1. The large-scale cutting down of forests is called:
A. Afforestation
B. Deforestation
C. Plantation
D. Irrigation

2. Deforestation mainly occurs due to:
A. Agriculture
B. Urbanization
C. Industrialization
D. All of these

3. Plants and animals together are called:
A. Biodiversity
B. Flora and fauna
C. Ecosystem
D. Environment

4. Flora refers to:
A. Animals
B. Plants
C. Microorganisms
D. Soil organisms

5. Fauna refers to:
A. Plants
B. Animals
C. Microorganisms
D. Fungi

6. Which of the following is a major cause of deforestation?
A. Mining
B. Urban construction
C. Agriculture
D. All of these

7. Cutting trees for farming is known as:
A. Agriculture expansion
B. Plantation
C. Irrigation
D. Mining

8. Deforestation increases the amount of which gas in the atmosphere?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen

9. An increase in carbon dioxide causes:
A. Global warming
B. Floods
C. Earthquakes
D. Landslides

10. The removal of fertile topsoil by wind or water is called:
A. Soil erosion
B. Soil fertility
C. Irrigation
D. Desertification

11. The conversion of fertile land into desert is called:
A. Soil erosion
B. Desertification
C. Irrigation
D. Plantation

12. Which natural disaster can increase due to deforestation?
A. Floods
B. Droughts
C. Soil erosion
D. All of these

13. The variety of plants and animals on Earth is called:
A. Biodiversity
B. Population
C. Ecosystem
D. Habitat

14. Protected areas for plants and animals are created for:
A. Tourism only
B. Conservation
C. Agriculture
D. Housing

15. A large protected area for conserving biodiversity is called:
A. National park
B. Wildlife sanctuary
C. Biosphere reserve
D. Zoo

16. Which of the following is a biosphere reserve in India?
A. Nilgiri
B. Sundarbans
C. Nanda Devi
D. All of these

17. In a wildlife sanctuary:
A. Animals are protected
B. Hunting is prohibited
C. Animals live freely
D. All of these

18. A national park is mainly created to protect:
A. Plants only
B. Animals only
C. Entire ecosystems
D. Humans

19. Which activity is not allowed in national parks?
A. Grazing
B. Hunting
C. Cutting trees
D. All of these

20. Which of the following is a national park in India?
A. Kaziranga
B. Jim Corbett
C. Ranthambore
D. All of these