Question

Why are $C_4$ plants able to photosynthesize with no apparent photorespiration?

• A. They do not participate in the Calvin cycle.
• B. They use $PEP$ carboxylase to initially fix $C{O}_2$
• C. They are adapted to cold, wet climates.
• D. They conserve water more efficiently

Answer 1

Answer: (B)

Correct answer is (b) They use $PEP$ carboxylase to initially fix $C{O}_2$