Dispersion by Human Beings

Q. Why is dispersal of seed necessary

Q. Explain seed dispersal by bursting. Give two examples. [3 MARKS]

Q. Which of the following is a seed dispersal agent?

1. gravity and explosion
2. water and water
3. All of the above
4. animals and birds

Q. Which of the following characteristics of seed are responsible for seed dispersal?

1. Seed size
2. Seed shape
3. Seed structure
4. Seed colour

Q. What do you understand by seed bursting?

Q. Which of the following animals are most likely to carry the seeds found inside the fruits from plants to another area?

1. Butterflies
2. Mosquitoes
3. Caterpillars
4. Birds

Q.

The flow of seeds far away from their parent plants is known as

1. Seed Dispersal
2. Seed transportation
3. Seed germination
4. None of the above

Q. What do we mean by seed dispersal?

Q. Coconut fruit floats on water and moves from one place to another. When it reaches the ground it germinates.
Here dispersal of coconut seed took place through which agent of seed dispersal?

1. Wind
2. Water
3. Animals
4. None of the above

Q. Coconut fruit floats on water and moves from one place to another. When it reaches the ground it germinates.
Here dispersal of coconut seed took place through which agent of seed dispersal?

1. Wind
2. Water
3. Animals
4. None of the above

Q. Select the correct characteristics of the seeds dispersed through the wind.

1. Light, fibrous
2. Spongy, heavy
3. Heavy, small
4. Hairy, light

Q. Seed dispersal through bursting occurs only in the rainy season.

1. True
2. False

Q. Seed dispersal by bursting will occur in ____ seasons.

Seasons: Spring, Summer, Monsoon, Autumn and Winter.

1. 4

Q. Select the correct characteristics of the seeds dispersed through the wind.

1. Light, fibrous
2. Spongy, heavy
3. Heavy, small
4. Hairy, light

Q. What do you understand by seed bursting?

Q. Seeds are not dispersed by
(a) wind.
(b) water.
(c) snakes.
(d) birds.

Q. Write how the following seeds are dispersed.

Q. Which among the following are the agents of seed dispersal?

1. Wind
2. Water
3. Human beings
4. Soil