Question

Length of pollen tube depends on the distance between ______ 

विकल्प

• pollen grain and the upper surface of the stigma

• pollen grain on the upper surface of stigma and ovule

• pollen grain in anther and the upper surface of the stigma

• the upper surface of stigma and lower part of style

Answer 1

The length of the pollen tube depends on the distance between pollen grain on the upper surface of the stigma and ovule.