Multiple choice

Which of the following statements are correct about C4 plants?

A. CO2 fixation occurs twice. B. PEP acts as CO2 acceptor in bundle sheath. C. Leaf anatomy is of Kranz type. D. They require 18 ATP for synthesis of one molecule of glucose.

  1. A and B

  2. A and C

  3. B and C

  4. B and D

  5. C and D

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is correct because in C4 plants, CO2 fixation occurs twice, once in mesophyll cells to form oxaloacetic acid and another in bundle sheath cells to form 3-phosphoglyceric acid. Kranz-type leaf anatomy is found in C4 plants.