Q.

Statement - I   : Dark reaction occurs only at night in the stroma of chloroplast.

Statement - II  : CO2 fixation occurs only during C3 cycle.   

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a

Both statements are true

b

Both statements are false

c

Statement - I is false Statement - II is true

d

Statement - I is true Statement - II is false

answer is B.

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Detailed Solution

Dark reaction of photosynthesis occurs in both in the presence or absence of light. Carbon  dioxide fixation occurs not only in C3 cycle but also takes place in C4 cycle.

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