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

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

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

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

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

(A) Pink
(B) Blue

(C) Yellow
(D) Red

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The protein content in wheat is approximately_______________...?

(A) 6%
(B) 9%

(C) 12%
(D) 15%

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Who enunciated the laws of planetary motion...?

(A) Nicolaus Copernicus
(B) Johannes Kepler

(C) Isaac Newton
(D) Galile

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Leaves contains thin veins to transport _____...?

(A) Oxygen
(B) Carbon Dioxide

(C) Food
(D) Minerals

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Sound travels slowest in which one of the following...?

(A) Air
(B) Water

(C) Steel
(D) Diamond

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Which of the following is not the organic bases of DNA...?

(A) Adenine
(B) Cytosine

(C) Thymine
(D) Uracil

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The transfer of food material from producers through some organisms with repeated eating and being eaten is called...?

(A) Food pyramid
(B) Food chain

(C) Food web
(D) Ecological pyramid

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Biological name of cat...?

(A) Felis catus
(B) Azadirachta indica

(C) Alium Cepa
(D) Canis lupis

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Ring planet is Saturn; least dense and 2nd largest planet is_________...?

(A) Jupiter
(B) Saturn

(C) Neptune
(D) Mercury

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