Air contains maximum amount of__________...? Mcqs

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Air contains maximum amount of__________...?

(A) oxygen
(B) nitrogen

(C) hydrogen
(D) carbon dioxide

Latest MCQs

What prevents the earth’s atmosphere from drifting away into space...?

(A) Gravity
(B) Ozone layer

(C) Troposphere
(D) Ecosystem

Latest MCQs

A loudspeaker changes _________ energy into sound energy....?

(A) Chemical
(B) Electrical

(C) Light
(D) Kinetic

Latest MCQs

Velometer is used to measure...?

(A) Rain
(B) Speed of Air

(C) Wind pressure
(D) Heat

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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 earth’s ___________ is divided into 15 major plates of various sizes...?

(A) Mesosphere
(B) Stratosphere

(C) Lithosphere
(D) None

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In which of the following is/are chlorophyll is present...?

(A) Algae
(B) Bacteria

(C) Animals
(D) Plants

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SI unit of time is_________...?

(A) second
(B) kilo gram

(C) meter
(D) volt

Latest MCQs

Sound travels in air at an average speed of nearly________ ...?

(A) 1257 miles per hour
(B) 755 miles per hour

(C) 330 miles per hour
(D) None of these

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What is the method that kills harmful microorganisms and prevents the spread of waterborne diseases such as cholera, dysentery, and typhoid...?

(A) Filtration
(B) Sedimentation

(C) Chlorination
(D) Distillation

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