Contribution of flag leaf in photosynthates is about

A. 40%

B. 48%

C. 35%

D. 52%

Answer: Option D

Solution(By Examveda Team)

In gramineous plants, the first leaf below the inflorescence is called the flag leaf. The flag leaf is the last to emerge, which indicates the transition from the growth of the plant to grain production.
Photosynthesis in these leaves provides the maximum of carbohydrates required for grain filling. Contribution of flag leaf in photosynthesis is about 52%.