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Question
State whether the following statement is True or False:
The free oxygen in the atmospheric air is the result of photosynthesis.
Options
True
False
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Solution
True
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RELATED QUESTIONS
Short answer question.
Which four of the following are needed for photosynthesis in a leaf:
(i) Carbon dioxide:
(ii) Oxygen:
(iii) Nitrates :
(iv) Water:
(v) Chlorophyll:
(vi) Soil:
(vii) Light:
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 | ||
| 1 | Cells in the leaf | a | Raw materials |
| 2 | Chloroplast | b | Power |
| 3 | Sunlight | c | Machinery |
| 4 | Oxygen and water | d | End product |
| 5 | Carbon dioxide and water | e | By product |
| 6 | Glucose | f | Workroom |
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In order to carry out photosynthesis, what are the substances that a plant must take in? Also mention their sources.
Answer the following in one word.
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The figure shows the effect of light on the rate of photosynthesis. Based on the graph, answer the following question:
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Graph of light intensity on the rate of photosynthesis
