Heat is a form of...? Mcqs

PPSC Past Papers

Latest MCQs

Heat is a form of...?

(A) Matter
(B) Work

(C) Radiation
(D) Energy

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In which mode heat transfer in liquids and gases...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None

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What is the range, in hertz, of the normal human hearing...?

(A) 10 Hz to 10 kHz
(B) 20 Hz to 20 kHz

(C) 2000Hz
(D) 40 Hz to 40 kHz

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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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Matter changes state from solid to liquid and from liquid to gases, when it...?

(A) Loses energy
(B) Gains energy

(C) Remains same energy
(D) Has constant temperature

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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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The circuit that provides only one path for the current is called...?

(A) Series Circuit
(B) Parallel Circuit

(C) Short Circuit
(D) Open Circuit

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Which of the following are lightest form of matter...?

(A) Solid
(B) Liquid

(C) Gases
(D) Plasma

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As comets get close to the sun, they start to “melt” and release gas and dust. This gas and dust forms what...?

(A) “coma” around the comet’s nucleus and a long tail that points away from the sun
(B) “coma” that points away from the sun and a long tail around the comet’s nucleus

(C) Only “coma” around the comet’s nucleus
(D) Only a long tail that points away from the sun

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The evaporation of water from aerial parts of the plant especially through leaves is called...?

(A) Translocation
(B) Photosynthesis

(C) Respiration
(D) Transpiration

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In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ...?

(A) Chemical Reaction
(B) Nuclear reaction

(C) Fission nuclear reaction
(D) Fusion nuclear reaction

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Animals in grassland environment have broad feet for fast...?

(A) Escape
(B) Swimming

(C) Climbing
(D) None

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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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The part of brain involved in balance and precision in movements is: __________...?

(A) Cerebrum
(B) Cerebellum

(C) Thalamus
(D) Medulla oblongata

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Which of the following type of mirrors can form an image larger than the object...?

(A) Convex
(B) Plane

(C) Concave
(D) None of these

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The best conductor of heat among liquid is___________...?

(A) Water
(B) Mercury

(C) Ether
(D) Alcohol

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The SI base unit for mass is_____________...?

(A) Gram
(B) Pound

(C) Kilogram
(D) Ounce

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Periscope is another optical instrument that works on the principle of total ____...?

(A) Refraction
(B) Diffraction

(C) External Reflection
(D) Internal Reflection

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Techniques for manipulation of gene to achieve desirable characters are called...?

(A) Biotechnology
(B) Biochemistry

(C) Genomics
(D) Gene Therapy

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The two elements that are frequently used for making transistors are :...?

(A) Boron and aluminium
(B) Silicon and Germanium

(C) Iridium and Tungston
(D) None of these

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Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density...?

(A) Graham’s Law
(B) Gay-Lussac’s law

(C) Boyle’s law
(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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A single compound breaks down to form two or more simpler substances are called...?

(A) Combination Reaction
(B) Decomposition Reaction

(C) Neutralization Reaction
(D) Addition Reaction

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The audible range of normal whale ear is _____...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

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In constructive reaction _____ molecules are formed....?

(A) Small
(B) Medium

(C) Equal
(D) Large

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In a liquid, some energetic molecules break free from the surface even when the liquid is too cold for bubbles to form. What is the name of this process...?

(A) Boiling
(B) Condensation

(C) Convection
(D) Evaporation

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The material that comes out of a volcano at the time of eruption is:...?

(A) Solid, liquid, gaseous
(B) Solid and liquid

(C) Solid and gaseous
(D) None of these

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The part of brain involved in reasoning is ______...?

(A) Fore brain
(B) Cerebrum

(C) Cortex
(D) Frontal lobe

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Atom which loses two electrons from its outer shell to form ion is called...?

(A) Oxygen
(B) Potassium

(C) Magnesium
(D) Carbon

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Sperms fuse with eggs to form ______...?

(A) Embryo
(B) Fetus

(C) Zygote
(D) Gamete

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A truck has tyres of area 3 m^2. It puts a pressure of 4000 N/m^2 on the road. What is the weight of the truck (Hint: Weight =Force)...?

(A) 8000 N
(B) 12000 N

(C) 16000 N
(D) 20000 N

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Chemical formula shows ____...?

(A) Number of atoms of each elements
(B) Number of atoms in a compound

(C) Number of atoms in a molecule
(D) None

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The atomic mass of an element expressed in gram is ______...?

(A) Gram molecular mass
(B) Gram atomic mass

(C) Gram formula mass
(D) Mole

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A crescograph is a device for measuring the growth in __________...?

(A) Micro Organism
(B) Plants

(C) Human
(D) Pollution

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What is the name of instrument used for measuring distance traveled by wheeled vehicle ...?

(A) Odometer
(B) Optometer

(C) Barometer
(D) Metrometer

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The audible range of normal bat ear is ______...?

(A) 20 Hz to 120 kHz
(B) 20 Hz to 20 kHz

(C) 20 kHz to 110 kHz
(D) 20 Hz to 50 KHz

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If the current in a wire which is placed perpendicular to a magnetic field increases, the force on the wire ______...?

(A) Increases
(B) Decreases

(C) Remains the same
(D) Will be zero

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The power of combining of an atom with other atoms to form molecules or compounds is called...?

(A) Atomic Mass
(B) Valency

(C) Electronegativity
(D) Ionization Energy

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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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Atmospheric pressure is the force (per unit-area) perpendicular to a unit-area of planetary surface, as determined by _________....?

(A) Mass of vertical column of atmospheric gases
(B) Mass of horizontal column of atmospheric gases

(C) Weight of vertical column of atmospheric gases
(D) Mass of vertical and weight of horizontal of atmospheric gases

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Which pollutant from motor car exhaust causes mental disease _____...?

(A) Carbon dioxide
(B) Lead

(C) Sulpher Dioxide
(D) Mercury

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Ice mass that covers more than fifty-thousand square kilometers of land area is classified as____________...?

(A) ice sheet
(B) ice field

(C) glacier erosions
(D) ice cap

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Which mineral is the present in liver, dark green vegetable, red meat, flour, egg yolk, dried fruit, nuts, dried beans, peas, raisins, poultry, fish etc...?

(A) Iron
(B) Copper

(C) Magnesium
(D) Sodium

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Sound is a form of _____...?

(A) Electrical energy
(B) Thermal energy

(C) Mechanical energy
(D) Chemical energy

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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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A camera uses a __________ to form an image....?

(A) convex lens
(B) concave lens

(C) condenser lens
(D) none of these

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The process of vaporizing a solid substance and condensing the vapours to form the solid directly is known as...?

(A) Distillation
(B) Sublimation

(C) Filtration
(D) Crystallization

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A canyon is a large form of ________...?

(A) Dry valley
(B) Gorge

(C) Pediment
(D) Badiand

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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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Substance whose atoms can be split are known as __________ materials....?

(A) Fusionable
(B) Fissionable

(C) Combustible
(D) None of these

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A satellite moving round the earth with a uniform speed has____________...?

(A) An accelerated motion
(B) No acceleration at all

(C) Uniform acceleration
(D) Uneven acceleration

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Cancer that does not form a tumor....?

(A) metastatic breast cancer
(B) leukemia

(C) lung cancer
(D) bladder cancer

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What is the chemical formula for Sodium carbonate _______ ...?

(A) Na3CO2
(B) CNa2O3

(C) Na2CO3
(D) Na3CO3

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The Moon is illuminated because it ________ the light from the Sun....?

(A) Absorbs
(B) Reflects

(C) Deflects
(D) Refracts

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An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of an atom is...?

(A) 11
(B) 12

(C) 22
(D) 23

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Which of the following is the form of marble...?

(A) Onyx
(B) Carrara

(C) Calacatta
(D) All 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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A man pulls a crate of mass 25 kg across the leveled ground with a horizontal force of 60 N. A constant force of friction of 20 N acts on the sledge. What is the acceleration of the sledge...?

(A) 0.63 ms^-2
(B) 1.6 ms^-2

(C) 2.4 ms^-2
(D) 3.2 ms^-2

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The atoms of same element which have the same atomic number but different mass numbers are known as...?

(A) Isotopes
(B) Isoelectronic

(C) Isomers
(D) Isobars

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The general formula for alkanes is _____...?

(A) CnH2n
(B) CnH2n+1

(C) CnH2n+2
(D) CnH2n-1

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The heat from Sun reaches to earth in form of waves called _____...?

(A) Conduction
(B) Radiation

(C) Convection
(D) None

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The outermost layer of the sun is called...?

(A) Fotofera
(B) Corona

(C) Core
(D) Cromosfera

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The human eye forms the image of an object at its________...?

(A) Cornea
(B) Pupil

(C) Iris
(D) Retina

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Why does cytosine not form a bond with adenine...?

(A) Cytosine is unable to form hydrogen bonds with adenine.
(B) Adenine and cytosine have incompatible hydrogen bond donors and acceptors.

(C) Cytosine only pairs with thymine due to their complementary structures.
(D) Adenine is a pyrimidine and cannot bond with cytosine.

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Which of these is NOT a form of energy...?

(A) Heat
(B) Light

(C) Temperature
(D) Electricity

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Which of the following is the formula of glucose...?

(A) C6H12O6
(B) C6H6

(C) C6H2O6
(D) None

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______________ is used for measuring velocity...?

(A) Speedometer
(B) Anemometer

(C) Odometer
(D) Hygrometer

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Examples of _______ properties involved melting, transition to a gas, change of durability and changes to crystal form....?

(A) Physical
(B) Chemical

(C) Nuclear
(D) Biological

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An animal that migrates great distances would obtain the greatest benefit from storing its energy as ____...?

(A) Fats
(B) Carbohydrates

(C) Protein
(D) Minerals

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Among the planets of the Solar system the position of the Earth from the Sun is:_________...?

(A) Second
(B) Third

(C) Fourth
(D) Sixth

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Chemical formula for Water is _______ ...?

(A) NaAlO2
(B) H2O

(C) Al2O3
(D) CaSiO3

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In an oscillating pendulum, the bob accelerates from its extreme position due to ______...?

(A) Inertia
(B) Tension in the string

(C) Wind
(D) Gravitational force

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Change of state form liquid to solid is _________...?

(A) Boiling
(B) Freezing

(C) Evaporation
(D) None of these

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The protons and neutrons are found in the center of the atom, which is called the _________of the atom...?

(A) Nucleus
(B) Headquarters

(C) Hub
(D) None of These

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For proper formation of teeth, __________ is essential...?

(A) iodine
(B) copper

(C) fluorine
(D) iron

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The small segment of DNA which has information to code one protein is called ______...?

(A) Nucleotide
(B) Polynucleotide

(C) Gene
(D) Exon

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In which object, form faint shadows...?

(A) Transparent
(B) Translucent

(C) Opaque
(D) None

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The rate of flow of charge at certain point is called ____...?

(A) Voltage
(B) Electric Current

(C) Resistance
(D) Power

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Equation stating that two ratios are equal _____...?

(A) Ratio
(B) Proportion

(C) Guess
(D) Senses

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What prevents the earth’s atmosphere from drifting away into space...?

(A) Gravity
(B) Ozone layer

(C) Troposphere
(D) Ecosystem

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The automatic process of altering focus to get sharper image of near object is ______...?

(A) Vision
(B) Accommodation

(C) Focus
(D) All of these

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What Color does chlorophyll not absorb...?

(A) Red
(B) Blue

(C) Green
(D) Yellow

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Which among the following is the correct sequence of the various layers of the Atmosphere from the Earth’s surface...?

(A) Ionosphere, Mesosphere, Stratosphere, Troposphere
(B) Mesosphere, Stratosphere, Ionosphere, Troposphere

(C) Troposphere, Stratosphere, Mesosphere, Ionosphere
(D) Troposphere, Ionosphere, Stratosphere, Mesosphere

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Which is the purest form of water...?

(A) Rain water
(B) Heavy water

(C) Tap water
(D) None of these

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What is the molecular formula for Nitric acid ________ ...?

(A) HNO2
(B) HNO3

(C) HN2O2
(D) H2NO4

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A (an) ________ is the smallest possible particle of an element that can combine to form new compounds....?

(A) Molecule
(B) Atom

(C) Compound
(D) Element

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The microtubules arranged in a very particular pattern to form centriole are _____ in number....?

(A) 26
(B) 27

(C) 23
(D) 25

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The audible range of normal elephant ear is ______...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

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The ‘stone’ formed in human kidney consist mostly of_____________...?

(A) Calcium oxalate
(B) Sodium acetate

(C) Magnesium sulphate
(D) Calcium

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Which dissolves in water to form salt and water mixture...?

(A) Gas
(B) Liquid

(C) Solid
(D) None

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Which form of drug abuse involves most risk of infection with the HIV (AIDS) virus ...?

(A) Cigarette smoking
(B) Using alcholo

(C) Injection of heroine
(D) Taking too much aspirin

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A summary value calculated from population is called...?

(A) Parameter
(B) Sample

(C) Statistic
(D) Population

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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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Study of current and past landscapes formation is known as____________...?

(A) Morphology
(B) Aero logy

(C) Geo-morphology
(D) Biology

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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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Caustic Soda is extensively used for making __________...?

(A) Surf
(B) Soap

(C) Plaster of Paris
(D) Gum

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What is the most abundant form of matter in the universe...?

(A) Plasma
(B) Liquid

(C) Gas
(D) Solid

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The mean distance of the earth from the sun is astronomical units is____________...?

(A) 3.7 AU
(B) 10 AU

(C) 1 AU
(D) 101 AU

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The defect in which the image is formed beyond the retina is called...?

(A) Long-sightedness
(B) Blind spotting

(C) Short-sightedness
(D) Image defect

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A process in which two light nuclei combine to form a heavier nucleus is called...?

(A) Nuclear fusion
(B) Nuclear fission

(C) Beta-decay
(D) Alpha-decay

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The part of an eye acting as a film of camera is _____...?

(A) Retina
(B) Iris

(C) Lens
(D) Cornea

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The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids....?

(A) Mars
(B) Saturn

(C) Uranus
(D) Jupiter

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As temperature increases, initially the rate of reaction will _____...?

(A) Decrease
(B) Remain constant

(C) Fluctuate
(D) Increase

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How many Number of eyes found in Earthworm...?

(A) One
(B) Many

(C) No eye
(D) Two

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The audible range of normal dog ear is ______...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

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Hygrometer is used for measuring the ____________...?

(A) Speed of sound
(B) Density of milk

(C) Humidity of air
(D) Specific gravity of liquids

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Refrigerator works on the phenomenon of ________ of heat transfer....?

(A) Conduction
(B) Convection

(C) Radiation
(D) All of these

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Different tissues that perform the same function form an ______...?

(A) Organ
(B) Tissue

(C) System
(D) Cell

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In which mode heat transfer in solids...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None

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An optic piece of curved transparent glass or plastic that refract the light in a specific way is called...?

(A) Prism
(B) Filter

(C) Lens
(D) Mirror

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The essential elements for plant growth are...?

(A) Carbon (C), Oxygen (O), and Hydrogen (H)
(B) Phosphorus (P), Potassium (K), and Nitrogen (N)

(C) Helium (He), Neon (Ne), and Argon (Ar)
(D) Calcium (Ca), Magnesium (Mg), and Sulfur (S)

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Which of the following planets rotate from east to west on its exis...?

(A) Jupiter, Mars
(B) Mercury, Saturn

(C) Venus, Uranus
(D) Neptune, Earth

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When one atom forms cation by losing electron and other forms anion by accepting that electron then bond form between them is ______...?

(A) Covalent bond
(B) Ionic bond

(C) Coordinate covalent bond
(D) Hydrogen bond

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A mode of heat transfer that occurs by the mass motion of a fluid is called...?

(A) Radiation
(B) Convection

(C) Conduction
(D) None

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Which of the following vitamins promote healthy functioning of eyes in human beings...?

(A) Vitamin B
(B) Vitamin C

(C) Vitamin A
(D) Vitamin D

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Omnivores that eat only...?

(A) Only plants
(B) Only animals

(C) Both A and B
(D) None

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The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...?

(A) Conduction of heat upward from a hot surface
(B) Convection from a hot surface

(C) Absorption of infrared energy that has been radiated from the surface
(D) Heat energy from the earth’s interior

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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 source of energy is caused by uneven heating of earth’s surface...?

(A) Wind
(B) Solar

(C) Biomass
(D) None of these

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Carnivores that eat only...?

(A) Animals
(B) Plants

(C) Both A and B
(D) None

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The part of ear that is visible is called _______...?

(A) External Ear
(B) Pinna

(C) Internal ear
(D) both A & B

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When in the part of its orbit closest to the Sun, Pluto has an atmosphere of nitrogen and methane similar to Triton’s, but what happens when it is farther from the Sun ...?

(A) These gases are not present
(B) These gases are like plasma

(C) These gases are frozen
(D) These gases are volatile

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Particle clouds from where stars are formed are known as____________...?

(A) Stellar nurseries
(B) Star clouds

(C) Event horizons
(D) Singularities

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Water is a highly effective coolant for a car engine because _________...?

(A) Water is good conductor of heat
(B) Water has very high specific heat capacity

(C) Water boils at a comparatively high temperature
(D) Evaporation of water produces lot of cooling

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The part of an eye acting as a diaphragm of camera is ______...?

(A) Cornea
(B) Lens

(C) Iris
(D) Retina

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Name the drugs which block the sensory nerves and prevent the patient from feeling pain...?

(A) Analgesics
(B) Antibiotics

(C) Antihistamines
(D) Anaesthetics

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The circuit that provides two or more paths for the current is called...?

(A) Series Circuit
(B) Short Circuit

(C) Parallel Circuit
(D) Open Circuit

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If the electrostatic force between two electrons is F Newton, then the electrostatic force between two protons at the same distance is _____...?

(A) F
(B) 0N

(C) 2F
(D) 2/3 F

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The fourth state of matter is...?

(A) Water
(B) Salts

(C) Vapours
(D) Plasma

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

(A) Herbivores
(B) Carnivores

(C) Omnivores
(D) None

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Heat is measured in...?

(A) Joule
(B) Mole

(C) Density
(D) None

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Solids, liquids and gases mix together to form...?

(A) Mixture
(B) Compound

(C) Element
(D) Solution

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Which is the outermost planet in the solar system...?

(A) Mercury
(B) Pluto

(C) Neptune
(D) Uranus

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The most pure form of carbon among these are...?

(A) Anthracite
(B) Lampblack

(C) Graphite
(D) None of these

Comments
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What is the frequency formula...?

(A) check in details
(B) empty

(C) empty
(D) empty

Comments
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Heat is the form of _____...?

(A) Pressure
(B) Weight

(C) Energy
(D) All

Comments
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Which of the part of tongue bears cells for sour taste...?

(A) Front
(B) Back

(C) Sides
(D) Middle

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The normal range of the number of white blood cells in a microliter of blood is between _________ ...?

(A) 2,500 and 09,300
(B) 4,500 and 10,000

(C) 4,900 and 12,000
(D) None of these

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What is one property of suspension that makes it different from a solution...?

(A) Suspensions have dissolved particles
(B) Suspensions have suspended particles

(C) Suspensions are homogeneous mixtures
(D) Suspensions are always transparent

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When the moon comes in front of the sun and blocks most of the sunlight from reaching the earth is known as...?

(A) A Solar Eclipse
(B) A Lunar Eclipse

(C) A Venus Eclipse
(D) A Earth Eclipse

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Which method can be used to get drinking water from sea water...?

(A) Filtration
(B) Sublimation

(C) Crystallization
(D) Distillation

Comments
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Wisdom teeth normally grow between the age of___________...?

(A) 34-40
(B) 17-30

(C) 45-55
(D) 10-17

Comments
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The information in the DNA is stored in the form of code having ____ organic bases....?

(A) 3
(B) 2

(C) 4
(D) 5

Comments
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The biological functions which perform gaseous exchange...?

(A) Photosynthesis
(B) Respiration

(C) Both a and b
(D) Growth

Comments
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All the bones of the body make a frame called...?

(A) Skelton
(B) Tissue

(C) Skull
(D) None of these

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The day and night are formed due to 'Earth' rotation on its own axis from...?

(A) North to South
(B) South to North

(C) East to West
(D) West to East

Comments
Latest MCQs

Conversion of free energy into different forms by living organisms is called...?

(A) Biophysics
(B) Biomechanics

(C) Bioenergetics
(D) Biochemistry

Comments
Latest MCQs

A piece of matter in pure form is termed as ______...?

(A) Redical
(B) Mixture

(C) Compound
(D) Substance

Comments
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The outermost layer of the Earth is called ____________...?

(A) Crust
(B) Mental

(C) Core
(D) None of these

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A material through which heat energy can flow easily is called...?

(A) Thermal Conductor
(B) Thermal Insulator

(C) Both A and B
(D) None

Comments
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Water is a universal solvent for what reactions...?

(A) Chemical
(B) Biochemical

(C) Physical
(D) Nuclear

Comments
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Which insect can survive without a head for one or more weeks...?

(A) Ladybird
(B) Bee

(C) Cockroach
(D) Termite

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What is the correct genotypic ratio from a cross between Aa and aa...?

(A) 1/2 AA & 1/2 aa
(B) 1/2 Aa & 1/2 aa

(C) 3/4 Aa & 1/4 aa
(D) 1/4 AA 1/2 Aa & 1/4 aa

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The process whereby energy is dissipated from the oscillating system is called__________...?

(A) Oscillation
(B) Damping

(C) Resonance
(D) None of these

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A healthy man consumes maximum calories while playing...?

(A) Cricket
(B) Golf

(C) Billiards
(D) Football

Comments
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What is the chemical formula for Sulfuric acid...?

(A) C2H6O
(B) CaSO4

(C) C2H4O2
(D) H2SO4

Comments
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The Mirror used in the Automobiles are___________...?

(A) Concave
(B) Convex

(C) Plains
(D) Reflective

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Heat is a form of energy associated with ____...?

(A) Atomic Stability
(B) Molecular Motion

(C) Nuclear Reaction
(D) Electromagnetic Radiation

Comments
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The outermost layer of skin is the__________...?

(A) endodermis
(B) dermis

(C) epidermis
(D) hypodermis

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Which planet is losing its atmosphere at faster than the earth...?

(A) Mecury
(B) Venus

(C) Mars
(D) Jupiter

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Which statement is incorrect about the force...?

(A) Force can change the content of an object
(B) Force can change the shape of an object

(C) Force can change the direction of an object
(D) Force can change the speed of an object

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Scientists who forecasting weather by continuously tracking and predicting the path of tornadoes, hurricanes or floods are called...?

(A) Geologists
(B) Meteorologists

(C) Astronomers
(D) Oceanographers

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The part of an eye acting as a aperture of camera is _____...?

(A) Iris
(B) Pupil

(C) Cornea
(D) Retina

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During which process does heat transfer occur because of density differences__________...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None of these

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Places where the temperature of air is below freezing point of the water, the precipitation will be in the form of __________ ...?

(A) Snow
(B) Lightning

(C) Hailstorms
(D) Thunders

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Fruit plant that flowers only once in lifetime...?

(A) Mango
(B) Ground Nut

(C) Banana
(D) Peach

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In which object, form sharp and dark shadows...?

(A) Transparent
(B) Translucent

(C) Opaque
(D) None

Comments
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Animals that eat only animals are called...?

(A) Carnivores
(B) Herbivores

(C) Omnivores
(D) None

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The audible range of normal cat ear is _______...?

(A) 10 Hz to 31kHz
(B) 67 Hz to 45kHz

(C) 20 Hz to 20kHz
(D) 45 Hz to 64kHz

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In which stage of mitosis chromosomes get attached to spindle fibers formed by two the centrioles...?

(A) Metaphase
(B) Anaphase

(C) Telophase
(D) Prophase

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The Scientist who told “Heat is a form of Energy” was___________...?

(A) Thomas Alva Edison
(B) Newton

(C) Joule
(D) Kepler

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Which of the following is correct for the simple machines...?

(A) Simple machines magnify the force you use
(B) Simple machines change the direction of the force

(C) Simple machines make things go faster
(D) Simple machines make things move slower

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

(A) H2O2
(B) HO

(C) OH
(D) O2H2

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Hygrometer is used for measuring the ______...?

(A) Humidity of air
(B) Speed of sound

(C) Density of milk
(D) Specific gravity of liquids

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The image formed by a plane mirror is ______ in size to the object....?

(A) Smaller
(B) Larger

(C) Different
(D) Same

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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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A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to __________...?

(A) Remain unaffected
(B) Fall away from the train

(C) Fall towards the train
(D) Fall away from or towards the train depending upon the speed

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Sunlight is a Great Source of ____________...?

(A) vitamin C
(B) vitamin D

(C) vitamin E
(D) vitamin K

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The day and night are formed due to 'Earth' rotation on its axis from...?

(A) North to south
(B) South to North

(C) West to East
(D) East to West

Comments
Latest MCQs

Which statement is true for limiting frictional force...?

(A) It is greater than rolling friction
(B) It is greater than sliding friction

(C) It is greater than kinetic friction
(D) All are true

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Recognize the factor which does not affect the process of respiration...?

(A) O2
(B) Temperature

(C) Light
(D) CO2

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Which scientist established that the various form of energy mechanical, electrical and heat are basically the same and can be changed from one form into another...?

(A) John Dalton
(B) William Thomson

(C) Albert Einstein
(D) James Prescott Joule

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Heat transfer horizontally within the atmosphere is called...?

(A) Conduction
(B) Convection

(C) Absorption
(D) Advection

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When light passes through prism _____ occurs to form spectrum....?

(A) Refraction
(B) Reflection

(C) Diffraction
(D) None

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Ions are charged particles of atoms and form negative and positive charges due to ____...?

(A) Proton
(B) Electron

(C) Neutron
(D) None

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Animals that eat only plants are known as...?

(A) Carnivores
(B) Omnivores

(C) Herbivores
(D) None of these

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Fog that most often forms as warm rain falls into a cold layer of surface air is called ______________...?

(A) Radiation fog
(B) Evaporation (mixing) fog

(C) Advection fog
(D) Upslope fog

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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

Comments
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What is the molecular formula for Ammonia...?

(A) NH
(B) NH2

(C) NH3
(D) NH4

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What are the three basic units of measurement for the metric system...?

(A) Metre, litre and gramme
(B) Centimetre, kilograms and metric

(C) Kilogram, mass and energy
(D) Kelvin, cd and mole

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Which of the following is a Non Metal that remains Liquid at room temperature...?

(A) Phosphorous
(B) Bromine

(C) Chlorine
(D) Helium

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Which of the following ethical issues form the foremost part of the Hippocratic Oath...?

(A) Confidentiality
(B) Plagiarism

(C) Advertising
(D) Doctor's rights

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Which Gas is included in Fry Chips Packets for safety...?

(A) Nitrogen gas
(B) Carbon dioxide

(C) Oxygen
(D) Hydrogen

Comments
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Dioptre is a unit of measurement for __________ ...?

(A) Current
(B) Lens

(C) Force
(D) Focal Length

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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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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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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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Places where the temperature of air is above freezing point of the water, the precipitation will be in the form of ________ ...?

(A) Hailstorms
(B) Thunders

(C) Rain
(D) Lightning

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Sedimentary rocks are formed by natural process known as ...?

(A) Lithification
(B) Rejuvenation

(C) Hydration
(D) Peroxidation

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For seeing objects at the surface of water from a submarine under water, the instrument used is ________...?

(A) Periscope
(B) Telescope

(C) Kaleidoscope
(D) Spectroscope

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An image formed by a convex lens is called...?

(A) Real and Inverted
(B) Real and Upright

(C) Virtual and Inverted
(D) Virtual and Upright

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What occurs in metaphase of mitosis...?

(A) Chromosome line up on the equator of the cell
(B) Chromatids reach the poles of the spindle

(C) Chromatids separate and move to opposite poles
(D) Chromosomes start to coil up and become visible

Comments
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The melting point of ice at normal atmospheric pressure is ______...?

(A) 0 °C
(B) 0 K

(C) 100 °C
(D) Both 'a' and 'b'

Comments
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Remote sensing is the science of obtaining information about objects or areas on earth from space by using ____...?

(A) Satellite
(B) Radar

(C) Telescope
(D) Aircraft

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Which of the following remains suspended to form sand and water mixture...?

(A) Gas
(B) Plasma

(C) Liquid
(D) Solid

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In human heart blood returning from lungs first drains into the _____...?

(A) Left atrium
(B) Left ventricle

(C) Right atrium
(D) Right ventricle

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Which of the following phenomena of light are involved in the formation of a rainbow...?

(A) Refraction
(B) Dispersion

(C) Total internal reflection
(D) All of the above

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What is the chemical formula of Ozone...?

(A) H2O
(B) C12

(C) O3
(D) CH4

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The part of an eye acting as a black point of camera is ______...?

(A) Sclera
(B) Retina

(C) Optic disc
(D) Choroid

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Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ...?

(A) Zeolites
(B) Sulphonides

(C) Lime
(D) Nitrates

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During a total solar eclipse the rate of Photosynthesis___________...?

(A) Increase
(B) Decrease

(C) Remain Constant
(D) None of them

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A magnifying glass forms an enlarged ______...?

(A) Real and upright image
(B) Virtual and upright image

(C) Real and inverted
(D) Virtual and inverted image

Comments
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Heavy mechanical complex use a large amount of water for_________...?

(A) Cooling
(B) Freezing

(C) Washing
(D) Mixing

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A non-metal atom form anion by ______...?

(A) Loses of electrons
(B) Gain of electrons

(C) Loses of protons
(D) Gain of protons

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How many eyes does a worm have...?

(A) Two
(B) Three

(C) One
(D) None

Comments
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Richer Scale is used for measuring _____...?

(A) Strength of an earthquake
(B) Sound waves

(C) Pollution of atmosphere
(D) None of these

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Matter can change from one form into another by...?

(A) Heating
(B) Cooling

(C) Both A and B
(D) None

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If the length of a heater coil is reduced by 10% of its original length, then Power consumed by heater will...?

(A) Increase over 10%
(B) Decrease by 10%

(C) Decrease by 0.5%
(D) Increase by 0.5%

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Blood which heart pumps to lungs is__________...?

(A) deoxygenated blood
(B) lymph fluid

(C) atria blood
(D) oxygenated blood

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In which object, do not form shadows...?

(A) Transparent
(B) Translucent

(C) Opaque
(D) None

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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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Which variety of glass is heat resistant...?

(A) Bottle glass
(B) Flint glass

(C) Hard glass
(D) Pyrex glass

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Nitrogen occurs in plant and animals in the form of ___________...?

(A) Minerals
(B) Fats

(C) Carbohydrates
(D) Proteins

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Milk tastes sour when kept in the open for sometime due to the formation of __________...?

(A) lactic acid
(B) citric acid

(C) acetic acid
(D) carbonic acid

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The blurred image is formed in front of eyes due to ______...?

(A) Light focused in front of the retina
(B) Light focused behind the retina

(C) Light focused at a point on retina
(D) Light focused at a point beyond retina

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Potato, wheat, rice, corn and all types of sweet fruits contain...?

(A) Mineral
(B) Vitamin

(C) Protein
(D) Carbohydrates

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Which fruit can a diabetic patient eat freely...?

(A) Apple
(B) Banana

(C) Orange
(D) None of these

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

(A) Sepal
(B) Petal

(C) Anther
(D) Ovary

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The image formed in a compound microscope is_____________...?

(A) erect
(B) inverted

(C) sometimes erect, sometimes inverted
(D) none

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Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body:...?

(A) Right Auricle
(B) Left Auricle

(C) Right Ventricle
(D) Left Ventricle

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The average weight of man’s brain is 4.8 ounces. What is the average weight of woman’s brain ...?

(A) 4.8 ounce
(B) 5.8 ounce

(C) 5.4 ounce
(D) 4.4 ounce

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The part of brain involved in balance and precision in movements is ______...?

(A) Cerebrum
(B) Cerebellum

(C) Thalamus
(D) Medulla oblongata

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Heat of sun reaches the earth by ___________...?

(A) Convection
(B) radiation

(C) Conduction
(D) None of these

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When a substance is dissolved in a liquid and no new substance is formed. What will these substances are called...?

(A) Solute
(B) Solution

(C) Compound
(D) None

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Each stoma is formed by ______...?

(A) One guard cell
(B) Two guards cells

(C) Three guard cells
(D) Four guard cells

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Which animal has four hearts...?

(A) Squid
(B) Octopus

(C) Cuttlefish
(D) Hagfish

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What do friction forces between the air and a moving object cause...?

(A) Speed increase
(B) Weight decrease

(C) Resistance
(D) Energy gain

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The most suitable thermometer for measuring boiling point of water is ...?

(A) Mercury Thermometer
(B) Liquid crystal thermometer

(C) Bimetallic thermometer
(D) Alcohol thermometer

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About the requirement of light for germination...?

(A) Some seeds germinate in dark whereas some require light
(B) All seeds germinate in dark

(C) All seeds germinate in light
(D) None

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What is the Molecular Formula for Glucose _______ ...?

(A) C4H10O6
(B) C5H11O6

(C) C6H12O6
(D) S6H12O6

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The hormone ADH release from ______...?

(A) Pituitary gland
(B) Kidneys

(C) Liver
(D) Lungs

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Weather and climate are driven by what source(s) of energy ...?

(A) Earth’s internal heat
(B) Solar radiation

(C) Gravity
(D) Both (a) and (c)

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Red blood corpuscles are formed in the____________...?

(A) Liver
(B) Bone marrow

(C) Kidneys
(D) Heart

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Which of the following floats on water to form sawdust and water mixture...?

(A) Solid
(B) Liquid

(C) Gas
(D) None

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Animals use nitrogen in the form of_________...?

(A) Nitrogen
(B) Nitrates

(C) Nitrites
(D) None of Above

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Lenses form images through ______...?

(A) Dispersion
(B) Diffraction

(C) Refraction
(D) Reflection

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The chemical formula for methane gas is...?

(A) CH8
(B) CH6

(C) CH4
(D) CH2

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The audible range of normal human ear is ____...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

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Zygote forms after the fusion of different ____...?

(A) Gametes
(B) Embryo

(C) Fetus
(D) None

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Sound travels in the form of waves called...?

(A) Longitudinal Waves
(B) Transverse waves

(C) Electromagnetic waves
(D) Radio waves

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Which lists the substances from least to most acidic...?

(A) Blood, milk, ammonia, orange juice
(B) Blood, ammonia, milk, orange juice

(C) Milk, blood, orange juice, ammonia
(D) Ammonia, blood, milk, orange juice

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When Earth is between the Moon and the Sun, this forms a shadow of the Earth, and the Moon passes through this shadow of the Earth, causing a ______...?

(A) Solar Eclipse
(B) Lunar Eclipse

(C) Moon Shadow
(D) Earth Shadow

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The process of removing water in the form of vapour in the form of leaves is called...?

(A) Nutrition
(B) respiration

(C) perspiration
(D) transpiration

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A group of similar cells combine together to form _____...?

(A) Organ
(B) System

(C) Cell
(D) Tissue

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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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The flash of light from lightening travels at about ____...?

(A) 2 x 10^5 m/s
(B) 1 x 10^4 m/s

(C) 5 x 10^6 m/s
(D) 3 x 108 m/s

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The outermost layer of the sun is called __________...?

(A) Coach
(B) Core

(C) Corona
(D) Comma

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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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The uniform or constant fact of nature, virtually an irrefutable theory is _____...?

(A) Scientific theory
(B) Scientific hypothesis

(C) Scientific reasoning
(D) Scientific law

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In the normal human eye, the image is formed ______...?

(A) In from of the retina
(B) On the retina

(C) Behind the retina
(D) In between lens and retina

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Apart from Venus, which planet rotates from east to west...?

(A) Jupiter
(B) Mars

(C) Uranus
(D) Neptune

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The reaction between Acid and basin to form...?

(A) Salt and water
(B) Acid solution

(C) base solution
(D) Water

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Sound waves travel in solvents in the form of _____...?

(A) Transverse Waves
(B) Longitudinal Waves

(C) Electromagnetic Waves
(D) Mechanical Waves

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The biggest species of the cat family is___________...?

(A) Tiger
(B) Lion

(C) Leopard
(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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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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A object that does not produce light but it reflects light that comes from luminous object is called...?

(A) Luminous
(B) Non-luminous

(C) Reflective
(D) Illuminated

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Fathom is the unit of measurement for__________...?

(A) Sound
(B) Depth

(C) Energy
(D) Time

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The species that flower are called ______________...?

(A) Gymnosperms
(B) Bryophytes

(C) Angiosperms
(D) Algae

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The audible range of normal dolphin ear is ____...?

(A) 20 Hz to 120 kHz
(B) 20 Hz to 20 kHz

(C) 20 Hz to 100 kHz
(D) 20 Hz to 50 KHz

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