Seed Dispersal
Seed Dispersal: Overview
This topic covers concepts, such as, Seed Dispersal, Agents for Seed Dispersal, Seed Dispersal by Animals & Spontaneous Seed Dispersal etc.
Important Questions on Seed Dispersal
Grass seeds are dispersed by an explosion.

Explain the mechanism of seed dispersal in grasses.

Make a list of the different ways by which seeds are dispersed.

Complete the series.
Coconut: water:: Mango: _____.

Group the seeds given in figure according to their means of dispersion.
Seed dispersed by water.
Type No seed, if none of the seeds are dispersed by water

Fill in the blank with the correct word from the bracket.
Plant pollinated by wind has _____ stamens. (thick, short, long)

Sheep can disperse the fruits of Xanthium.

Spines or hooks of some seeds help them to _____ to the body of animals. (fly/stick)

The dispersal agents that is used by the Balsam plant is _____. (Water/Wind/Explosion)


Given below are the various agents of dispersal of seeds. Give five examples of each.
Agents of dispersal of seeds | Name of seeds |
Dispersal by wind | |
By water | |
By birds/animals | |
By man | |
By bursting |

List the names of seeds which are fibrous.

Find and write name of seeds with feather like structure.

The transport of flowers away from the parent plant is called seed dispersal.

The light seeds of grasses are blown off with the help of wind.

_____ part of Aak seed helps in dispersal of seeds.

Write the two significances of hairs in the seed of aak.

Which of the following part of aak seed helps in seed dispersal?

Complete the series.
Lotus seeds: water :: Mango: _____

Seeds that have hairs are dispersed by water.
