Force has _____...? Mcqs

PPSC Past Papers

Latest MCQs

Force has _____...?

(A) Magnitude and Direction
(B) Velocity and Acceleration

(C) Mass and Volume
(D) Energy and Momentum

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The gravitational pull at the lunar surface is ________ of Earth...?

(A) 1/3
(B) 1/4

(C) 1/5
(D) 1/6

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The altitude on stratosphere is ______...?

(A) 40 to 45 km
(B) 50 to 55 km

(C) 60 to 65 km
(D) 70 to 75 km

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

(A) Pollen
(B) Fruits

(C) Spores
(D) Leaves

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In chloroplast different pigments absorb light of different _____...?

(A) Intensity
(B) Wavelength

(C) Frequency
(D) Amplitude

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When sound travels through air, the air particles _____...?

(A) Vibrate along the direction of wave propagation
(B) Vibrate perpendicular to the direction of wave propagation

(C) Vibrate but not in any fixed direction
(D) Vibrate and move in a straight line

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The discovery of neutron became very late because _______ ...?

(A) It does not carry any charge
(B) It does not move

(C) It is a fundamental particle
(D) It is present in nucleus

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NASA’s Mars rover, __________ , has been exploring Mars since 2012....?

(A) Diversity
(B) Serenity

(C) Curiosity
(D) Divinity

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Oranges are rich source of____________...?

(A) Carbohydrates
(B) Fats

(C) Proteins
(D) Vitamins

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Barnacles growing on the back of whale is an example for ________________...?

(A) mutualism
(B) parasitism

(C) amensalism
(D) commensalism

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The chemicals released from one cell and carried to signal some distant cell through blood are ______...?

(A) Neurotransmitters
(B) Enzymes

(C) Hormones
(D) All of these

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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

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Sunsets on Mars are _________...?

(A) Red
(B) Blue

(C) Yellow
(D) Orange

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The two factors that affect the speed of sound in air are ______...?

(A) Humidity and volume of the air
(B) Temperature and mass of the air

(C) Volume and mass of the air
(D) Temperature and humidity of the air

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Pluviometer measures ___________...?

(A) Wind
(B) Strength of Plywood

(C) Rainfall
(D) None of these

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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 strongest part(s) of a magnet is/are _________...?

(A) North pole
(B) South pole

(C) North and south pole
(D) Median of north and south pole

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Solution is a mixture of ______...?

(A) Mixture and Compound
(B) Element and Mixture

(C) Solvent and Compound
(D) Solute and Solvent

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Acetic acid is obtained from _____...?

(A) Banana
(B) Dates

(C) Garlic
(D) Vinegar

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Navigation satellites are used for _____...?

(A) Space exploration
(B) Mapping

(C) Provide weather forecasting
(D) Identify location of objects on Earth

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Fish is one of the best source of ______...?

(A) Protein
(B) Vitamin

(C) Mineral
(D) Carbohydrate

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The motion of a falling ball towards Earth is due to the _____...?

(A) Weightlessness
(B) Gravitational force

(C) Acceleration due to gravity
(D) Both 'a' and 'b’

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When the magnitude of Kc is small, indicates ______...?

(A) Reaction mixture contain most of the reactant
(B) Reaction mixture contain most of the product

(C) Reaction mixture contain almost equal amount of reactant and product
(D) Reaction goes to completion

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The male gonads in rabbit are ______...?

(A) Testis
(B) Ovaries

(C) Scrotal sac
(D) Vas deferens

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Sound waves are _________ waves....?

(A) Transverse
(B) Electromagnetic

(C) Longitudinal
(D) None of these

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

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

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

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Afternoon rains in the equatorial region are the result of influences _______...?

(A) Land Breeze
(B) Monsoon

(C) Frontal
(D) Convectional

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USB stands for ______...?

(A) Universal serial Bussiness
(B) Universal Serial Bus

(C) Universal Secondary Bus
(D) Unary Serial Bus

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Preservatives are used to preserve _______...?

(A) Acids
(B) Bases

(C) Food
(D) Water

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Vaccination can be administered ______...?

(A) After infection
(B) Before infection

(C) During infection
(D) All are Correct

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Lead ball falls through water more slowly than through air because __________...?

(A) The value of ‘g’ is less in water
(B) Density of air is less than that of water

(C) Of the viscous force in water
(D) Of The surface tension of water

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B12 deficiency can produce__________...?

(A) Insomnia
(B) Microcytic anemia

(C) Pernicious anemia
(D) None Of these

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The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere ___________...?

(A) Barograph
(B) Radiosonde

(C) Aneroid barometer
(D) Altimeter

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The heaviest man made element found so for is__________...?

(A) Promethium
(B) Ununoctium

(C) Francium
(D) Technetium

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The gases used in different types of welding would include ___________...?

(A) Oxygen and hydrogen
(B) Oxygen, hydrogen, acetylene and nitrogen

(C) Oxygen, acetylene and argon
(D) Oxygen and acetylene

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Bolometer measures: ____________...?

(A) Breadith of tree
(B) Burning capacity

(C) Heat radiation
(D) Bearing capacity

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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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If zero line of Vernier scale coincides with zero of main scale, then zero error is ______...?

(A) Positive
(B) Zero

(C) Negative
(D) One

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The presence of a dielectric between the plates of capacitors, the capacitance of capacitor ______...?

(A) Increases
(B) Remain constant

(C) Decreases
(D) Remain uncharged

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Chief builder of the body are ___________...?

(A) Carbohydrates
(B) Proteins

(C) Fats
(D) None of these

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In the atmosphere, if the temperature is low then the pressure is _________...?

(A) Low
(B) High

(C) Normal
(D) All of these

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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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Example of heterogeneous mixture is _______...?

(A) Sugar and water
(B) Sand and water

(C) Salt and water
(D) Ink and water

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

(A) Three
(B) Six

(C) Nine
(D) Ten

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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 three elements needed for healthy growth of plants are __________...?

(A) N, P, K
(B) N, C, P

(C) N, K,
(D) N, S, P

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The hormone ADH release from ______...?

(A) Pituitary gland
(B) Kidneys

(C) Liver
(D) Lungs

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Mohus scale is used for to measure ____________...?

(A) Hardness
(B) Humidity

(C) Pressure
(D) Temperature

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Which vegetable is also a flower __________...?

(A) Lady Finger
(B) Broccoli

(C) Tomato
(D) None of these

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Once you have the data, you may need to perform _____ analysis....?

(A) Mathematical
(B) Qualitative

(C) Quantitative
(D) Logical

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Metabolic reactions are _______...?

(A) Constructive reactions
(B) Destructive reactions

(C) Inhibiting reactions
(D) Both A and B

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Oxygen belongs to group VIA so number of electrons in its valence shell are _____...?

(A) 3
(B) 4

(C) 5
(D) 6

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The planets visible to us without using a telescope are __________...?

(A) 3
(B) 4

(C) 5
(D) 6

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The maximum number of electrons can be filled in the first shell of an atom are _____....?

(A) 2 electrons
(B) 8 electrons

(C) 18 electrons
(D) 4 electrons

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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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The functional group -COOH is used for ______...?

(A) Alkynes
(B) Alcohols

(C) Phenols
(D) Carboxylic acids

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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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In animal meiosis produces _____...?

(A) Gametes
(B) Zygotes

(C) Embryos
(D) Somatic cells

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GPS (Global Positioning System) is used for _____...?

(A) Space exploration
(B) Mapping

(C) Identify location of objects on Earth
(D) Provide weather forecasting

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The earlier biotechnologist were _____...?

(A) Biologist
(B) Agriculturist

(C) Genetist
(D) Farmers

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By which process copper is refined ____________...?

(A) Roasting
(B) Oxidation

(C) Zone Refining
(D) Electrolysis

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Drugs for treatment of rheumatoid arthritis can be obtained from ______...?

(A) Animals
(B) Minerals

(C) Plants
(D) Micro organisms

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P Waves are also said to be __________ waves...?

(A) Push-pull
(B) Side-side

(C) Up-down
(D) None of the above

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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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In the word GPS, letter G stands for ____...?

(A) Geographic
(B) General

(C) Global
(D) Geostationary

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The first organism on earth were _______________...?

(A) autotrophs
(B) heterotrophs

(C) saprotrophs
(D) none of these

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A saturated solution of KCl on heating becomes _______...?

(A) Unsaturated
(B) Supersaturated

(C) Diluted
(D) All of these

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Selective reabsorption in nephron takes place at ______...?

(A) Glomerulus
(B) Malpighian body

(C) Convulated tubules
(D) Loop of Henle's

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Some fruits like mango, lemon, raw grapes, oranges, etc have a sour taste to the presence of _____...?

(A) Tartaric acid
(B) Malic acid

(C) Oxalic acid
(D) Citric acid

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The primary colors of light are _____...?

(A) 2
(B) 3

(C) 4
(D) 5

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Rate of reaction will increase when temperature ______...?

(A) Increases
(B) Decreases

(C) Below 10°C
(D) Both A and B

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Weather satellites are used for _____...?

(A) Provide weather forecasting
(B) TV signal broadcasting

(C) Telecommunication
(D) Space exploration

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If the ratio of solute to solvent is low, the solution is said to be _____...?

(A) Supersaturated
(B) Diluted

(C) Saturated
(D) Concentrated

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Vitamin C is essential for___________...?

(A) Appetite
(B) Growth & repairing of tissues

(C) Muscles
(D) Brain

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Tyndall effect is related to the ______ of light...?

(A) Reflection
(B) Dispersion

(C) Scattering
(D) Refraction

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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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Permanent hardness of water is due to the presence of __________...?

(A) Sodium bicarbonate
(B) Calcium sulfate

(C) Calcium bicarbonate
(D) None of these

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Second highest layer of Earth's atmosphere is _______...?

(A) Troposphere
(B) Stratosphere

(C) Mesosphere
(D) Thermosphere

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

(A) Oxygen
(B) Hydrogen

(C) Carbon dioxide
(D) Nitrogen

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

(A) C4H10O6
(B) C5H11O6

(C) C6H12O6
(D) S6H12O6

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IC stands for _____...?

(A) Insulated Cable
(B) Intelligent Chip

(C) Integrated Circuit
(D) Internal Component

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At room temperature most of ionic compounds are ______...?

(A) Amorphous solids
(B) Crystalline solids

(C) Liquids
(D) Gases

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The term ‘Geography’ was coined first time by a Greek scholar _________ in 234BC...?

(A) Herodotus
(B) Thales of Miletus

(C) Eratosthenes
(D) Plato

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Vitamin C is essential for ______...?

(A) Appetite
(B) Muscles

(C) Growth and repair of tissues
(D) None of these

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A blood alcohol level above ________ will often result in death:...?

(A) 0.10
(B) 0.20

(C) 0.30
(D) 0.41

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LED stands for _____...?

(A) Light Emitting Diode
(B) Laser Emitting Device

(C) Low Energy Device
(D) Liquid Emitting Display

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MRI is stand for _____...?

(A) Magnetic Resonance Imaging
(B) Magnetic Related Imaging

(C) Both
(D) None

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Blood glucose level is raised by the following except __________...?

(A) Carbohydrates
(B) Insulin

(C) Cholesterol
(D) Epinephrine

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The waves that have maximum penetrating power to treat tumors are ______...?

(A) Ultraviolet radiation
(B) Microwaves

(C) Gamma-rays
(D) Radio waves

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Wood is the main raw material for the manufacture of ____________...?

(A) Paint
(B) Gun powder

(C) Paper
(D) Ink

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‘Magnetometer’ is used to measure: ______________...?

(A) Air Pressure on Ships
(B) Electromagnetic Force in Space Devices

(C) Changes in the Earth’s Magnetic Field
(D) Changes in Oceanic Current

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Fertilizers are substances containing chemical elements such as manure or mixture of ______...?

(A) Lipids
(B) Carbohydrates

(C) Nitrates
(D) Proteins

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The prefix ‘hept’ stands for the ____ carbon atoms....?

(A) 2
(B) 5

(C) 7
(D) 9

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If we dissolve sand into the water, then the mixture is said to be _______...?

(A) Solution
(B) Suspension

(C) Colloids
(D) Concentrated solution

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Splitting of glucose (glycolysis) release small amount of energy which is enough to generate _____...?

(A) 2 ATP
(B) 5 ATP

(C) 18 ATP
(D) 36 ATP

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Enzymes are ______...?

(A) Steroid in nature
(B) Protein in nature

(C) Lipid in nature
(D) Carbohydrate in nature

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Water soluble Vitamins are _________...?

(A) A & D vitamins
(B) B & C vitamins

(C) A & K vitamins
(D) B & K vitamins

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Two resistances of 6 Ω and 12 Ω are connected in parallel. Their net resistance is ______...?

(A) 7 Ω
(B) 6 Ω

(C) 4 Ω
(D) 5 Ω

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CT Scan stand for__________...?

(A) Computed Tomography Scan
(B) Computer Topography Scan

(C) Computed Topography Scan
(D) Computer Tomography Scan

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Instrument used for measuring very high temperature is __________...?

(A) Pyroscope
(B) Pyrometer

(C) Seismograph
(D) Xylometer

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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 type/s of pollution is/are ______...?

(A) Air Pollution
(B) Water Pollution

(C) Land Pollution
(D) All of these

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The sky appears blue because the earth’s atmosphere __________...?

(A) Scatters blue light
(B) Reflects blue light

(C) Transmits blue light
(D) Has actual blue cover

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Fuel used in a Fast Breeder Reactor is _____________...?

(A) Uranium Oxide
(B) Uranium Plutonium carbide

(C) Uranium Plutonium Oxide
(D) Uranium thorium Oxide

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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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An example of an abiotic component __________...?

(A) Plants
(B) Soil

(C) Animals
(D) Bacteria

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Inspiration involves ______...?

(A) Contraction of intercostals muscles
(B) Contraction of diaphragm

(C) Inward movement of ribs
(D) Both a and b

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Water vapor is ______________...?

(A) A gas
(B) A cloud droplet

(C) A rain drop
(D) A snowflake

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A mature, large ovary and seed are _____...?

(A) Stem
(B) Leaf

(C) Flower
(D) Fruit

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The season changes because of the ____________...?

(A) Moon is revolving round the earth
(B) Earth is revolving round its axis

(C) Earth is revolving round the sun
(D) Planet Mars is attracting the sun

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The permanent hardness of water is due to presence ______...?

(A) MgSO4
(B) Mg(HCO3)₂

(C) CA(HCO3)2
(D) All of these

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

(A) Hard soap
(B) Soft soap

(C) Moderate soap
(D) All of these

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Gravitational field of Earth is directed _____...?

(A) Towards the Earth
(B) Towards the Sun

(C) Towards the Moon
(D) Away from Earth

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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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Which of the following is not a primary colour ________....?

(A) Red
(B) Blue

(C) Green
(D) Yellow

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Synthetic resins are used on places where _______...?

(A) Electric resistance is required
(B) Water resistance is required

(C) Adhesion is required
(D) Friction is required

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A chronometer meter measures __________ ...?

(A) Water waves
(B) Color contrast

(C) Time
(D) Sound waves

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A force is a ________ or a _______ that causes movement....?

(A) Pull, Twist
(B) Push, Pull

(C) Push, Lift
(D) Twist, Turn

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Oscillations are damped due to the presence of ______...?

(A) Linear motion
(B) Restoring force

(C) Frictional force
(D) Mechanical force

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The liquid molecules leave the surface of liquid in evaporation process because ______...?

(A) Energy is low
(B) Energy is moderate

(C) Energy is high
(D) None of these

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Lactometer is used for__________...?

(A) Ship
(B) Milk

(C) Honey
(D) None

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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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The step-up transformer ______...?

(A) Increases the input current
(B) Increases the input voltage

(C) Has more turns in the primary
(D) Has less turns in the secondary coil

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Colour of the plants is green due to the presence of _________....?

(A) Carbon dioxide
(B) Chlorophyll

(C) Urea
(D) Oxygen

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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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Parses is a unit used to measure: __________...?

(A) Distance
(B) Time

(C) Speed
(D) Force

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At higher altitude, the temperature and density of the air are _____...?

(A) Lower
(B) Higher

(C) Constant
(D) Unchanged

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Female Ova are ___________...?

(A) Haploid
(B) Diploid

(C) Triploid
(D) None of these

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The abrasives are ______...?

(A) Water
(B) Water insoluble minerals

(C) Water semi soluble minerals
(D) Water absorving minerals

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The isotope C-12 is present in abundance of _______...?

(A) 96.9%
(B) 97.6%

(C) 98.8%
(D) 99.7%

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Plant stem that arise from buds on the base of parent plants are ______...?

(A) Bulb
(B) Rhizome

(C) Sucker
(D) Runner

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Most protists are ______...?

(A) Terrestrial
(B) Fungal

(C) Photosynthetic
(D) Aquatic

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Light dependent reaction takes place in ______...?

(A) Stroma
(B) Thylakoid

(C) Cristae
(D) Cisternae

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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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If the ratio of solute to solvent is high, the solution is said to be ______...?

(A) Aqueous Solution
(B) Unsaturated Solution

(C) Concentrated Solution
(D) Saturated Solution

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The property of a body to oppose the flow of electric charge through it is called electric _______...?

(A) Capacitance
(B) Resistance

(C) Potential
(D) Conductance

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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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Only male frog produce croacking sound because _________ ...?

(A) Male frog can magnify their voice with the help of sound box.
(B) Male frog have three pair of vocal cord

(C) Female frog have larynx but no vocal cord
(D) Female frog have no larynx

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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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Cow milk is a rich source of____________...?

(A) vitamin C
(B) vitamin B

(C) vitamin A
(D) vitamin K

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In group electron affinity values decreases from top to bottom because ______...?

(A) Atomic size normal
(B) Atomic size increases

(C) Atomic size decreases
(D) Atomic size same

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The citric acid is used in preparation of cold drinks for _____...?

(A) Sweet taste
(B) Bitter taste

(C) Sour taste
(D) Salty taste

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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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Bile is released from ______...?

(A) Pancreas
(B) Stomach

(C) Liver
(D) Gallbladder

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During night plants give out more ______...?

(A) Carbon Dioxide
(B) Oxygen

(C) Hydrogen
(D) Nitrogen

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A temporary magnet should be made from _______...?

(A) Copper
(B) Tin

(C) Iron
(D) None

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An alloy is the homogeneous mixture of ______...?

(A) Two solid
(B) Two liquid

(C) Two gases
(D) Solid and liquid

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

(A) Magnified
(B) Enlarged

(C) Inverted
(D) Illuminated

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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'

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Venera-9 was the first spacecraft landed on the surface of _____...?

(A) Jupiter
(B) Mercury

(C) Neptune
(D) Venus

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Communication satellites are used for _____...?

(A) Provide weather forecasting
(B) Mapping

(C) Telecommunication
(D) Space exploration

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All of these are benefits of bacteria except ______...?

(A) Decomposition
(B) Oxygen Production

(C) Nitrogen Fixation
(D) None of these

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Patela is a bone of the ________...?

(A) Skull
(B) Leg

(C) Arm
(D) Chest

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There are ______types of respiration takes place in frog....?

(A) 1
(B) 2

(C) 3
(D) None of these

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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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Erythrocyte is another name for a ___________...?

(A) white blood Cells
(B) Platelet

(C) Red Blood cells
(D) Plasma

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

(A) Less
(B) More

(C) Equal
(D) None of these

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Earth observation satellites are used for _____...?

(A) TV signal broadcasting
(B) Mapping

(C) Telecommunication
(D) Space exploration

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

(A) Current
(B) Lens

(C) Force
(D) Focal Length

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Flame test of Copper Halide with bluish-green color identify the presence of ______...?

(A) Halogen
(B) Hydrogen

(C) Copper
(D) B and C

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Metals are good conductors of electricity because they have free _____...?

(A) Electrons
(B) Protons

(C) Neutrons
(D) Photons

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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

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All Transition Elements are _____...?

(A) Gases
(B) Metals

(C) Nonmetals
(D) Metalloids

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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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If the direction of magnetic field is reversed, the direction of force is _____...?

(A) Reversed
(B) Not reversed

(C) May or may not reversed
(D) None of these

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Examples of Monosaccharides are ___________....?

(A) Glucose
(B) Galactose

(C) Fructose
(D) All of these

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Bauxite is an ore of_________...?

(A) copper
(B) zinc

(C) aluminium
(D) iron

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Centrifugal force is always directed _____...?

(A) Towards centre
(B) Away from centre

(C) Along the circular path
(D) All sides

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Water covers __________ of the Earth’s surface...?

(A) 61%
(B) 67%

(C) 71%
(D) 76%

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The gonads are the target organ for ______...?

(A) FSH
(B) LH

(C) Both a & b
(D) None of these

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During the daytime for the photosynthesis, plants require ______...?

(A) O2
(B) N2

(C) CO2
(D) H2

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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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The sample may be solid, liquid, gas or a _______ in qualitative analysis....?

(A) Mixture
(B) Compound

(C) Differentiate
(D) Substance

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Highest Clouds are ___________...?

(A) Cirrocumulus
(B) Cirrus

(C) Cirrostratus
(D) All of these

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

(A) Waves
(B) Particles

(C) Energy packets
(D) Electromagnetic

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Gravity setting chambers are used in industries to remove ________...?

(A) NOx
(B) SOx

(C) CO
(D) Suspended particulate matter

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Exposure to sunlight helps a person improve his health because ________...?

(A) Resistance power increases
(B) The infrared light kills bacteria in the body

(C) The ultraviolet rays convert skin oil into Vitamin D
(D) The pigment cells in the skin get stimulated and produce a healthy tan

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Two capacitors of 8µF are connected in series then the equivalent capacitance is ______...?

(A) ¼ µF
(B) 2 µF

(C) 3 µF
(D) 4 µF

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The products of the reaction between carbon dioxide and water are ______...?

(A) Glucose (C6H12O6) and Nitrogen (N2)
(B) Glucose (C6H12O6) and Oxygen (O2)

(C) Starch (C6H10O5) and Water (H2O)
(D) Cellulose (C6H10O5) and Carbon Monoxide (CO)

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Spring balance is used to measure _________...?

(A) Mass
(B) Weight

(C) Elasticity
(D) Density

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Sound waves first enter the ______...?

(A) Eardrum
(B) Cochlea

(C) Ear Canal
(D) Stirrup

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The electromagnetic rays used in radiotherapy to destroy cancer cells are ______...?

(A) Infrared rays
(B) X-rays

(C) Visible rays
(D) Ultraviolet rays

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The audio signals of TV are _____________...?

(A) Amplitude modulated
(B) Frequency modulated

(C) fixe modulated
(D) Velocity modulated

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There are ______ themes in geography....?

(A) Three
(B) Four

(C) Five
(D) Seven

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Sperms fuse with eggs to form ______...?

(A) Embryo
(B) Fetus

(C) Zygote
(D) Gamete

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Spinach leaves are rich source of________...?

(A) Amino acid
(B) Iron

(C) Vitamin E
(D) Carotene

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A Barometer is device used to measure ______...?

(A) Humidity
(B) Atmospheric Pressure

(C) Room Temperature
(D) Salt in sea water

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Plant utilizes simple inorganic molecules (CO2 and H2O) to prepare _____...?

(A) Glucose and water
(B) Glucose and oxygen

(C) Oxygen and water
(D) Oxygen and Glucose

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Instrument that measure the electric force ________...?

(A) Hygrometer
(B) Hydrometer

(C) Ammeter
(D) Voltmeter

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Gravitation force is ______ of the medium between the objects....?

(A) Dependent
(B) Independent

(C) Both 'a' and 'b'
(D) None of these

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Leaves contains thin veins to transport _____...?

(A) Oxygen
(B) Carbon Dioxide

(C) Food
(D) Minerals

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The materials required for respiration are ______...?

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

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

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The main constituent of Pearls are: ______________...?

(A) Calcium oxide &Ammonium Chloride
(B) Calcium Carbonate &Megnesium Carbonate

(C) Aragonite & Conchiolin
(D) None of these

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

(A) 13
(B) 12

(C) 14
(D) 16

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The materials required for photosynthesis are _______...?

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

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

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Dry ice is ___________...?

(A) Methane hydrate
(B) Liquid Nitrogen

(C) Solid Carbon dioxide
(D) Frozen Water

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