1. Human beings do a lot of activities which harm the environment. Out of the following activities what causes the Earth to become too hot?
a) Too many trees
b) Too many water sources
c) The increasing amount of carbon dioxide
d) Heavy rainfall
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Answer: c) The increasing amount of carbon dioxide
Explanation: Increasing amounts of certain gases like carbon dioxide are making our earth too hot.
2. Which of the following human activity is bad for the environment?
a)
b)
c)
d)
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Answer : d
Explanation: We should not litter trash everywhere because it makes the environment dirty.
3. Cars or vehicles around us release gases and they harm the environment and affect our climate. Name the gas that cars release.
a) Clean air
b) Rain
c) Global warming
d) Clouds
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Answer: c) Global warming
Explanation: Cars produce a gas called carbon dioxide, which causes the earth to warm up.
4. We all should grow more and more trees because they are good for the environment. Why trees are important and what do they do?
a) They make a town look pretty
b) They provide sunlight
c) They make plastics
d) They give us fresh air
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Answer: d)
Explanation: Trees take in bad air and give us fresh air.
5. To save the climate we have to make little efforts in our daily lives like turning off the light when we leave a room. Why should we turn off the light?
a) To make the room dark
b) It would help in saving water
c) To save electricity and thus save energy required to make it
d) To use sunlight
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Answer: c) To save electricity and thus save energy required to make it
Explanation: We should turn off the lights when we are leaving the room to save electricity. Saving electricity would help in saving energy in making it and thus Earth would become less warm
6. What should we do with things we don't need anymore instead of throwing them away?
a) Throw them in the garden
b) Throw them in the river
c) Hide them under the bed
d) Give them to friends who need them
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Answer: d) Give them to friends who need them
Explanation: If we give old things to friends who can use them, we can reduce waste and make sure things are used again.
7. What happens when we drive cars a lot?
a) The air gets dirtier
b) It rains more
c) The air gets fresh
d) Trees grow faster
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Answer: a) The air gets dirtier
Explanation: When many cars drive around, they release smoke and gases into the air. This makes the air not clean and can make it hard for us to breathe.
8. Why should we use both sides of a piece of paper?
a) Because it looks good
b) To write more and more
c) To save trees that make paper
d) To use pencil more and more
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Answer: c) To save trees that make paper
Explanation: Using both sides of paper means we use less paper. This means fewer trees need to be cut down as parers are made from trees.
9. What should we do with old batteries which we don't wanna use anymore?
a) Throw them in the garden
b) Throw them in the river
c) Burn them
d) Recycle them safely
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Answer: d) Recycle them safely
Explanation: Batteries have chemicals inside. If we throw them away, they can harm the Earth. Recycling them safely is the best way.
10. Which of the following activities is not good and can aid in changing climate and make the Earth warmer?
a) Planting trees
b) Burning trash
c) Cleaning river
d) Using solar panels
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Answer: b) Burning trash
Explanation: Burning piles of trash can make huge amounts of smoke which heats the Earth.
