Terrestrial Habitats

Q. Explain the structure and functioning of an ecosystem.

Q.

Question 2

Following are some features of plants.
(1) They lose a lot of water through transpiration.
(2) Their leaves are always broad and flat.
(3) They lose very little water through transpiration.
(4) Their roots grow very deep into the soil.

Which of the combination of above features are typical of desert plants?
(a) (1) and (2)
(b) (2) and (4)
(c) (2) and (3)
(d) (3) and (4)

Q. Write short note on forest ecosystem.

Q. What are biotic and abiotic components of the ecosystem?

Q. There is very little water available in deserts. How do you think the plants conserve water there?

1. They have broad leaves to store as much water as they can.
2. They have very short roots to ensure fast absorption of water.
3. They make sure they lose very little water through transpiration.
4. They try to lose a lot of water through transpiration.

Q. Which of the following will not be a part of land biome?

1. Grasslands
2. Aquarium
3. Deserts
4. Evergreen forests

Q.

Question 20

Why do desert snakes burrow deep into the sand during the day?

Q. Write short note on forest ecosystem.

Q. Animals which live on both land and water are called _____.

1. biennials
2. terrestrial
3. aquatic
4. amphibians

Q. How are biotic components of an ecosystem different from abiotic components?

Q. Question 8
What do black buck, elephant, python and golden cat together represent in a forest?

(a) fauna
(b) flora
(c) ecosystem
(d) species

Q. Question 5 (a)
Solution in brief.
Why should we conserve biodiversity?

Q.

Cactus plant is adapted for growth in _______.

1. oceans

2. deserts

3. waters

4. mountains

Q. How are biotic components of an ecosystem different from abiotic components?

Q. Which of the following will not be a part of land biome?

1. Grasslands
2. Aquarium
3. Deserts
4. Evergreen forests

Q.

how do plants adapt to hot conditions found in deserts?

regards,

sanjana shetty(parent)

Q.

Choose the correct option based on the statement and its possible completed sentence.

Cacti survive in a desert because:

A. It has a flat green stem to store water and prepare food by photosynthesis.

B. The stem is covered with a thick waxy layer, which helps to prevent water loss.

C. Its roots are distributed on the surface to absorb as much water as it can.

D. Leaves are modified into spines to prevent loss of water through evaporation.

1. Only A and B are correct

2. Only B and C are correct

3. Only A, B and C are correct

4. Only A, B and D are correct