What is RDX ...? Mcqs

PPSC Past Papers

Latest MCQs

What is RDX ...?

(A) An instrument
(B) A gene

(C) An explosive
(D) Cyanohydrin

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Who discovered Uranus__________...?

(A) William Caxton
(B) John Davise

(C) Herschel
(D) Shellay

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

(A) Comets
(B) UV light

(C) Meteoroids
(D) All of the above

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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

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Red blood corpuscles are formed in the____________...?

(A) Liver
(B) Bone marrow

(C) Kidneys
(D) Heart

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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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EEG records the activity of__________...?

(A) Heart
(B) Lungs

(C) Brain
(D) Muscles

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Steam Turbine was introduce by ________ ...?

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

(C) Arkwright
(D) Alexander son

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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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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

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Examples of Monosaccharides are ___________....?

(A) Glucose
(B) Galactose

(C) Fructose
(D) All of these

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

(A) Red light
(B) Sound waves

(C) X-Rays
(D) Photon

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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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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 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

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

(A) Brain
(B) Muscles

(C) Ligaments
(D) Bone Marrow

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

(A) Methyl
(B) Ethyl

(C) n-propyl
(D) Isopropyl

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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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What is the world’s warmest Sea...?

(A) Red Sea
(B) Mediterranean Sea

(C) Caspian Sea
(D) Arabian Sea

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

(A) Heart
(B) Brain

(C) Kidneys
(D) Lungs

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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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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

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

(A) Cat
(B) Goat

(C) Peacock
(D) None

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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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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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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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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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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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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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Who discovered blood circulation...?

(A) Carl Linnaeus
(B) Francis Crik

(C) Robert. Brown
(D) William Harvey

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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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Which Planet is Called Great Red Spot...?

(A) Neptune
(B) Mars

(C) Jupiter
(D) Mercury

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

(A) Ischemia
(B) Hyperemia

(C) Hemostasia
(D) Hemorrhage

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

(A) Anatomy
(B) Behaviour

(C) Metabolism
(D) Excretion

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

(A) Pyruvic acid
(B) Acetic acid

(C) Citric acid
(D) Glyceric acid

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

(A) Two
(B) One

(C) Four
(D) Five

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Virus was discovered by...?

(A) Dmitry Ivanovsky
(B) Robert hook

(C) Antony
(D) Brown

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

(A) Troposphere
(B) Ionosphere

(C) Mesosphere
(D) Stratosphere

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Another name of RDX is ___________...?

(A) Cyanohydrin
(B) Dextran

(C) Cyclohexane
(D) Cyclonite

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

(A) Pollen
(B) Fruits

(C) Spores
(D) Leaves

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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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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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Thermal energy can be transferred by ______...?

(A) Conduction
(B) Convection

(C) Radiation
(D) All of these

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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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Defeciency of following vitamin decreases hemoglobin production ...?

(A) Biotin
(B) Thiamine

(C) Niacin
(D) Pyridoxine

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Sensory neurons carry message towards ...?

(A) Muscle
(B) Muscles and Glands

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

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

(A) Cadmium
(B) Thorium

(C) Radium
(D) Uranium

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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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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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Which of the following are Biodegradable ___________...?

(A) Cans
(B) Dead Plants

(C) Glass
(D) None of these

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

(A) Jupitar
(B) Neptune

(C) Earth
(D) Mars

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

(A) Red
(B) Blue

(C) Dark
(D) Green

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

(A) Bright Light
(B) Dim light

(C) Summary atmosphere
(D) Shiny atmosphere

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Which organs of plants help in reproduction...?

(A) Stems
(B) Flowers

(C) Roots
(D) Leaves

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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

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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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Pressure is measured by_________...?

(A) barometer
(B) Voltmeter

(C) Lactometer
(D) Ammeter

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

(A) Force
(B) Speed

(C) Momentum
(D) None

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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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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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Dead red blood corpuscles are stored in____________...?

(A) Liver
(B) Spleen

(C) Kidney
(D) Heart

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

(A) 70%
(B) 60%

(C) 90%
(D) 75%

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

(A) Periods
(B) Groups

(C) Zigzag
(D) Diagonal

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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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Surfactants reduce the ______ of water....?

(A) Viscosity
(B) Surface tension

(C) Boiling point
(D) Melting Point

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

(A) Periods
(B) Groups

(C) Zigzag
(D) Diagonal

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

(A) 1%
(B) 10%

(C) 3%
(D) 5%

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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

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

(A) Acere
(B) Acidos

(C) Acare
(D) Acre

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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

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

(A) Molecules
(B) Protons

(C) Elements
(D) Atoms

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

(A) Sepal
(B) Petal

(C) Anther
(D) Ovary

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

(A) Lysosome
(B) Ribosomes

(C) Mitochondria
(D) Golgi apparatus

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

(A) 1766
(B) 1896

(C) 1935
(D) 2001

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

(A) Physical Quantity
(B) Physical Constant

(C) Mathematical Quantity
(D) Standard Quantity

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

(A) Chlorine
(B) lithium

(C) Helium
(D) Neon

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

(A) Snake
(B) Turtle

(C) Lizard
(D) Crocodile

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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

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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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What Color does chlorophyll not absorb...?

(A) Red
(B) Blue

(C) Green
(D) Yellow

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

(A) Pink
(B) Blue

(C) Yellow
(D) Red

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

(A) Sporadic
(B) Epidemic

(C) Endemic
(D) Zoonosis

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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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Ozone layer thickness is measured in____________...?

(A) Metre
(B) Joule

(C) Pounds
(D) Dobson

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The first and largest asteroid discovered was__________...?

(A) Pallas
(B) Juno

(C) Ceres
(D) Trojan

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Who first measured the velocity of light...?

(A) Einstein
(B) Newton

(C) Ole Roemer
(D) Galileo

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

(A) Erythrocytes
(B) Leukocytes

(C) Thrombocytes
(D) None of these

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

(A) see the answer
(B) empty

(C) empty
(D) empty

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

(A) Homeostasis
(B) Internal environment

(C) Internal metabolism
(D) Feedback mechanism

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

(A) 60
(B) 120

(C) 180
(D) 240

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

(A) Fructose
(B) Maltose

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

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

(A) Aeverology
(B) Ornithology

(C) Ornithophily
(D) Polligramy

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

(A) Joule
(B) Calories

(C) Tesla
(D) Proteins

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Radon is___________...?

(A) germon radio
(B) radio active gas

(C) artificial fibre
(D) an explosive

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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

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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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Red + Green + Blue = ________...?

(A) Maroon
(B) White

(C) Black
(D) None of the above

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

(A) Reasoning
(B) Logic

(C) Knowledge
(D) Life

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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 constituents of pollutant exhaust in hazardous to man...?

(A) Carbon monoxide
(B) Carbon dioxide

(C) Lease particles
(D) Carbon particles

Comments
Latest MCQs

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

(A) Mass
(B) Charge

(C) Momentum
(D) Energy

Comments
Latest MCQs

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

Comments
Latest MCQs

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

Comments
Latest MCQs

Which is the useful product for plants...?

(A) Oxygen
(B) Water

(C) Glucose
(D) Carbon Dioxide

Comments
Latest MCQs

Copper is used in the production of___________...?

(A) Brick kilns
(B) Children toys

(C) Kitchen utilities
(D) Electric wires

Comments
Latest MCQs

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

(A) Hard soap
(B) Soft soap

(C) Moderate soap
(D) All of these

Comments
Latest MCQs

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

Comments
Latest MCQs

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

(A) Frequency modulation
(B) Frequency meter

(C) Fiber modulation
(D) Frequency Magnet

Comments
Latest MCQs

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

(A) Volcanoes
(B) Typhoons

(C) Earth quacks
(D) Tsunami

Comments
Latest MCQs

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

(A) Fusion reaction
(B) Fission reaction

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

Comments
Latest MCQs

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

(A) Hydrogen
(B) Neon

(C) Carbondioxide
(D) Argon

Comments
Latest MCQs

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

(A) Exosphere
(B) Ionosphere

(C) Troposphere
(D) Stratosphere

Comments
Latest MCQs

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

Comments
Latest MCQs

Vitamins were discovered by__________...?

(A) Moesley
(B) Chadwick

(C) Frank Whittle
(D) Casimir Funk

Comments
Latest MCQs

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

(A) Plutonium
(B) Uranium

(C) Radium
(D) Thorium

Comments
Latest MCQs

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

(A) Liver
(B) Spleen

(C) Pancreas
(D) None of these

Comments
Latest MCQs

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

(A) Carbohydrates
(B) Fats

(C) Proteins
(D) Vitamins

Comments
Latest MCQs

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

(A) Thoracic
(B) Pelvic

(C) Lumbar
(D) none

Comments
Latest MCQs

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

Comments
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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

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

(A) Carbon dioxide
(B) Sugar

(C) Bacteria
(D) Oxygen

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
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

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

Comments
Latest MCQs

Blood sugar is measured in:...?

(A) mmHg
(B) mg/deciliter

(C) PPM
(D) Gram/Liter

Comments
Latest MCQs

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

(A) Ultra pure carbon
(B) Silicon

(C) Beryllium
(D) Tantalum

Comments
Latest MCQs

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

(A) 550
(B) 2500

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

Comments
Latest MCQs

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

(A) X-Rays
(B) Gamma

(C) Microwave
(D) Electromagnetic

Comments
Latest MCQs

Which pulls objects towards earth...?

(A) Gravity
(B) Friction

(C) Force
(D) Mass

Comments
Latest MCQs

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

Comments
Latest MCQs

Radiations are harmful as it:___________...?

(A) Causes skin cancer
(B) Causes anemia

(C) Alters body tissue
(D) is unstable

Comments
Latest MCQs

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

(A) Magnesium
(B) Sodium

(C) Copper
(D) Iodine

Comments
Latest MCQs

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

(A) Iron
(B) Zinc

(C) Selenium
(D) Magnesium

Comments
Latest MCQs

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

(A) 5
(B) 6

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

Comments
Latest MCQs

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

Comments
Latest MCQs

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

(A) 123 grams
(B) 135 grams

(C) 158 grams
(D) 117 grams

Comments
Latest MCQs

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

(A) Developmental
(B) Neurological

(C) Hormonic
(D) Genetic

Comments
Latest MCQs

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

(A) Unit
(B) Measurement

(C) Quantity
(D) Dimension

Comments
Latest MCQs

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

Comments
Latest MCQs

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

(A) Saturn
(B) Mars

(C) Neptune
(D) Jupiter

Comments
Latest MCQs

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)

Comments
Latest MCQs

Which is not a biodegradable waste...?

(A) Vegetable peeling
(B) Plastic bottles

(C) Paper
(D) None

Comments
Latest MCQs

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

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

(A) Caffeine
(B) Nicotine

(C) Piperine
(D) Saccharin

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

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

(A) Waves
(B) Particles

(C) Energy packets
(D) Electromagnetic

Comments
Latest MCQs

Red color of tomato is due to___________...?

(A) Anthocyanin
(B) Xanthophyll’s

(C) Lycopene
(D) None of these

Comments
Latest MCQs

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

(A) isoniazir
(B) iron capsule

(C) Rifampicin
(D) Omeprazole

Comments
Latest MCQs

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

(A) Phloem
(B) Xylem

(C) Stomata
(D) Roots

Comments
Latest MCQs

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

Comments
Latest MCQs

Which animal has no vocal chords ...?

(A) Lion
(B) Zebra

(C) Dolphin
(D) Giraffes

Comments
Latest MCQs

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

Comments
Latest MCQs

X-rays were discovered by __________...?

(A) Wilhelm Conrad Roentgen
(B) Thomson

(C) Ernest Rutherford
(D) Bacquerel

Comments
Latest MCQs

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
Latest MCQs

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

Comments
Latest MCQs

Electric current is measured by ____...?

(A) Ammeter
(B) Voltmeter

(C) Ohmmeter
(D) Multimeter

Comments
Latest MCQs

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

(A) One
(B) Two

(C) Three
(D) Four

Comments
Latest MCQs

Which bird weighs less than a penny...?

(A) Goldcrest
(B) Weebill

(C) Hummingbird
(D) None of these

Comments
Latest MCQs

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

(A) Ecology
(B) Biogeography

(C) Zoogeography
(D) Biotechnology

Comments
Latest MCQs

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

Comments
Latest MCQs

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

(A) Nervous
(B) Chemical

(C) Mechanical
(D) All of these

Comments
Latest MCQs

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

(A) Uranus
(B) Jupiter

(C) Venus
(D) Mercury

Comments
Latest MCQs

Steradian is the unit of_______________...?

(A) Solid angle
(B) Liquid angle

(C) Gas angle
(D) Plain angle

Comments
Latest MCQs

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

Comments
Latest MCQs

Kidney disease happens due to overdose of...?

(A) Vitamin A
(B) Vitamin B

(C) Vitamin C
(D) Proteins

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

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

(A) Nuclear fusion
(B) nuclear fission

(C) Burning hydrogen
(D) None of these

Comments
Latest MCQs

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

(A) Hemiplegia
(B) Ishihara

(C) Lalopathy
(D) None of the above

Comments
Latest MCQs

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

Comments
Latest MCQs

The Blood Grouping Was Discovered by__________ ...?

(A) Robert Oppenheimer
(B) Karl Landsteiner

(C) Dr Hollerith
(D) None of them

Comments
Latest MCQs

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

(A) Two
(B) One

(C) Four
(D) Three

Comments
Latest MCQs

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

Comments
Latest MCQs

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

(A) 6%
(B) 7%

(C) 8%
(D) 9%

Comments
Latest MCQs

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

Comments
Latest MCQs

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

(A) Infra-red
(B) Ultraviolet

(C) X-rays
(D) Gamma rays

Comments
Latest MCQs

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

(A) Viruses
(B) Pathogens

(C) Coliform Bacteria
(D) All of these

Comments
Latest MCQs

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

(A) Chromosome
(B) Gene

(C) Cell
(D) None of these

Comments
Latest MCQs

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

Comments
Latest MCQs

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

(A) Mint
(B) Ginger

(C) Onion
(D) Bryophyllum

Comments
Latest MCQs

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

Comments
Latest MCQs

In animal meiosis produces _____...?

(A) Gametes
(B) Zygotes

(C) Embryos
(D) Somatic cells

Comments
Latest MCQs

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

(A) Alcohol
(B) Kerosene oil

(C) Glycerine
(D) Fats

Comments
Latest MCQs

Vector of Kala-azar disease is___________...?

(A) Sandfly
(B) Dragonfly

(C) Mosquito
(D) Housefly

Comments
Latest MCQs

B12 deficiency can produce__________...?

(A) Insomnia
(B) Microcytic anemia

(C) Pernicious anemia
(D) None Of these

Comments
Latest MCQs

Vaccination can be administered ______...?

(A) After infection
(B) Before infection

(C) During infection
(D) All are Correct

Comments
Latest MCQs

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

(A) Animals
(B) Water

(C) Sunlight
(D) Insects

Comments
Latest MCQs

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

(A) Biology
(B) Biomechanics

(C) Bioenergetics
(D) Aerodynamics

Comments
Latest MCQs

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

(A) Spore staining
(B) Quellung reaction.

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

Comments
Latest MCQs

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

Comments
Latest MCQs

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
Latest MCQs

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

(A) Dead Animals
(B) Plastics

(C) Bread
(D) None of these

Comments
Latest MCQs

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

(A) Three
(B) Six

(C) Nine
(D) Ten

Comments
Latest MCQs

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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Latest MCQs

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

(A) Herbivores
(B) Carnivores

(C) Omnivores
(D) None

Comments
Latest MCQs

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

Comments
Latest MCQs

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

(A) Oxidizing agent
(B) Reducing agent

(C) Base
(D) Acid

Comments
Latest MCQs

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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Latest MCQs

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°

Comments
Latest MCQs

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

(A) France
(B) USA

(C) UK
(D) none

Comments
Latest MCQs

Increased quantity and quality of fish production...?

(A) Fisheries
(B) Farming

(C) Animal husbandry
(D) Forestry

Comments
Latest MCQs

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

(A) Blue
(B) Yellow

(C) Red
(D) White

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Latest MCQs

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

Comments
Latest MCQs

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

(A) Diode
(B) Anode

(C) Grid
(D) Cathode

Comments
Latest MCQs

Air contains volume of carbon dioxide approximately...?

(A) 3%
(B) 33%

(C) 0.3%
(D) 0.03%

Comments
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

Comments
Latest MCQs

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

(A) H2O2
(B) HO

(C) OH
(D) O2H2

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Latest MCQs

Activity of Brain is recorded by ____________...?

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

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

Comments
Latest MCQs

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

(A) Oxygen
(B) Hydrogen

(C) Carbon dioxide
(D) Nitrogen

Comments
Latest MCQs

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

Comments
Latest MCQs

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

(A) 3 lead
(B) 4 lead

(C) 7 lead
(D) 2 lead

Comments
Latest MCQs

The Saturn rings discovered by___________...?

(A) Newton
(B) Robert Brown

(C) Galileo
(D) None of these

Comments
Latest MCQs

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

(A) Krypton
(B) Xenon

(C) Neon
(D) Helium

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

Comments
Latest MCQs

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

(A) Petroleum coke
(B) Ammonia

(C) Fuel oil
(D) Paraffin wax

Comments
Latest MCQs

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

(A) Sodium
(B) Barium

(C) Mercury
(D) Potassium

Comments
Latest MCQs

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

(A) 80°C
(B) 90°C

(C) 100°C
(D) 10°C

Comments
Latest MCQs

Edward Genner discovered ‘vaccine’ in___________...?

(A) 1796
(B) 1978

(C) 1686
(D) 1933

Comments
Latest MCQs

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

(A) 13
(B) 12

(C) 14
(D) 16

Comments
Latest MCQs

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

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

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

Comments
Latest MCQs

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

(A) Biology
(B) Mathematics

(C) Physics
(D) Chemistry

Comments
Latest MCQs

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

(A) 2527 Kj
(B) 2627 Kj

(C) 2727 Kj
(D) 2827 Kj

Comments
Latest MCQs

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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Latest MCQs

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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Latest MCQs

A bird that can fly backwards...?

(A) Bat
(B) Humming Bird

(C) Crimson Sun Bird
(D) Cardinal Bird

Comments
Latest MCQs

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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Latest MCQs

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

(A) Zero
(B) Small

(C) Negative
(D) Large

Comments
Latest MCQs

What is the smallest unit of heredity...?

(A) Chromosomes
(B) Gene

(C) Nucleotides
(D) none

Comments
Latest MCQs

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

(A) Embryo
(B) Endosperm

(C) Seed coat
(D) Cotyledon

Comments
Latest MCQs

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

(A) Plastic
(B) Styrofoam

(C) Glass
(D) Fruits

Comments
Latest MCQs

Spinal card controls all ___________...?

(A) Sexual activities
(B) Thinking activities

(C) Reflex activities
(D) none

Comments
Latest MCQs

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

(A) Glucose
(B) Carbon Dioxide

(C) Chlorophyll
(D) Water

Comments
Latest MCQs

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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Latest MCQs

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

Comments
Latest MCQs

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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Latest MCQs

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

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

(A) Troposphere
(B) Stratosphere

(C) Ozone layer
(D) Ionosphere

Comments
Latest MCQs

An ordinary mobile phone communicate by using___________...?

(A) Sound waves
(B) Infrared waves

(C) UV waves
(D) Radio waves

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

(A) 10
(B) 11

(C) 12
(D) 13

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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

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Radioactivity was discovered by __________...?

(A) Kelvin
(B) Thomson

(C) Rutherford
(D) Bacquerel

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

(A) Blue
(B) Pink

(C) Red
(D) Dark

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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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Seeds is produced by ___...?

(A) pollen tube
(B) thalamus

(C) ovules
(D) none of these

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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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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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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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Keeping of Birds Called___________...?

(A) Apiculture
(B) Aviculture

(C) Viniculture
(D) Viticulture

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Who among the following discovered the sunspots...?

(A) Johannes Kepler
(B) Einstein

(C) Copernicus
(D) Galileo

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

(A) Mars
(B) Venus

(C) Jupiter
(D) Saturn

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

(A) Loons
(B) Grebes

(C) Hummingbirds
(D) None of these

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

(A) Pores
(B) Spores

(C) Gametes
(D) Pollen grains

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

(A) Carbon dioxide
(B) Oxygen

(C) Water
(D) Carbo monoxide

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

(A) Assembler
(B) Compiler

(C) Interpreter
(D) Tally

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

(A) Two
(B) Three

(C) Four
(D) Five

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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

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

(A) Whooping cough
(B) Tuberculosis

(C) Virus fever
(D) Smallpox

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

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

(C) IsasacNewton
(D) Pythagoras

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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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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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Animal without red blood cells is_________ ...?

(A) Frog
(B) Earthworm

(C) Snake
(D) Crocodile

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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

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

(A) Beaufort scale
(B) Richter scale

(C) Mohs scale
(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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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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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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Red blood cells are produced in_________...?

(A) Liver
(B) Heart

(C) Spleen
(D) Bone-marrow

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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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Water at 4 degrees centigrade has...?

(A) Minimum density
(B) Maximum density

(C) No density
(D) None of these

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

(A) Vegetative propagation
(B) Fragmentation

(C) Sexual reproduction
(D) Cloning

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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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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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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

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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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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

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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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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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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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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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Sodium carbonate is produced by____________...?

(A) haber process
(B) Amonia solvay process

(C) decons process
(D) lead chamber process

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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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Who is considered the founder of meteorology...?

(A) Aristotle
(B) Plato

(C) Einstein
(D) Newton

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

(A) microwaves
(B) infrared

(C) X-rays
(D) ultraviolet

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

(A) Jupiter
(B) Saturn

(C) Mars
(D) MercurY

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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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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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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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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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_________ 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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Who discovered the Solar system ...?

(A) Copernicus
(B) Newton

(C) Galileo
(D) Kepler

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The protein content in wheat is approximately_______________...?

(A) 6%
(B) 9%

(C) 12%
(D) 15%

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

(A) meter
(B) cm

(C) watt
(D) no unit

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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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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

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

(A) Stomach
(B) Pancreas

(C) Liver
(D) Gallbladder

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Farad is the unit of___________...?

(A) inductance
(B) voltage

(C) capacitance
(D) None of these

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

(A) 9.65 C
(B) 9650 C

(C) 96500 C
(D) 965 C

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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

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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

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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 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 of the following is the hardest substance...?

(A) Copper
(B) Diamond

(C) Iron
(D) Silicon

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

(A) FSH
(B) prolactin

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

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

(A) Aqua regia
(B) HF

(C) HCL
(D) HBr

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Heat is measured in...?

(A) Joule
(B) Mole

(C) Density
(D) None

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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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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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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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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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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

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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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Who discovered the Polio Vaccine...?

(A) Jonas Salk
(B) Jaber Ibn Hayan

(C) Selman Waksman
(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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Smallpox was eradicated in 1970s. What was the ‘great pox’ which remains active...?

(A) Bubonic plague
(B) Syphilis

(C) Measles
(D) None

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The protein content in wheat is approximately...?

(A) 8%
(B) 6%

(C) 13%
(D) 17%

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

(A) H2S04
(B) HNO3

(C) Al
(D) I2

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

(A) Sand
(B) Grease

(C) Gears
(D) Screws

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

(A) Galileo
(B) Copernicus

(C) Ptolemy
(D) Eratosthenes

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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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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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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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Urine is produced in __________...?

(A) Kidneys
(B) Lungs

(C) Large intestine
(D) Liver

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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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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 gas does a Photocopier machine produce...?

(A) Ozone
(B) carbon dioxide

(C) Sulfur dioxide
(D) None of these

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

(A) Genetic
(B) Brain

(C) Eye
(D) Body Weight Loss

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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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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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1 yard =___________...?

(A) 3 feet
(B) 6 feet

(C) 2.4 feet
(D) 12 feet

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

(A) asbestosis
(B) asthma

(C) allergy
(D) sinusitis

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

(A) Acidification
(B) Erosion

(C) Salinity
(D) Eutrophication

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

(A) Magnified
(B) Enlarged

(C) Inverted
(D) Illuminated

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

(A) A+
(B) B+

(C) AB+
(D) O+

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Fundamental molecule produced during photosynthesis is ______...?

(A) Glucose
(B) Amino acid

(C) Fatty acid
(D) Nucleotide

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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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Diesel engine was discovered by___________...?

(A) Paul Muller
(B) Faraday

(C) Waldeyer
(D) Rudolf Diesel

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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)

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

(A) Sigmund Frend
(B) Galileo

(C) Aristotle
(D) Fabrica

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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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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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The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

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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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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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In Fishes excretory Product is__________...?

(A) Nitrogen
(B) Ammonia

(C) Uria
(D) Carbon dioxide

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

(A) Conifer
(B) Fern

(C) Rafflesia
(D) Horsetail

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