Question

Assertion (A) Dark reaction always takes place in dark only.
Reason (R) Enzymes of dark reaction are temperature sensitive.

• A. If both A and R are true and R is the correct explanation of A.
• B. If both A and R are true, but R is not the correct explanation of A.
• C. If A is true, but R is false.
• D. If A is false, but R is true

Answer 1

Answer: (D)

Assertion is false, but Reason is true. Assertion can be corrected as
Dark reaction is independent of light. It can take place in the day or night time different plants. Dark reaction or Biosynthetic phase of photosynthesis used the product of light reaction. Enzymes of dark reaction are temperature sensitive not light sensitive.