Which of the following statements is true about escape velocity...? Mcqs

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Which of the following statements is true about escape velocity...?

(A) Escape velocity is independent of the mass of the planet
(B) Escape velocity is independent of the mass of the escaping object

(C) Escape velocity decreases with an increase in the radius of the planet
(D) Escape velocity depends on the shape of the planet

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Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere...?

(A) Carbon dioxide
(B) Chlorofluorocarbons

(C) Nitrogen oxides
(D) Methane

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Which of the following statements describes pepsin...?

(A) It is manufactured by the pancreas
(B) It helps stabilize fat-water emulsions

(C) It splits maltose into monosaccharides
(D) It begins the hydrolysis of proteins in the stomach

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Which body part gets older first...?

(A) Face
(B) Feet

(C) Hands
(D) None of these

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The increasing vapor pressure caused by heating a liquid is due to___________...?

(A) increase inter-molecular interactions
(B) increasing potential energy of molecules

(C) increasing kinetic energy of molecules
(D) decreasing surface tension

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The variety of coal in which the deposit contains recognizable traces of the original plant material is____________...?

(A) bitumen
(B) anthracite

(C) lignite
(D) peat

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For the generation of biogas, the materials commonly used are__________...?

(A) Animal wastes
(B) Forest residues

(C) Aquatic plants
(D) None of these

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The atmospheric air is held to the Earth by...?

(A) gravity
(B) winds

(C) clouds
(D) rotation of the Earth

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Second name of ethyl alcohol is___________...?

(A) Ethene
(B) Ethanol

(C) Propyle
(D) none

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How many noses does an ant have...?

(A) One
(B) Two

(C) Three
(D) None

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