Pollution of Air & Water

Pollution of air and water Worksheet-1

Fill in the blanks:

1. The cover of air surrounding the earth is called _______.

2. Substances polluting air, water and earth are called ______.

3. Presence of undesirable substance in environment that affects living beings directly or indirectly is called ______.

4. Sulphur dioxide and nitrogen dioxide gases combine with moisture in air and produce ______ which is harmful.

5. SPM stands for _______.

6. Milk producing capacity of milking animals decreases due to ______ pollution

7. Human beings suffer from diseases of trachea and lungs due to ______ pollution

Pollution of air and water Worksheet-2

Match the following:

Pollution of air and water Worksheet-3

Multiple-Choice Question:

1. Toxic and undesirable substances are produced as a result of the activities of ________.

(A) Urbanization                          (B) Excess use of fertilizers

(C) Both                                          (D) None