Question

Why C4 plants are more efficient than C3 plants?

Answer 1

Based on photosynthesis,C4 plants are more efficient than C3 plants due to following causes:-

• Photorespiration is absent or rare in C4 plants.
• PEP and PEPC have more affinity with CO2 than oxygen.
• C4 plants have low compensation points of CO2 for photosynthesis.
• There are two sites of photosynthesis with two types of chloroplasts.