Page 98 - Science Class 06

7. ____________ of birds are modified into wings for flying in the air.
8. All the animals living at high al tude have long and thick ____________ .

D. Write True or False.
1. All the carnivorous depend upon plants for food indirectly.
2. The stems of the aqua c plants are long, slender, spongy and flexible.

3. Living beings adapt the changes in the environment with the passage of me.
4. Halophytes are found where there is very low rainfall.
5. The stems of the xerophytes are very hard.
6. The scales present on the body of aqua c animals protect them from decaying.

7. The nostrils of the desert animals are reduced to pinholes that protect them
from the sand.

8. Amphibians do not have streamlined body.
E. Very short answer ques ons.
1. Give five examples of abio c components.

2. Name the three types of habitats.
3. What are xerophytes?
4. Name any two free floa ng water plants.
5. What is adapta on?

6. Why do the mesophytes have thin, large and broad leaves?
7. Why do the xerophytes have very deep roots?
8. Why do the amphibians have webbed feet?

9. Name any three xerocoles.
10. Write any three features of birds that help them to fly.
F. Short answer ques ons.
1. How do bio c components interact with abio c components?

2. Why do different plants and animals live in different habitats?
3. How do habitats affect plants and animals?
4. Write any two adap ve features of hydrophytes.
5. Write any two adap ve features of mesophytes.

6. Why do xerophytes not have well-developed branches and leaves?
7. What are halophytes? Write their adap ve feature.
8. Write some special feature of water animals that help them to live in water.
9. Write any two adap ve features of desert animals.

10. Write any two adap ve features of animals living in aerial habitat.
G. Long answer ques ons.
1. Explain bio c and abio c components.

2. How habitats are very much important for the survival of living things?

98 Science-6