Page 1 - OUR ENVIRONMENT AND POLLUTION
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CHAPTER 14 – CHANGES IN OUR ENVIRONMENT
TOPIC- OUR ENVIRONMENT AND POLLUTION
OBJECTIVE QUESTIONS
Q.1 Fill in the blanks:
a) The substances that cause pollution are known as________.
b) Plants provide us with ................... to breathe.
c) Some ............................ convert atmospheric nitrogen into a form that
can be used by plants.
d) Increased use of fuel for various human activities ___________ the air.
e) The three important elements of our life are _______,___________
and________.
Q.2 Choose the correct option:
i) Which of the following is caused by air pollution:
a) Cholera
b) Typhoid
c) Acid rain
d) All of these
ii) Which of the following is not involved in environment degradation:
a) Cutting of forest
b) Use of chemical fertilisers
c) Birds eating the flesh of dead animals
d) Increased use of fuel
iii) Camels , horses and elephants are used for
a) Transportation
b) Dairy products
c) Cooking
d) None of these

