Seed Dispersal
Seed Dispersal: Overview
This topic covers concepts, such as, Seed Dispersal, Agents for Seed Dispersal, Life Cycle of a Cherry Tomato Plant & Investigating Germination in Beans etc.
Important Questions on Seed Dispersal
Why do birds disperse seeds? Explain.
What is seed dispersal by explosion?
_____ plant is a sexually reproducing plant.
During the germination of bean seeds, the iodine test is used for the identification of iron.
_____ is used for the starch identification during germination of a bean seed.
The cherry tomato plant is a sexually reproducing plant.
Seeds of the maple tree are dispersed by the wind as it has hooks on the seed.
Seeds of dandelions have _____ to be carried by the wind.
Make a list of the different ways by which seeds are dispersed.
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 |
Think and tell how plants of banyan, peepal, etc., grow on the wall of buildings, forts and wells?
Seeds that have hairs are dispersed by water.
Complete the series.
Lotus seeds: water:: Mango: _____.
Seeds that have stiff hair are dispersed by the wind.
Seeds that are dispersed by water have to
Fill in the blank with an appropriate word:
Plants pollinated by wind have _____ (thick/short/long) stamens.
Distinguish between:
Dispersal of seeds by Water and Animals
Which part of the following plant will grow into a new plant?
Chilli
Unscramble the words and find the answer.
Its seed is dispersed by wind.
ITDMRUKSC
The seeds with hair and wings are dispersed by
