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Question
Tick the most appropriate answer.
Exhaled air contains
Options
more carbon dioxide
more oxygen
more nitrogen
more hydrogen
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Solution
more carbon dioxide
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RELATED QUESTIONS
Short answer question.
Which gas is taken in and which one is given out by the leaf in bright sunlight?
(i) Taken in :
(ii) Given out:
Suppose we compare the leaf with a factory, match the items in Column A with those in Column B.
| Column A | Column B | ||
| Left | Factory | ||
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| 3 | Sunlight | c | Machinery |
| 4 | Oxygen and water | d | End product |
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