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Subject :NSO    Class : Class 3

At night plants take in X and animals take in Y, during breathing. Select the option that correctly identifies X and Y.

X Y
A Oxygen Oxygen
B Carbon dioxide Carbon dioxide
C Carbon dioxide Oxygen
D Oxygen Carbon dioxide


It was a little tricky .

Ans 1:

Class : Class 3
A

Ans 2:

Class : Class 7

Ans 3:

Class : Class 3
Yes,very tricky indeed.Everybody will write C but the answer will be A

Ans 4:

Class : Class 3
a a a

Ans 5:

Class : Class 3
Why a

Ans 6:

Class : Class 3
a

Ans 7:

Class : Class 5
It was a little tricky .

Ans 8:

Class : Class 3
a

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