Photosynthesis Assertion and Reason
These Photosynthesis Assertion and Reason questions consist of two statements each, printed as “Assertion” and “Reason“. While answering these Questions you are required to choose any one of the following responses.
(1) If both A and R are True and the R is a correct explanation of the A.
(2) If both A and R are True but R is not correct explanation of the A
(3) If A is True but the R is False.
(4) If both A and R are false.
A : Photophosphorylation is the only process of generation of ATP in plants.
R : Light energy converted into stable chemical energy during photophos-phorylation.
A : Oxygen does not release in bacterial photosynthesis.
R : e– donar is CO2 in bacterial photosynthesis.
A : Growth will stop in plants at compensation point.
R : Net primary productivity is zero at compensation point.
A : Photophosphorylation is also known as glyoxylate cycle
R : Substrate for photorespiration is glyoxylic acid.
A : C4-plants are most efficient photosynthetic plants of todays.
R : Photorespiration does not occurs in C4-plants.
A : Dark-reaction occurs at night in the stroma of chloroplast.
R : All the enzymes responsible for CO2 fixation remain inactive in presence of light.
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