Seed Dispersal

IMPORTANT

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

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IMPORTANT

Grass seeds are dispersed by an explosion.

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IMPORTANT

Explain the mechanism of seed dispersal in grasses.

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

Complete the series.

Coconut: water:: Mango: _____.

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Group the seeds given in figure according to their means of dispersion.
Seed dispersed by water.

Question Image

Type No seed, if none of the seeds are dispersed by water

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Fill in the blank with the correct word from the bracket.

Plant pollinated by wind has _____ stamens. (thick, short, long)

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Sheep can disperse the fruits of Xanthium.

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

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

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How are the semal seeds dispersed?

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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  

 

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IMPORTANT

List the names of seeds which are fibrous.

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Find and write name of seeds with feather like structure.

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

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

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_____ part of Aak seed helps in dispersal of seeds.

MEDIUM
IMPORTANT

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

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IMPORTANT

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

MEDIUM
IMPORTANT

Complete the series.

Lotus seeds: water :: Mango: _____

EASY
IMPORTANT

Seeds that have hairs are dispersed by water.