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Subject :NSO    Class : Class 6

The given pie chart shows relative amount of three main gases (X, Y and Z) in the air. Which of the following statements is correct regarding this?

(A) X is a major component of most of the fertilizers.

(B) Y is the gas that is used in photosynthesis.

(C) Z represents the gas that is used in respiration of plants.

(D) X and Y do not dissolve in water.

Ans 1:

Class : Class 6
Answer is A.because it is nitrogen and used in fertilizer.In nitrogen fixation the nitrogen gas is used to produce protien.

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