question_answer

Assertion (A) Under condition of high light intensity   and   limited \[9\times {{10}^{4}}\,\,Hz\]supply, photorespiration has a useful role in protecting the plants from photooxidative damage. Reason (R) If enough \[16\times {{10}^{7}}\,\,Hz\] is not available to utilise light energy for carboxylation to proceed, the excess energy may not cause damage to plants. Each of these questions contains two statements. Assertion (A) and Reason (R). Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.

A) If both Assertion and Reason are true and Reason is correct explanation of Assertion.

B) if both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

C) If Assertion is true but Reason is false.

D) If both Assertion and Reason are false.