The blueness of the sky is mainly due to _____________...? Mcqs

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The blueness of the sky is mainly due to _____________...?

(A) The scattering of sunlight by air molecules
(B) The presence of water vapor

(C) Absorption of blue light by the air
(D) Emission of blue light by the atmosphere

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A healthy child 7-14 years of age, required approximately _______ gram of protein per kilogram of body weight....?

(A) 1
(B) 2

(C) 3
(D) 4

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Enzymes are ______...?

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

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

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Which bone in human body is not directly attached to other bones...?

(A) Ulna
(B) Hyoid

(C) Tibia
(D) Cranium

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The first and largest asteroid discovered was__________...?

(A) Pallas
(B) Juno

(C) Ceres
(D) Trojan

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Which group of compounds constitute carbohydrates...?

(A) Sugar and proteins
(B) Starch and proteins

(C) Starch and sugar
(D) None of these

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The number of neutron(s) in Protium is ______...?

(A) One
(B) Three

(C) Two
(D) No

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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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Compressed Natural Gas (CNG) has the same chemical composition as that of _____...?

(A) LPG
(B) Tear gas

(C) Hydrogen
(D) Sui Gas

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What happens when water solidifies as ice on cooling from 4°C to 0°C...?

(A) Its volume increases and density decreases
(B) Its volume increases and density increases

(C) Its volume decreases and density decreases
(D) Its volume decreases and density increases

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