Quiz on The Earth and its Living World (Environmental Studies)

1. What is a vast continuous stretch of land called?

2. What are huge blocks of ice floating in the sea called?

3. What is the envelope of air around the earth called?

4. What is the layer up to a height of about 50 km from the earth called?

5. Where are zebras found?

6. Where are kangaroos found?

7. What are living things and all the parts they occupy together called?

8. What is the earth's crust and a small hard portion of the layer under it called?

9. What absorbs ultraviolet rays coming from the sun?