Forest-The Elixir of Life

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

Forest-The Elixir of Life Worksheet-2

Fill in Blanks.

1. A food chain involves the transfer of _____.

2. In villages, burning of fuel wood must be discouraged and _____ should be used for cooking purpose.

3. The interdependent of living organisms and abiotic components of the physical environment forms an _____.

4. Forests form a part of _____ ecosystem.

5. All green plants are called ____.

6. ____ is an alkaloid obtained from Cinchona tree.

7. Green plants form the first level in a _____.

8. ____ help in humus formation which enrich the soil with nutrients.