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Subject :NSO    Class : Class 7

Which of the following statements are incorrect?
(i) Cellular respiration is a physical process in which food molecules are broken down into carbon dioxide and water.
(ii) Anaerobic respiration involves breakdown of glucose into alcohol and carbon dioxide.
(iii) Breathing rate varies according to oxygen requirement of the body.
(iv) On land, frogs breathe through lungs and in water by gills.
(v) Respiration in plants occurs through stomata and lenticels.

A(i), (ii) and (iv) only
B(i) and (iv) only
C(ii), (iii) and (v) only
D(ii), (iii) and (iv) only

i doubt on it . how could cellular respiration could be a physical one.

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7
answer should be B

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
The answer should be d...

Ans 5:

Class : Class 1
illa nila. No

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