Photosynthesis Assertion and Reason | AIIMS Special MCQs

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.

Correct Answer: Option (4)

A : Oxygen does not release in bacterial photosynthesis.
R : e donar is CO2 in bacterial photosynthesis.

Correct Answer: Option (3)

A : Growth will stop in plants at compensation point.
R : Net primary productivity is zero at compensation point.

Correct Answer: Option (1)

A : Photophosphorylation is also known as glyoxylate cycle
R : Substrate for photorespiration is glyoxylic acid.

Correct Answer: Option (4)

A : C4-plants are most efficient photosynthetic plants of todays.
R : Photorespiration does not occurs in C4-plants.

Correct Answer: Option (1)

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.

Correct Answer: Option (4)

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Our staff explores the Internet what’s possible and share knowledge and information with career seekers. They also Like to dig into various leading newspapers, important books, magazines etc. for important questions and MCQs. The team is led by Iqbal Hussain

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