Growth of pollen tube towards embryo sac is

  • [AIIMS 2000]
  • A

    Geotropism

  • B

    Thigmotaxis

  • C

    Chemotaxis

  • D

    Phototaxis

Similar Questions

Which are the three cells found in a pollen grain when it is shed at the three celled stage ?

Function of filiform apparatus is to

  • [NEET 2014]

The generative cell of a two-celled pollen divides in the pollen tube but not in a three-celled pollen. Give reasons.

Describe pollen-pistil interaction

Pollen pistil interaction is