Our Environment Worksheet-1

Our Environment Worksheet-1

Multiple-Choice Question:

Prolong exposure to loud noise or music may lead to:

(A) Deafness (B) Blindness (C) Paralysis

Which of the following is responsible for soil erosion?

(A) Deforestation (B) Afforestation (C) Any of these

Why dead leaves should not be burnt?

(A) It should be buried as it changes into humus which is necessary for the plant growth

(B) Gases are produced which causes pollution

Multiple Choice Questions (with more than one option):

Which of the following should be used to reduce the air pollution?

(A) LPG (B) Petrol (C) Diesel

(D) CNG (E) None of these

Which of the following steps can be taken to reduce the water pollution?

(A) Do not throw dead bodies and wastes in the rivers

(B) Do not use rivers for washing clothes

(D) Do not throw the toxic chemicals in the rivers

(E) None of these

True/False

a. There are seven types of pollution.

b. Air pollution can cause deadly disease like lung cancer, asthma and other respiratory disorders.

c. Factories and industries are the major sources of air as well as water pollution.

d. We should always use plastic bags to keep our environment clean.

e. Water pollution can cause diseases like heart attack, cancer etc.,

f. Noise pollution leads to aggressive behavior, hypertension and sleep disorders.

Fill in the blanks:

Everything that surrounds us forms our ____.

Blowing vehicle horn unnecessarily on the road causes ______ pollution.

Bursting the fire crackers lead to ___ pollution.

Aquatic life gets destroyed due to ____ pollution.

The toxic wastes released in the rivers from the factories and industries cause ___ pollution.

The smoke released from the vehicles causes ____ pollution.

Answer Key:

(1) (A)

(2) (A)

(3) (A)

(4) (A,D)

(5) (A,B,D)

(6) a. False

b. True

c. True

d. False

e. False

f. True

(7) environment

(8) noise

(9) air

(10) water

(11) water

(12) air