Question

174
Basic Science for Class 6
4. Which gas is released in photosynthesis?
(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Water vapour
5. Which of the following constituents of air is used in respiration
(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Water vapour
6. Which gas is released in respiration?
(a) Nitric oxide
(b) Carbon monoxide
(c) Carbon dioxide
(d) Sulphur dioxide
E. Complete the following.
1. The earth is surrounded by a thick blanket of .....
2. Water, when poured into a glass, displaces ...... from the latter.
3. Air is a gaseous .......
4. A diver carries ...... for respiration.
5. Nitrogen is neither combustible nor a ...... of combustion.
6. The ...... present in air helps in the formation of clouds.
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Answer 1

Explanation:

1. oxygen

2. oxygen

3. carbon dioxide

Answer 2

Answer:

4 Oxygen

5 Oxygen

6 Carbon-dioxide

Explanation:

This is the answer