Percentage of oxygen in human body is _____...? Mcqs

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Percentage of oxygen in human body is _____...?

(A) 65%
(B) 70%

(C) 10%
(D) 18%

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Latest MCQs

Carbon dating is used for the estimation of the age of ____...?

(A) Rocks
(B) Fossils

(C) Soil
(D) Water

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

(A) Coach
(B) Core

(C) Corona
(D) Comma

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Brass gets discoloured in air because of the presence of which of the following gases in air ________ ...?

(A) Carbon dioxide
(B) Oxygen

(C) Nitrogen
(D) Hydrogen sulphide

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If a child has cholera, which environment pollution needs to be addressed...?

(A) Land
(B) Water

(C) Air
(D) None

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The particles of a liquid...?

(A) Are tightly packed and stay in a fixed position
(B) Are free to move in a container but remain in close contact with one another

(C) Are widely spaced and move freely in any direction
(D) Are sparse and vibrate at long distances

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The hottest stars are the blue stars and their temperature is around _____...?

(A) 25000°C
(B) 20000°C

(C) 15000°C
(D) 10000°C

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Which animal have a thick layer of fat under their skin which protects them from the cold temperature of the sea...?

(A) Blue Whale
(B) Starfish

(C) Crocodile
(D) None

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The chemical name of “Acid” (Tezaab) is___________...?

(A) Sulfuric acid
(B) Sodium chloride

(C) Citric Acid
(D) None of these

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In data organization, which method is mostly useful...?

(A) Table
(B) Graph

(C) Ratio
(D) Both a and b

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