Question

Pick up the correct statement for pollen tube.

• A. It is composed of three noncellular zones.
• B. It shows chemotactic movement.
• C. It shows only tip growth.
• D. It shows cytoplasmic streaming.
• E. Both B and C

Answer 1

The correct option is E Both B and C

Chemotactic movement leads the pollen grains to the embryo sac. It means that the movement of gametes as a result of chemical induction. Chemotactic movement causes the pollen grains to reach the embryo sac and results in fusion, which is also called as syngamy. The pollen grain grows from its tip.