Question

Photorespiration is found to be zero (or) negligible in these crop plants
(A) Sunflower
(B) Pineapple
(C) Amaranthus
(D) Fingermillet
Choose the correct answer from the options given below:

• A. (A) and (C) only
• B. (B) and (D) only
• C. (A) and (D) only
• D. (B), (C) and (D) only

Hint:

To identify plants with negligible photorespiration:
- Look for $\text{C}_4$ plants (Maize, Sugarcane, Sorghum, Amaranthus, Millets).
- Look for CAM plants (Pineapple, Agave, Orchids, Cacti).
$\text{C}_3$ plants (Wheat, Rice, Barley, Soybean, Sunflower) always have high photorespiration.

Answer 1

The Correct Option is D