeds up

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An element that does not occur in nature but can be produced artificially is__________...?

(A) Plutonium
(B) Uranium

(C) Radium
(D) Thorium

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According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in_________...?

(A) 2 hours
(B) 5 hours

(C) 8 hours
(D) 10 hours

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Which type of reaction produces the most harmful radiation...?

(A) Fusion reaction
(B) Fission reaction

(C) Chemical reaction
(D) Photo-Chemical reaction

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The term “white coal” sometimes referred to which of the following...?

(A) Geothermal Electricity
(B) Wind Energy

(C) Hydroelectricity
(D) Biomass Energy

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Border line which separates outer space from Earth’s atmosphere is known as___________...?

(A) Durand line
(B) Space line

(C) Venus line
(D) Karman line

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Which gas does a Photocopier machine produce...?

(A) Ozone
(B) carbon dioxide

(C) Sulfur dioxide
(D) None of these

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Radio labeling and carbon dating also show some uses of radioactive isotopes in determining the ____ of fossils....?

(A) Size
(B) Age

(C) Shape
(D) Color

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Diamond is harder than Graphite because of___________...?

(A) Difference in crystalline Structure
(B) Tetrahedral structure of diamond

(C) Difference in layer of atoms
(D) None of these

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Ethyl alcohol was prepared by ______...?

(A) Ibne-Sina
(B) Al-Razi

(C) Al-Beruni
(D) Jaber bin-Hayan

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A moderator is used in nuclear reactor in order to ...?

(A) Accelerate the neutrons
(B) Slow down the speed of the neutrons

(C) Increase the number of elections
(D) Decrease the number of electrons

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If the green leaves are placed under red light, their color will become________...?

(A) Green
(B) Black

(C) Red
(D) Blue

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Sodium carbonate is produced by____________...?

(A) haber process
(B) Amonia solvay process

(C) decons process
(D) lead chamber process

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CH3-CH2- is _____ radical....?

(A) Methyl
(B) Ethyl

(C) n-propyl
(D) Isopropyl

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The floral part that produces pollen grains is:...?

(A) Sepal
(B) Petal

(C) Anther
(D) Ovary

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Who is Considered as Father of Botany...?

(A) Aristotle
(B) Gregor Joghn Mandle

(C) Theophrastus
(D) Corlous Linnaeous

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How much percentage (%) of the Earth's Surface is covered with water...?

(A) 70%
(B) 60%

(C) 90%
(D) 75%

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Water at 4 degrees centigrade has...?

(A) Minimum density
(B) Maximum density

(C) No density
(D) None of these

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In which stage of mitosis where chromosomes reach towards their respective poles...?

(A) Metaphase
(B) Anaphase

(C) Telophase
(D) Prophase

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Which organs of plants help in reproduction...?

(A) Stems
(B) Flowers

(C) Roots
(D) Leaves

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What is the distance of the star Proxima Centauri from the planet Earth ________...?

(A) 4.2 light years
(B) 3.2 light years

(C) 2.4 light years
(D) 1.5 light years

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Nucleus of an atom was discovered by___________...?

(A) Goldstein
(B) James Chadwick

(C) J J Thomson
(D) Rutherford

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A part of maize seed that contains stored food is called...?

(A) Embryo
(B) Endosperm

(C) Seed coat
(D) Cotyledon

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Which of the following is not a region of the spinal cord ...?

(A) Thoracic
(B) Lumber

(C) Pelvic
(D) All are lying in spinal cord region

Comments
Latest MCQs

The internal condition of an organism is referred as ______...?

(A) Homeostasis
(B) Internal environment

(C) Internal metabolism
(D) Feedback mechanism

Comments
Latest MCQs

The approximate value of the speed of sound in air at 0°C temperature ______...?

(A) 332 m/s
(B) 34 m/s

(C) 17 m/s
(D) 680 m/s

Comments
Latest MCQs

Red blood cells are produced in_________...?

(A) Liver
(B) Heart

(C) Spleen
(D) Bone-marrow

Comments
Latest MCQs

Natural Radioactivity was discovered by Becquerel in ____________...?

(A) 1766
(B) 1896

(C) 1935
(D) 2001

Comments
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Photosynthesis is the only process which produces free O2 by splitting _____...?

(A) Glucose
(B) Carbon Dioxide

(C) Chlorophyll
(D) Water

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Plants in the garden that are usually pollinated by ______ bear brightly colored flowers....?

(A) Animals
(B) Water

(C) Sunlight
(D) Insects

Comments
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Which planet is called “red planet”...?

(A) Mars
(B) Venus

(C) Jupiter
(D) Saturn

Comments
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Which one of the following is not a fraction of crude oil...?

(A) Petroleum coke
(B) Ammonia

(C) Fuel oil
(D) Paraffin wax

Comments
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Which one of the following is a polysaccharide...?

(A) Fructose
(B) Maltose

(C) Starch
(D) N.O.T

Comments
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Alzheimer’s disease is a _________ disorder....?

(A) Genetic
(B) Brain

(C) Eye
(D) Body Weight Loss

Comments
Latest MCQs

Other name of red blood cells is ____________...?

(A) Erythrocytes
(B) Leukocytes

(C) Thrombocytes
(D) None of these

Comments
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According to Newton's law of universal gravitation force ∝ _______...?

(A) m1 m2
(B) 1/r2

(C) r2
(D) Both (a) and (b)

Comments
Latest MCQs

The intensity of earthquake is measured by ____...?

(A) Beaufort scale
(B) Richter scale

(C) Mohs scale
(D) None of these

Comments
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Which one is the world’s largest mangrove forest(s)...?

(A) Changa Manga Forest
(B) Amazon Forest

(C) Sundarbans Forest
(D) None of the above

Comments
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A substance which produces hydroxyl ion (OH)- in the aqueous solution is called...?

(A) Oxidizing agent
(B) Reducing agent

(C) Base
(D) Acid

Comments
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Human beings use _______ liters of pure oxygen per day....?

(A) 550
(B) 2500

(C) 1,050
(D) 10,000

Comments
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Which bird has legs but can’t walk ...?

(A) Loons
(B) Grebes

(C) Hummingbirds
(D) None of these

Comments
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Which mineral is involved in formation of a hormone that is required to produce energy...?

(A) Copper
(B) Magnesium

(C) Calcium
(D) Iodine

Comments
Latest MCQs

Increased quantity and quality of fish production...?

(A) Fisheries
(B) Farming

(C) Animal husbandry
(D) Forestry

Comments
Latest MCQs

How many daughter cells are produced from mitosis...?

(A) Two
(B) One

(C) Four
(D) Five

Comments
Latest MCQs

Disease causing microorganism are referred to an:...?

(A) Viruses
(B) Pathogens

(C) Coliform Bacteria
(D) All of these

Comments
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How many blood vessels can be found in the Umbilical Cord...?

(A) Two
(B) One

(C) Four
(D) Three

Comments
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Which of the following are Biodegradable ___________...?

(A) Cans
(B) Dead Plants

(C) Glass
(D) None of these

Comments
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Study of energy production in living bodies is called_________...?

(A) Biology
(B) Biomechanics

(C) Bioenergetics
(D) Aerodynamics

Comments
Latest MCQs

Vitamin E reduces the requirement of _________ ....?

(A) Iron
(B) Zinc

(C) Selenium
(D) Magnesium

Comments
Latest MCQs

Blue dwarfs’ and ‘Red giants’ respectively refer to:...?

(A) Moons of Jupiter
(B) Young star and Old star

(C) Old star and Young star
(D) None of these

Comments
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Which of these is not a region of the spinal cord...?

(A) Thoracic
(B) Pelvic

(C) Lumbar
(D) none

Comments
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The rod cells of retina are responsible for vision in...?

(A) Bright Light
(B) Dim light

(C) Summary atmosphere
(D) Shiny atmosphere

Comments
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The atmospheric greenhouse effect is produced mainly by the __________________...?

(A) Absorption and re-emission of visible light by the atmosphere
(B) Absorption and re-emission of ultraviolet radiation by the atmosphere

(C) Absorption and re-emission of infrared radiation by the atmosphere
(D) Absorption and re-emission of visible light by clouds

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The Blood Grouping Was Discovered by__________ ...?

(A) Robert Oppenheimer
(B) Karl Landsteiner

(C) Dr Hollerith
(D) None of them

Comments
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The moon’s surface has been explored by how many astronauts...?

(A) 10
(B) 11

(C) 12
(D) 13

Comments
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Which of the following arguments for trade barriers offers potential benefits to consumers...?

(A) To soften the fall of declining industries.
(B) To protect industries from competition from low wage countries.

(C) To protect industries from dumping.
(D) To nurture infant industries by protecting them from cheaper imports.

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Latest MCQs

The list that shows electromagnetic waves in order of an increasing wavelength is _____...?

(A) Microwaves, X-rays, Gamma-rays
(B) Microwaves, Gamma-rays, X-rays

(C) X-rays, gamma-rays, Microwaves
(D) Gamma-rays, X-rays, Microwaves

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Latest MCQs

The type of coordination exhibited by Plants _____...?

(A) Nervous coordination
(B) Chemical coordination

(C) Mechanical coordination
(D) Both a & b

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What is the correct order, in increasing size, for measurement of length...?

(A) Meter, Centimetre, Millimetre
(B) Centimetre, Meter, Millimetre

(C) Meter, Millimetre, Centimetre
(D) Millimetre, Centimetre, Meter

Comments
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Yeast is used in making bread because it produces____________...?

(A) Carbon dioxide
(B) Sugar

(C) Bacteria
(D) Oxygen

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Electron has a much shorter wavelength than visible light, and this allows electron microscopes to produce _____ images....?

(A) Lower-resolution
(B) Higher-magnification

(C) Equal-resolution
(D) Higher-resolution

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Which of the following mixture of gases is required in gas welding...?

(A) Oxygen and ethylene
(B) Oxygen and hydrogen

(C) Acetylene and oxygen
(D) Acetylene and hydrogen

Comments
Latest MCQs

Quantity of fresh air required for a man is 1000 cubic feet of air for every____________...?

(A) 5 minutes
(B) 10 minutes

(C) 15 minutes
(D) 20 minutes

Comments
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What would happen to the escape velocity if the mass of the Earth were doubled, keeping the radius the same...?

(A) It would remain the same
(B) It would increase by a factor of 2sqrt{2}2​

(C) It would double
(D) It would decrease by a factor of 2sqrt{2}2

Comments
Latest MCQs

Another name of RDX is ___________...?

(A) Cyanohydrin
(B) Dextran

(C) Cyclohexane
(D) Cyclonite

Comments
Latest MCQs

The process of comparing an unknown physical quantity with a known standard quantity of the same kind is called...?

(A) Observation
(B) Measurement

(C) Experimentation
(D) Calculation

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Which hormone is necessary for the production of milk in the mother’s breast...?

(A) FSH
(B) prolactin

(C) A.D.H.
(D) Oxytocin

Comments
Latest MCQs

Alcohol and antibiotics on large scale production by organism is an area of ______...?

(A) Environmental biotechnology
(B) Fermentation

(C) Biotechnology in industry
(D) Medicinal biotechnology

Comments
Latest MCQs

Who is considered the “father of psychoanalysis...?

(A) Sigmund Frend
(B) Galileo

(C) Aristotle
(D) Fabrica

Comments
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When blue litmus paper dipped acids, its colour change to ____...?

(A) Pink
(B) Blue

(C) Yellow
(D) Red

Comments
Latest MCQs

Hydrogen peroxide (H2O2)______________...?

(A) helps line up cell proteins
(B) is poisonous to tissues

(C) is often needed as a catalyst
(D) aids in oxidation of glucose

Comments
Latest MCQs

Which is a secondary consumer that eats birds/mouse (primary consumers)...?

(A) Cat
(B) Goat

(C) Peacock
(D) None

Comments
Latest MCQs

Farad is the unit of___________...?

(A) inductance
(B) voltage

(C) capacitance
(D) None of these

Comments
Latest MCQs

Who was the first to measure the earth’s radius...?

(A) Galileo
(B) Copernicus

(C) Ptolemy
(D) Eratosthenes

Comments
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When parallel rays of light fall onto rough surface they are reflected in different directions and are scattered is called _____...?

(A) Regular Reflection
(B) Specular Reflection

(C) Diffused Reflection
(D) None

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Which of the following vitamins is involved in collagen production...?

(A) Vitamin A
(B) Vitamin B12

(C) Vitamin C
(D) None of these

Comments
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The color of blood is red due to __________...?

(A) Haemoglobin
(B) Neutrophils

(C) Esinophils
(D) Hematocrit

Comments
Latest MCQs

Which of the following cannot be stored in glass bottle...?

(A) Aqua regia
(B) HF

(C) HCL
(D) HBr

Comments
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Molarity of a solution which is prepared by dissolving 40g sodium chloride in 500cm^3 of solution is...?

(A) 1.4M
(B) 1.33M

(C) 1.33M
(D) 1.5M

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Basidiospores are considered to be a major source of ___________...?

(A) airborne allergens
(B) water borne allergens

(C) animal faeces
(D) bio-weapon

Comments
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Where do the Prime Meridian and the equator intersect each other point...?

(A) Arabian Peninsula
(B) Malacca Strait

(C) Gulf of Guinea
(D) All of These

Comments
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Smallpox was eradicated in 1970s. What was the ‘great pox’ which remains active...?

(A) Bubonic plague
(B) Syphilis

(C) Measles
(D) None

Comments
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Heat is measured in...?

(A) Joule
(B) Mole

(C) Density
(D) None

Comments
Latest MCQs

Choose the correct statement regarding lock and key model...?

(A) Enzyme and substrate posses' specific complementary geometric shapes
(B) Active site of enzyme is flexible

(C) Active site continuously changes
(D) All above statements are correct

Comments
Latest MCQs

All of the following are electromagnetic radiations except__________...?

(A) Red light
(B) Sound waves

(C) X-Rays
(D) Photon

Comments
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Which one of the following is not a plant product...?

(A) Caffeine
(B) Nicotine

(C) Piperine
(D) Saccharin

Comments
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Steam Turbine was introduce by ________ ...?

(A) C.A. Parson
(B) Orwill Right

(C) Arkwright
(D) Alexander son

Comments
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The boiling point of water on a centigrade scale is...?

(A) 80°C
(B) 90°C

(C) 100°C
(D) 10°C

Comments
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Which one of the following is not a way to reduce friction...?

(A) Smooth and polishing surfaces
(B) Less contact area

(C) Oil and lubricants
(D) Ball bearing and rollers

Comments
Latest MCQs

Red + Green + Blue = ________...?

(A) Maroon
(B) White

(C) Black
(D) None of the above

Comments
Latest MCQs

Value of 1 Farady is equal to ______...?

(A) 9.65 C
(B) 9650 C

(C) 96500 C
(D) 965 C

Comments
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Nowadays Milk is not considered balanced diet because it is lacking in ___________...?

(A) Magnesium and Vitamin D
(B) Iron and Vitamin B

(C) Iron and Vitamin C
(D) calcium and vitamin C

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Which of the following slows down the formation of RBCs (Red Blood Cells)...?

(A) Vitamin B-1
(B) Vitamin C

(C) Vitamin D
(D) Vitamin E

Comments
Latest MCQs

Dead red blood corpuscles are stored in____________...?

(A) Liver
(B) Spleen

(C) Kidney
(D) Heart

Comments
Latest MCQs

In which color the hottest stars are appeared...?

(A) Red
(B) Blue

(C) Dark
(D) Green

Comments
Latest MCQs

Which of the following ocean is the most polluted ocean of the world...?

(A) Indian Ocean
(B) North Pacific Ocean

(C) Arctic Ocean
(D) None of the above

Comments
Latest MCQs

The radioactive isotopes are formed by neutrons bombardment on the nucleus, these incident neutrons must have ___ to penetrate in the nucleus....?

(A) Very high velocity
(B) Very low velocity

(C) Intermediate velocity
(D) All of these

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Which are the secondary consumers and eat primary consumers (birds and mouse)...?

(A) Herbivores
(B) Carnivores

(C) Omnivores
(D) None

Comments
Latest MCQs

The Sun produces most of its energy by_____________...?

(A) Nuclear fusion
(B) nuclear fission

(C) Burning hydrogen
(D) None of these

Comments
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Radon is___________...?

(A) germon radio
(B) radio active gas

(C) artificial fibre
(D) an explosive

Comments
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The basic physical and functional unit of heredity is called _____...?

(A) Chromosome
(B) Gene

(C) Cell
(D) None of these

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Water has been discovered on which potentially habitable super-Earth ...?

(A) K2-14d
(B) K2-15c

(C) K2-13a
(D) K2-18b

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The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

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An agreement between a measured value and the accepted true value...?

(A) Error
(B) Accuracy

(C) Precision
(D) All of these

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In whole Periodic Table which element Is Most Reducing Agent ...?

(A) Chlorine
(B) lithium

(C) Helium
(D) Neon

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Which Planet has purple rocks according to NASA ...?

(A) Jupitar
(B) Neptune

(C) Earth
(D) Mars

Comments
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EEG is used for diagnosing ailments connected with...?

(A) Heart
(B) Brain

(C) Kidneys
(D) Lungs

Comments
Latest MCQs

Sensory neurons carry message towards ...?

(A) Muscle
(B) Muscles and Glands

(C) Sense and Organs
(D) Brain and Spinal Cord

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Which one of the following is non-biodegradable material...?

(A) Plastic
(B) Manure

(C) Wood
(D) Cotton

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Solar energy is radiated in the form of...?

(A) Transverse wave
(B) Electromagnetic waves

(C) Infrared wave
(D) None of these

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In which pollination, mature pollen grains transfer from another of one flower to the stigma of the same flower or another/different flower of the same plant...?

(A) Self Pollination
(B) Cross Pollination

(C) Artificial Pollination
(D) Hybrid Pollination

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What are considered the building blocks of matter...?

(A) Molecules
(B) Protons

(C) Elements
(D) Atoms

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Latest MCQs

Yeasts feeds on sugar in the dough and produces ______ gas....?

(A) Oxygen
(B) Hydrogen

(C) Carbon dioxide
(D) Nitrogen

Comments
Latest MCQs

In acidic formulation lactic acid produced from ______...?

(A) Pyruvic acid
(B) Acetic acid

(C) Citric acid
(D) Glyceric acid

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Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the _______...?

(A) Centripetal force due to the earth’s rotation
(B) Earth’s gravitational pull

(C) Pressure of the atmosphere
(D) Moon’s gravitational pull

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Animal without red blood cells is_________ ...?

(A) Frog
(B) Earthworm

(C) Snake
(D) Crocodile

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Which planet looks reddish in the night sky ...?

(A) Jupiter
(B) Saturn

(C) Mars
(D) MercurY

Comments
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In fireworks,the green flame is produced because of __________...?

(A) Sodium
(B) Barium

(C) Mercury
(D) Potassium

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The example of stem which run horizontally on surface of soil to produce vegetatively...?

(A) Mint
(B) Ginger

(C) Onion
(D) Bryophyllum

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Frederick Sanger is a twice recipient of the Nobel Prize for ________...?

(A) Physics in 1956 and 1972
(B) Chemistry in 1958 and 1980

(C) Physics in 1903 and Chemistry in 1911
(D) Chemistry in 1954 and Peace in 1962

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Which one of the following is not a radioactive element ...?

(A) Cadmium
(B) Thorium

(C) Radium
(D) Uranium

Comments
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In radio, what does the FM stands for...?

(A) Frequency modulation
(B) Frequency meter

(C) Fiber modulation
(D) Frequency Magnet

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Latest MCQs

Cell organelle found in animal cell and help intracellular digestion...?

(A) Lysosome
(B) Ribosomes

(C) Mitochondria
(D) Golgi apparatus

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According to kinetic molecular theory, the pressure exerted by a gas is caused by the _______...?

(A) Bombardment of the gas molecules on the walls of the container
(B) Collision between gas molecules

(C) Large distances between gas molecules
(D) Random motion of the gas molecules

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An Average Hummingbird’s heart rate per minute is __________....?

(A) 500 times
(B) 1000 times

(C) more than 1000 times
(D) more than 1200 times

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Input, processing, output. and storage are collectively referred to as ______...?

(A) Information processing cycle
(B) Hardware life cycle

(C) Software life cycle
(D) Information technology

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Each mole of glucose produce maximum energy i.e ______...?

(A) 2527 Kj
(B) 2627 Kj

(C) 2727 Kj
(D) 2827 Kj

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The radiant energy having lowest energy is...?

(A) gamma rays
(B) UV rays

(C) visible light
(D) Radio waves

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Virus was discovered by...?

(A) Dmitry Ivanovsky
(B) Robert hook

(C) Antony
(D) Brown

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How does the Navstar GPS work for different applications (5)...?

(A) see the answer
(B) empty

(C) empty
(D) empty

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Diabetes mellitus affects human system following a disorder in _____________...?

(A) Anatomy
(B) Behaviour

(C) Metabolism
(D) Excretion

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The animal included in the endangered species is _____...?

(A) Lions
(B) Giant pandas

(C) Elephants
(D) Kangaroos

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The volume of Blood in a Human body to be approximately _________ of body weight...?

(A) 6%
(B) 7%

(C) 8%
(D) 9%

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The ability of the Eye to see in the dark, is due to the production of a purple pigment known as________...?

(A) Carotene
(B) Rhodopsin

(C) Iodopsin
(D) Retinene

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Examples of Monosaccharides are ___________....?

(A) Glucose
(B) Galactose

(C) Fructose
(D) All of these

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What is the most significant environmental risk associated with hazardous waste...?

(A) Increased use of land for landfills
(B) Destruction of Habitat

(C) Air pollution
(D) Contamination of Ground water

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Light Emitting Diode (LED) is a ___ semiconductor device ....?

(A) 3 lead
(B) 4 lead

(C) 7 lead
(D) 2 lead

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In a process of cellular respiration 180 ATP molecules are produced, how many moles of glucose consume during this process...?

(A) 2
(B) 5

(C) 8
(D) 10

Comments
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Soap is prepared by boiling caustic soda with ___________...?

(A) Alcohol
(B) Kerosene oil

(C) Glycerine
(D) Fats

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The Percentage of Water used for Drinking in the world is...?

(A) 1%
(B) 10%

(C) 3%
(D) 5%

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Which of the following can be used to reduce friction between moving parts of machines...?

(A) Sand
(B) Grease

(C) Gears
(D) Screws

Comments
Latest MCQs

Insulin drug was discovered by____________...?

(A) Charles Herbert Best
(B) Prof John James Rickard Macleod

(C) Sir Frederick Grant Banting
(D) Leonard Thompson

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Which of the following was first to be discovered in the chromospheres of the sun...?

(A) Krypton
(B) Xenon

(C) Neon
(D) Helium

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Person with following blood group are considered to be universal recipient ...?

(A) A+
(B) B+

(C) AB+
(D) O+

Comments
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Which is the extension not suitable to an MS Word file...?

(A) .doc
(B) .rtf

(C) .docx
(D) .jpeg

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The direction of induced e.m.f. in a circuit is in accordance with conservation of _____...?

(A) Mass
(B) Charge

(C) Momentum
(D) Energy

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Approximate age of sun is _________...?

(A) 4.4 billion years
(B) 4.5 billion years

(C) 4.6 billion years
(D) 4.7 billion years

Comments
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What is the name of the Active asteroid discovered near Jupiter...?

(A) 2019 Jup1036
(B) 2019 JR10A

(C) 2019 LD2
(D) 2019 AA1

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The protein content in wheat is approximately_______________...?

(A) 6%
(B) 9%

(C) 12%
(D) 15%

Comments
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The vitamin Folate works together with __________ to produce new red blood cells...?

(A) Vitamin D
(B) Vitamin A

(C) Vitamin B-12
(D) None of the above

Comments
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EEG records the activity of__________...?

(A) Heart
(B) Lungs

(C) Brain
(D) Muscles

Comments
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The process of photosynthesis produces glucose and ______...?

(A) Carbon dioxide
(B) Oxygen

(C) Water
(D) Carbo monoxide

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According to Big Bang Theory, the Universe began about __________ billion years ago....?

(A) 10 – 20
(B) 20 – 30

(C) 30 – 40
(D) 40 – 50

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What are the products in the reaction: CH4 + 2O2 → CO2 + 2H2O...?

(A) Methane and Oxygen
(B) Carbon dioxide and Water

(C) Hydrogen and Oxygen
(D) Carbon and Water

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Upon completion in 2029, which of the following will become the most powerful telescope in the world...?

(A) James webb 5.0 telescope
(B) Giant Magellan space telescope

(C) The Vainu Bappu Telescope
(D) Hubble space telescope 2.0

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What Color does chlorophyll not absorb...?

(A) Red
(B) Blue

(C) Green
(D) Yellow

Comments
Latest MCQs

Radiations are harmful as it:___________...?

(A) Causes skin cancer
(B) Causes anemia

(C) Alters body tissue
(D) is unstable

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Which of the following ocean is the warmest ocean of the world...?

(A) Indian Ocean
(B) Arctic Ocean

(C) North Pacific Ocean
(D) None of the above

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Which among the following is responsible for producing color of human skin ___...?

(A) Insulin
(B) Vitamin K

(C) Melanin
(D) DNA

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Most major Tsunamis are produced by earthquakes with hypocenters less than:...?

(A) 30 km
(B) 40 km

(C) 50 km
(D) None of these

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Which is the hardest substance in the human body...?

(A) Tooth enamel
(B) Skull

(C) Knee cap
(D) Rib

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_________ is the atmospheric layer that absorbs most of the ultraviolet radiation that Earth receives from the Sun....?

(A) Troposphere
(B) Stratosphere

(C) Mesosphere
(D) Ionosphere

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Which cells are responsible for vision in bright light and coloured vision...?

(A) Rod Cells
(B) Cone Cells

(C) Bipolar Cells
(D) Ganglion Cells

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The diagnosis of anthrax in cattle may be made by__________...?

(A) Spore staining
(B) Quellung reaction.

(C) Mcyfaydean reaction
(D) None of the above

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Big Bang was an explosion that occurred ...?

(A) 10 Billion years ago
(B) 15 Billion years ago

(C) 20 Billion years ago
(D) 25 Billion years ago

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In a compound microscope, as compared to an objective, the eyepiece lens has a focal length _____...?

(A) Zero
(B) Small

(C) Negative
(D) Large

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The protein content in wheat is approximately...?

(A) 8%
(B) 6%

(C) 13%
(D) 17%

Comments
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Approximate age of milky-way is ________...?

(A) 16.5 billion years
(B) 15.5 billion years

(C) 13.5 billion years
(D) 14.5 billion years

Comments
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Electric current is measured by ____...?

(A) Ammeter
(B) Voltmeter

(C) Ohmmeter
(D) Multimeter

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A magnet that is hard to magnetize is called a(n)...?

(A) Permanent magnet
(B) Temporary Magnet

(C) Electromagnet
(D) None

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This in-between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star....?

(A) Alpha Stage
(B) Stellar Genesis

(C) Protostar
(D) Star of Adam

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When the angle of refraction is 90° and the refractive index for water is 1. 33, the critical angle is ______...?

(A) 48.8°
(B) 50.0°

(C) 49.1°
(D) 51.0°

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Which bird weighs less than a penny...?

(A) Goldcrest
(B) Weebill

(C) Hummingbird
(D) None of these

Comments
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Vitamins were discovered by__________...?

(A) Moesley
(B) Chadwick

(C) Frank Whittle
(D) Casimir Funk

Comments
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pH value of Blood or Red Blood Cells ...?

(A) 5
(B) 6

(C) 7.35-7.45
(D) 8-10

Comments
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2 moles of sodium chloride (NaCl) is equal to...?

(A) 123 grams
(B) 135 grams

(C) 158 grams
(D) 117 grams

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Organ of human body which is considered on the largest organ is ______...?

(A) Skin
(B) Digestive tract

(C) Liver
(D) Brain

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Defeciency of following vitamin decreases hemoglobin production ...?

(A) Biotin
(B) Thiamine

(C) Niacin
(D) Pyridoxine

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Red blood corpuscles are formed in the____________...?

(A) Liver
(B) Bone marrow

(C) Kidneys
(D) Heart

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Insufficient blood supply in human body is referred as___________...?

(A) Ischemia
(B) Hyperemia

(C) Hemostasia
(D) Hemorrhage

Comments
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Who first measured the velocity of light...?

(A) Einstein
(B) Newton

(C) Ole Roemer
(D) Galileo

Comments
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B12 deficiency can produce__________...?

(A) Insomnia
(B) Microcytic anemia

(C) Pernicious anemia
(D) None Of these

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According to Einsteins general theory of relativity the universe:________________...?

(A) Must be expanding
(B) Must be contracting

(C) Must be either expanding or contracting
(D) Must be neither expanding nor contracting

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Which of the following is the hardest substance...?

(A) Copper
(B) Diamond

(C) Iron
(D) Silicon

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Which of the following substances contain disease producing pathogens in the weakened form...?

(A) Vaccines
(B) Antibiotics

(C) Antibodies
(D) Plasmids

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What natural phenomena are measured by the Richter Scale...?

(A) Volcanoes
(B) Typhoons

(C) Earth quacks
(D) Tsunami

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Which one of the following is reducing agent...?

(A) H2S04
(B) HNO3

(C) Al
(D) I2

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Disease which transferred from animal to Human is_________...?

(A) Sporadic
(B) Epidemic

(C) Endemic
(D) Zoonosis

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Which type of wastes are classified as Biodegradable waste...?

(A) Waste from plastic industries
(B) Vegetables waste from farms

(C) Wasted water from homes
(D) None

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The type of seed production without fusion of male and female gametes is ______...?

(A) Parthenocarpy
(B) Apomixes

(C) Grafting
(D) Scion

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Which one of the following is not considered as a system software...?

(A) Assembler
(B) Compiler

(C) Interpreter
(D) Tally

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A bird that can fly backwards...?

(A) Bat
(B) Humming Bird

(C) Crimson Sun Bird
(D) Cardinal Bird

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Which of the following atmospheric layers help in radio communication...?

(A) Exosphere
(B) Ionosphere

(C) Troposphere
(D) Stratosphere

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When red litmus paper dipped basic, its colour change to ____...?

(A) Blue
(B) Pink

(C) Red
(D) Dark

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Choose the incorrect statement regarding meiosis...?

(A) Maintain chromosome number from generation to generation
(B) Reduces the diploid number of chromosomes to half

(C) Takes place in germ cell to produce gametes
(D) Production of new somatic cells from germ cells

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The correct age of solar system is approximately __________...?

(A) 4.3 Billion years
(B) 4.4 Billion years

(C) 4.5 Billion years
(D) None of these

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Which mineral builds red blood cells and it is also involved in the building of bones...?

(A) Magnesium
(B) Sodium

(C) Copper
(D) Iodine

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The S. I. unit of refractive index is _______...?

(A) meter
(B) cm

(C) watt
(D) no unit

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Amino acids are a product of the digestion of: ___________...?

(A) Carbohydrates
(B) Fats

(C) Proteins
(D) Vitamins

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Which of the following are non-biodegradable materials ______...?

(A) Dead Animals
(B) Plastics

(C) Bread
(D) None of these

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How does smoking cigarettes impact the red blood cells...?

(A) Decreases their ability to congeal
(B) Decreases their ability to carry oxygen

(C) Decreases their ability to reach their typical life duration
(D) Decreases their ability to cleanse wounds

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When a standard is set for a quantity then standard quantity is called ____...?

(A) Unit
(B) Measurement

(C) Quantity
(D) Dimension

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The main factor for determining a region’s climate is ___________...?

(A) Latitude
(B) Temperature

(C) Longitude
(D) None of them

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Heat capacity is the product of mass and _______...?

(A) Boiling point
(B) Freezing point

(C) Energy
(D) Specific heat of material

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Which animal has no vocal chords ...?

(A) Lion
(B) Zebra

(C) Dolphin
(D) Giraffes

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When our sun reaches the end of its red giant phase, it will turn into a___________...?

(A) Supernova
(B) White Dwarf

(C) Black Hole
(D) Neutron Star

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The primary function of the feathers in birds is to _________...?

(A) Provide insulation for preserving body heat
(B) Provide striking surface to the wings for flying

(C) Make the body surface waterproof
(D) impart coloration for species as well as sex recognition

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Trypsin is an enzyme which digests protein produced by_____________...?

(A) Liver
(B) Pancreas

(C) Stomach
(D) Small intestine

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Bond which involve 3 shared electron pairs is a ______...?

(A) Double covalent bond
(B) Single covalent bond

(C) Triple covalent bond
(D) None of above

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Spinal card controls all ___________...?

(A) Sexual activities
(B) Thinking activities

(C) Reflex activities
(D) none

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How many countries are signatories of NASA’s Artemis Accords as of May 2024...?

(A) 29
(B) 30

(C) 40
(D) None of These

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1 yard =___________...?

(A) 3 feet
(B) 6 feet

(C) 2.4 feet
(D) 12 feet

Comments
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Pressure is measured by_________...?

(A) barometer
(B) Voltmeter

(C) Lactometer
(D) Ammeter

Comments
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Seeds is produced by ___...?

(A) pollen tube
(B) thalamus

(C) ovules
(D) none of these

Comments
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Who discovered the Polio Vaccine...?

(A) Jonas Salk
(B) Jaber Ibn Hayan

(C) Selman Waksman
(D) None of these

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The type of reproduction which is necessary for evolution is _____...?

(A) Vegetative propagation
(B) Fragmentation

(C) Sexual reproduction
(D) Cloning

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2017 Nobel Prize Currently Awarded in Physics is for_________________...?

(A) Far Observation of Gravitational Waves
(B) Far Observation of Gravitational Weight

(C) First Observation of Gravitational Waves
(D) Far Objectivity of Gravitational Waves

Comments
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How many countries are signatories of NASA’s Artemis Accords as of May 2024...?

(A) 29
(B) 30

(C) 40
(D) None of These

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Most of the living things use O2 to produce ______...?

(A) ATP
(B) Alcohol

(C) Organic acid
(D) Ecological pyramid

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Which one of the following is biodegradable material...?

(A) Plastic
(B) Styrofoam

(C) Glass
(D) Fruits

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According to Quark theory, there are _________ elementary particles....?

(A) Three
(B) Six

(C) Nine
(D) Ten

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Which of the following are primary consumers that eat plants and plant products...?

(A) Lions and Wolves
(B) Sheep and Birds

(C) Hawks and Snakes
(D) Bears and Humans

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Which of the following vitamin is known as Pyridoxine...?

(A) Vitamin B-1
(B) Vitamin B-2

(C) Vitamin B-6
(D) Vitamin B-12

Comments
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Which pulls objects towards earth...?

(A) Gravity
(B) Friction

(C) Force
(D) Mass

Comments
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Who discovered the Solar system ...?

(A) Copernicus
(B) Newton

(C) Galileo
(D) Kepler

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Diesel engine was discovered by___________...?

(A) Paul Muller
(B) Faraday

(C) Waldeyer
(D) Rudolf Diesel

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Which diagnostic scan gives some of the highest radiation doses in diagnostic radiography ...?

(A) CT-Scan
(B) Ultrasound

(C) MRI
(D) X-Ray

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The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ...?

(A) red waves
(B) Infrared waves

(C) Ultrasonic
(D) super sonic

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A quantity that can be measured is called ____...?

(A) Physical Quantity
(B) Physical Constant

(C) Mathematical Quantity
(D) Standard Quantity

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Which of the following is helpful for removal of permanent hardness...?

(A) Na2CO3
(B) Ca(OH)2

(C) CaCO2
(D) Na2SO4

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According to many, including the Guinness Book of World Record,________is the world’s rarest mineral...?

(A) Painite
(B) Benitoite

(C) Jadeite
(D) Taaffeite

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What causes the stars in space to absorb and scatter starlight that resulting in a reduction in their brightness...?

(A) Planets and Moons
(B) Asteroids and Comets

(C) Black Holes and Neutron Stars
(D) Dust and Gas

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During which process of energy exchange does cold air displace warmer air...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None of these

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Who is considered the founder of meteorology...?

(A) Aristotle
(B) Plato

(C) Einstein
(D) Newton

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In the periodic table, rows is considered to be a ____...?

(A) Periods
(B) Groups

(C) Zigzag
(D) Diagonal

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Which of the following principleis used to produce ‘low-temperatures’ ...?

(A) Super conductivity
(B) Joule-Kelvin effect

(C) Thermo-electric effect
(D) Adiabatic demagneti-sation

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A thermos flask keeps things close to their original temperature by reducing ____...?

(A) Conduction
(B) Convection

(C) Radiation
(D) All of these

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The moon’s surface is constantly bombarded by...?

(A) Comets
(B) UV light

(C) Meteoroids
(D) All of the above

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In which stage of mitosis contraction of spindle fiber takes place resulting chromosomes to move towards the opposite poles of the cells...?

(A) Metaphase
(B) Anaphase

(C) Telophase
(D) Prophase

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Leprosy is the oldest disease in the world caused by which microorganism...?

(A) Virus
(B) Fungi

(C) Bacteria
(D) None

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Which one of the following stars are hotter than red and orange stars...?

(A) Green
(B) Dark

(C) Blue
(D) Yellow

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The _______ test is a color perception test for red-green color deficiencies....?

(A) Hemiplegia
(B) Ishihara

(C) Lalopathy
(D) None of the above

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Ozone layer thickness is measured in____________...?

(A) Metre
(B) Joule

(C) Pounds
(D) Dobson

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In 2013, Planck measured the age of the universe at ___________...?

(A) 13.82 billion years
(B) 4.53 billion years

(C) 4.6 billion years
(D) 4.53 billion years

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The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ...?

(A) Ionosphere
(B) Troposphere

(C) Mesosphere
(D) Stratosphere

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The only vitamin which can not be stored in human body...?

(A) Vitamin C
(B) vitamin D

(C) vitamin K
(D) None of these

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The term ‘white coal’ is sometimes referred to which of the following...?

(A) Geothermal energy
(B) Wind energy

(C) Hydroelectricity
(D) Biomass energy

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The speed of sound in air at sea level is approximately____________...?

(A) 300 meter per second
(B) 320 meter per second

(C) 340 meters per second
(D) 370 meter per second

Comments
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Approximate age of moon is _________...?

(A) 4.51 billion years
(B) 4.55 billion years

(C) 4.53 billion years
(D) 4.57 billion years

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When animals and plants are decayed in absence of air, there produces a gas called...?

(A) Natural Gas
(B) CNG

(C) LPG
(D) Biogas

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One of the following countries produces maximum energy from atomic reactors...?

(A) France
(B) USA

(C) UK
(D) none

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A substance that can donate a pair of electron to form coordinate covalent bond...?

(A) Lewis acid
(B) Lewis base

(C) Bronsted—Lowery acid
(D) Bronsted-Lowery base

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A type of cell division in which spore mother cell produce spores...?

(A) Amitosis
(B) Mitosis

(C) Meiosis
(D) Both A and B

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Who discovered the Gamma Rays...?

(A) Alfred Marshall
(B) Paul Villard

(C) Bohar
(D) Jabar bin Hayan

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The Saturn rings discovered by___________...?

(A) Newton
(B) Robert Brown

(C) Galileo
(D) None of these

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In periodic table elements are arranged according to ____...?

(A) Increasing atomic mass
(B) Decreasing atomic number

(C) Both A and B
(D) Increasing in atomic number

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Which Planet is Called Great Red Spot...?

(A) Neptune
(B) Mars

(C) Jupiter
(D) Mercury

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Our atmosphere consists of___________ Oxygen approximately...?

(A) 11% Oxygen approximately
(B) 21% Oxygen approximately

(C) 31% Oxygen approximately
(D) None of these

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Which takes place when sex cells are divided and gametes are formed during the process of reproduction in humans...?

(A) Mitosis
(B) Respiration

(C) Meiosis
(D) Photosynthesis

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Ozone layer prevents ______________ radiation from entering the atmosphere...?

(A) Infra-red
(B) Ultraviolet

(C) X-rays
(D) Gamma rays

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What is the main function of red blood cells in the human body...?

(A) Transportation of carbon monoxide
(B) Transportation of oxygen

(C) Transportation of carbon dioxide
(D) Transportation of methane

Comments
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Urine is produced in __________...?

(A) Kidneys
(B) Lungs

(C) Large intestine
(D) Liver

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The energy stored in a dam is___________...?

(A) Kinetic energy
(B) Electrical energy

(C) Potential energy
(D) None of these

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X-rays were discovered by __________...?

(A) Wilhelm Conrad Roentgen
(B) Thomson

(C) Ernest Rutherford
(D) Bacquerel

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Crude Oil is heated in the furnace up to _________...?

(A) 300°C
(B) 350°C

(C) 400°C
(D) 450°C

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The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg...?

(A) 4 days
(B) 12 days

(C) 16 days
(D) 8 days

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Which of the following layers make radio transmission possible...?

(A) Troposphere
(B) Ionosphere

(C) Mesosphere
(D) Stratosphere

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The red blood cells originate in the ____________...?

(A) Brain
(B) Muscles

(C) Ligaments
(D) Bone Marrow

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Radioactivity was discovered by __________...?

(A) Kelvin
(B) Thomson

(C) Rutherford
(D) Bacquerel

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Which of the following is used to control rods in nuclear fission...?

(A) Graphite
(B) Heavy Water

(C) Cadmium
(D) All of these

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Thermal energy can be transferred by ______...?

(A) Conduction
(B) Convection

(C) Radiation
(D) All of these

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Pollination of flowers by birds is called:_________...?

(A) Aeverology
(B) Ornithology

(C) Ornithophily
(D) Polligramy

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In plants, which part transports sugar produced in the leaves to all parts of plants...?

(A) Phloem
(B) Xylem

(C) Stomata
(D) Roots

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The poisonous gas which is the main byproduct of motor vehicle with irritating smell is...?

(A) Carbon Dioxide
(B) Carbon Monoxide

(C) Nitrogen Oxide
(D) Sulfur Dioxide

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Which salts are excessively dissolved to make temporary hard water...?

(A) CaSO4 and CaCl2
(B) KNO3 and KOH

(C) CaCO3 and Ca(OH)2
(D) Ca(HCO3)2 and Mg(HCO3)2

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A type of sample machine which is used to move heavy objects up or down over a vertical Height is known as...?

(A) Inclined plane
(B) Layer

(C) Wedge
(D) Fulcrum

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What do you call the positive electrode of an electric cell...?

(A) Diode
(B) Anode

(C) Grid
(D) Cathode

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The Velocity of light in a diamond is (whereas the refractive index of a diamond with respect to vacuum is 2.5)...?

(A) 5x10^8m/s
(B) 2.5x10^8m/s

(C) 1.2x10^10m/s
(D) 1.2x10^8m/s

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What is the element required for solar energy conversion ______...?

(A) Ultra pure carbon
(B) Silicon

(C) Beryllium
(D) Tantalum

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What is the world’s warmest Sea...?

(A) Red Sea
(B) Mediterranean Sea

(C) Caspian Sea
(D) Arabian Sea

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Fatal degenerative lung disease caused by particulate asbestos is referred to as _____________...?

(A) asbestosis
(B) asthma

(C) allergy
(D) sinusitis

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A balanced diet quality formula recommended by World Health Organization is ____________....?

(A) Carbohydrates 58% + Proteins 12% + Fats 30%
(B) Mineral+Proteins+Fats

(C) Fats+Proteins+Minerals
(D) None of these

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Which of the following ocean is the least polluted ocean of the world...?

(A) Arctic Ocean
(B) Indian Ocean

(C) South Pacific
(D) None of the above

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Which of the following is closest to a yard in length...?

(A) 0.01m
(B) 0.1m

(C) 1m
(D) 10m

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Male birds are ________ colorful than female birds....?

(A) Less
(B) More

(C) Equal
(D) None of these

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The lowest temperature ever recorded on the Earth is...?

(A) –89.2 °C
(B) –86.2 °C

(C) –83.2 °C
(D) –92.2 °C

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The theorem "In a right-angle triangle, the area of the square of the hypotenuse is equal to the sum of the areas of the squares of the other two sides", was discovered by:...?

(A) Archimedes
(B) Pythagoras

(C) Isaac Newton
(D) Socrates

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Vaccination can be administered ______...?

(A) After infection
(B) Before infection

(C) During infection
(D) All are Correct

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The name given to a sequence of instructions in a computer language, to get the desired results in...?

(A) Simulator
(B) Decision table

(C) Pseudo code
(D) Algorithm

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Ozone layer protects the Earth from __________ radiations from the Sun....?

(A) microwaves
(B) infrared

(C) X-rays
(D) ultraviolet

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Edward Genner discovered ‘vaccine’ in___________...?

(A) 1796
(B) 1978

(C) 1686
(D) 1933

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A pair of unlike parallel forces having different lines of force produce _______...?

(A) Equilibrium
(B) Torque

(C) A couple
(D) Unstable equilibrium

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According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in____________...?

(A) 1 hours
(B) 5 hours

(C) 10 hours
(D) 15 hours

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Which one of the following is known as graveyard of RBCs...?

(A) Liver
(B) Spleen

(C) Pancreas
(D) None of these

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The amount of energy required by the children of age between one to three years is___________...?

(A) 300 k Calories
(B) 600 k Calories

(C) 900 k Calories
(D) 1200 k Calories

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Velocity of sound in air does not change with the change of...?

(A) Temperature of air
(B) Pressure of air

(C) Moisture content in air
(D) Wind in the direction of propagation of sound

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The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer...?

(A) Chemotherapy
(B) Radiation

(C) Surgery
(D) Immunotherapy

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A reptile with a four-chambered heart is______________...?

(A) Snake
(B) Turtle

(C) Lizard
(D) Crocodile

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According to the theory of relativity, which of the following always remains constant ...?

(A) Length of an object
(B) Time

(C) Space
(D) Velocity of light

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An active asteroid is discovered near ________ Orbit for the first time in billion years....?

(A) Saturn
(B) Mars

(C) Neptune
(D) Jupiter

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What was the first planet to be discovered using a telescope...?

(A) Uranus
(B) Jupiter

(C) Venus
(D) Mercury

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In a normal human body, the total number of red blood cells is ________...?

(A) 15 trillion
(B) 20 trillion

(C) 25 trillion
(D) 30 trillion

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Latest MCQs

An iron nail/steel rod can be magnetize by...?

(A) By passing an electric current around it
(B) By heating it on a high flame

(C) By hammering
(D) By keeping it with an iron rod

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Latest MCQs

The tread mills training is prescribed for the injured athlete for the purpose of improving his/her_________...?

(A) Muscle strength
(B) Stability of the body

(C) Range of motion
(D) Muscle endurance

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Latest MCQs

Which type of climates of world has dry summer & wet winter ...?

(A) Western European type
(B) Mediterranean type

(C) Equatorial type
(D) Tundra type

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Latest MCQs

Which layer of the atmosphere reflects radio waves back to the earth’s surface...?

(A) Troposphere
(B) Stratosphere

(C) Ozone layer
(D) Ionosphere

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Latest MCQs

The term acid comes from the Latin word ____...?

(A) Acere
(B) Acidos

(C) Acare
(D) Acre

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Latest MCQs

In the periodic table, columns is considered to be a ____...?

(A) Periods
(B) Groups

(C) Zigzag
(D) Diagonal

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Latest MCQs

Rain drops fall from great height Which among the following statements is true regarding it...?

(A) they fall with that ultimate velocity, which are different for different droplets
(B) they fall with same ultimate velocity

(C) their velocity increases and they fall with different velocity on the earth
(D) their velocity increases and they fall with same velocity on the earth

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Latest MCQs

Flowering plants are further divided into how many main types...?

(A) Two
(B) Three

(C) Four
(D) Five

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