1. We all should try to reduce air pollution so that we can have clean air to breathe. Why clean air is important to us?
a) Clean air is good for our lungs
b) Clean air can make us sick
c) Clean air makes water clean
d) Clean is bad for our lungs
Answer: a) Clean air is good for our lungs
Explanation: Clean air is good for our lungs and overall health.
2. We should plant trees. They are good for the environment and can be called nature"s air filters. The correct reason they can be called air filters is
a) Because they make the air cold
b) They give us fresh and clean air
c)They pollute the air
d) They produce smoke
Answer: b) They give us fresh and clean air
Explanation: Plants release fresh air and absorb bad air that"s why they can be called air filters.
3. Which of the following things do we need to have less of so that we can have lots of clean air around us?
a)
b)
c)
d)
Answer: a
Explanation: The number of cars or any other smoke-producing vehicles should be reduced so that we can have clean and fresh air.
4. What would happen if we breathed the dirty and polluted air for the longest time?
a) We become more healthy
b) We can develop lung diseases
c) Our lungs get clean
d) Our environment gets clean
Answer: b) We can develop lung diseases
Explanation: Polluted air can make us sick also our lungs can go bad because of them.
5. During a hot day, you see a friend using a spray can to make drawings on the sidewalk. What should you tell your friend to save the environment from the bad effects of spray?
a) Tell them to spray more
b) Join them in painting
c) Suggest using chalk instead of spray paint
d) Use smoke from cars to neutralise it
Answer: c) Suggest using chalk instead of spray paint
Explanation: Spray cans release harmful substances into the air which can damage the air. We can use chalk for drawing on the sidewalk.
6. In the above story Mia made a conclusion about reducing air pollution. What was Mia's conclusion about taking care of the air?
a) It is the government's responsibility
b) Only adults should do it
c) Everybody should contribute
d) It can never be solved
Answer: c) Everybody should contribute
Explanation: Everyone should contribute to making the air cleaner.
7.Which of the following would not harm the air quality around us?
a)
b)
c)
d)
Answer: a
Explanation: Electric cars don"t harm the air quality because they don"t release smoke.
8. Which of the following is not an eco-friendly source of energy that harms our environment and causes air pollution?
a)
b)
c)
d)
Answer: d
Explanation: when coal is burnt lots of smoke is emitted from it which pollutes the air.
9. Which of the following is not a good practice if we want to reduce air pollution?
a)
b)
c)
d)
Answer: c
Explanation: Using cars to travel short distances is not a good practice if we want to change the air quality.
10. Which of the following would not happen if we breathe the polluted air for a long period of time?
a)
b)
c)
d)
Answer: c
Explanation: Our health will become bad and we will fall sick and not be healthy if we breathe polluted air for the longest time.
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