Pollen sterility is a serious problem in

A. Guava

B. Grape

C. Orange

D. Ber

Answer: Option D

Solution(By Examveda Team)

Pollen sterility is a serious problem in Ber.
Male sterility in plants implies an inability to produce or release functional pollen and is the result of the failure of the formation or development of functional stamens, microspores or gametes.
Ber - Zizyphus mauritiana Lamk. Belongs to the Family: Rhamnaceae. Ber or Indian jujube is indigenous to India. The main drawback of seed propagation is that fruits are small and of poor quality.