Carbon dioxide

Here are 10 One-Word Answer Type Questions from the concept Carbon Dioxide based on your textbook content (from the chapter “A Shelter so High” and “Blow Hot, Blow Cold,” where air and gases are discussed) .

Each question includes the answer and explanation immediately after the question, in the format you requested:

Topic: Carbon Dioxide

1. Question:

Which gas do we exhale during breathing?

Answer: Carbon dioxide

Explanation: We breathe out carbon dioxide after using oxygen inside our body .

2. Question:

Which gas is used by plants to make food?

Answer: Carbon dioxide

Explanation: Plants use carbon dioxide in photosynthesis to prepare food.

3. Question:

Which gas does burning of fuel produce?

Answer: Carbon dioxide

Explanation: Carbon dioxide is released when petrol, diesel, and wood burn .

4. Question:

Which gas in air does not support burning?

Answer: Carbon dioxide

Explanation: Fire cannot burn in carbon dioxide because it does not support burning.

5. Question:

What is the main gas responsible for global warming?

Answer: Carbon dioxide

Explanation: Carbon dioxide traps heat in the atmosphere and causes global warming.

6. Question:

What gas is filled in fire extinguishers?

Answer: Carbon dioxide

Explanation: Carbon dioxide is used in fire extinguishers because it stops fire.

7. Question:

What is produced when coal is burnt?

Answer: Carbon dioxide

Explanation: Burning of coal releases carbon dioxide into the air.

8. Question:

Which gas increases when more vehicles run on roads?

Answer: Carbon dioxide

Explanation: More burning of petrol and diesel increases carbon dioxide in the air .

9. Question:

Which gas is present in the air in small amount but is very important for plants?

Answer: Carbon dioxide

Explanation: Carbon dioxide is a small part of air but plants need it to make food.

10. Question:

What gas do animals and humans add to the air while breathing out?

Answer: Carbon dioxide

Explanation: All animals and humans release carbon dioxide during respiration.

If you want, I can prepare a worksheet format, fill in the blanks, match the following, or true/false based on this topic for your class.

Shall I prepare that too?


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