Page 1 - GREENHOUSE EFFECT AND GLOBAL WARMING
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CHAPTER 14 – CHANGES IN OUR ENVIRONMENT
TOPIC- GREENHOUSE EFFECT AND GLOBAL WARMING
OBJECTIVE QUESTIONS
Q.1 Fill in the blanks:
a) The atmosphere of earth behaves just like a __________.
b) _________is known as the most abundant greenhouse gas.
c) __________ is released when manure is produced from animal waste
d) The phenomenon of trapping heat from sun in earth’s atmosphere leading
to rise in temperature of earth is known as ______________.
e) _____________ accounts for 35-37% of the greenhouse effect.
Q.2. Choose the correct option:
1. Which among the following is not a green house gas?
A) Carbon dioxide
B) Ozone
C) Methane
D) Oxygen
2. Which among the following is an effect of global warming?
A) Melting of polar ice caps.
B) Rise in water levels of oceans.
C) Flooding of places near the sea.
D) All the above
3. Name the gas released by grass-eating animals as their waste product.
