First slide

Pre-fertilisation : Structures and Events

Question

Statement A: Ribbon shaped pollen grains are present in Zostera or Seagrass
Statement B: All aquatic angiosperms are pollinated by water.

Easy

A

Statements A and B are correct
B

Statement A is correct and B is incorrect.
C

Statement A is incorrect and B is correct
D

Statements A and B are incorrect

Solution

In underwater pollinated plants like Zostera, the pollen grains are elongated, ribbon like or needle like and have same specific gravity as that of water and suspended in the water after release. These pollen grains have a mucilaginous covering that protects the pollen grains from wetting. Most of the aquatic angiosperms are pollinated by insects or wind

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