Forest-The Elixir of Life Worksheet-1

Forest-The Elixir of Life Worksheet-1

1. Forests are home of several medicinal plants like

(a) Sandalwood and Rubber

(b) Sal and Teak

(c) Acacia and Cactus

(d) Cinchona and Eucalyptus

2. Forests are called lungs of nature as they

(a) Bring down the carbon dioxide level of the atmosphere

(b) Bring down the oxygen level of the atmosphere

(c) Maintain the balance of oxygen and carbon dioxide in the atmosphere

(d) Increase the level of oxygen in the atmosphere

3. Which of the following best describes forests?

(a) Natural resource

(b) Renewable natural resource

(c) Non-renewable natural resource

(d) Renewable, exhaustible, natural resource

4. Which of the following form links in the food chain?

(a) Rabbit, grass, fox, lion

(b) Rabbit, fox, grass, lion

(c) Lion, fox, rabbit, grass

(d) Grass, rabbit, fox, lion

5. Which of the following is not a plant product?

(a) Rubber        (b) Paper           (c) Silk                (d) Timber

6. Deforestation is

(a) Cutting of trees

(b) Cutting of trees and simultaneously growing them

(c) Large scale felling of trees

(d) None of these

7. Which of the following is related to regulatory functions of forest?

(a) Economic value                      (b) Aesthetic value

(c) Ethical value                           (d) Ecological value

8. An ecosystem comprises of

(a) Living components

(b) Non living components like sunlight and soil

(c) Producers, consumers, decomposers and physical factors of the environment

(d) Non living components like sunlight and soil & Producers, consumers, decomposers and physical factors of the environment

9. Afforestation should be encouraged because of concerns on

(a) Global warming                     (b) Depletion of watertable

(c) Soil erosion                              (d) All of these

10. Forests help in bringing rainfall by

(a) Condensation                          (b) Evaporation

(c) Transpiration                          (d) All of these

Answer Key:

1. (d)
2. (c)
3. (a)
4. (d)
5. (c)
6. (c)
7. (d)
8. (d)
9. (d)
10. (d)