First slide

Pre-fertilisation : Structures and Events

Question

The pollen grains are shed in two celled stage in:

Easy

A

over 60% of angiosperms
B

40% angiosperms
C

50% angiosperms
D

all angiosperms.

Solution

The pollen grain is shed in two celled stage in over 60% of angiosperms. In the two celled stage the pollen grain contains one vegetative cell and one generative cell. The pollen grain which is shed in two celled stage the generative cell undergoes 2nd mitosis during pollen tube germination in the stigma.

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App