Question

Which of the following statements is correct with respect to the photosynthetic pathway of grass or a cactus?

In a cactus, carbon is fixed only during the day.

In grass, carbon is fixed only during the night.

In a cactus, carbon is fixed only during the night.

Answer 1

In a cactus, carbon is fixed only during the day. this is because cacti need sunlight to perform photosynthesis. Have a great day :)