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प्रश्न
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:
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उत्तर
(i) Carbon dioxide
(ii) Oxygen
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संबंधित प्रश्न
Long answer question.
What is the role of chlorophyll in photosynthesis?
Long answer question.
Do plants need oxygen? If so, what is its source?
Tick the most appropriate answer.
Plants have these for the exchange of gases.
Attempt any TWO of the following:
Describe ‘any two’ factors affecting the rate of photosynthesis.
Identify the false statement and rewrite it correctly by changing the first or last word only.
Photosynthesis requires enzymes.
Are the following statement true or false? Give a reason in support of your answer.
The outside atmospheric temperature has no effect on the rate of photosynthesis.
Draw and label the structure of oxysomes.
Why does the rate of photosynthesis decrease at higher temperatures?
The figure shows the effect of light on the rate of photosynthesis. Based on the graph, answer the following question:
- At which point/s (A, B or C) in the curve is light a limiting factor?
- What could be the limiting factor/s in Region A?
- What do C and D represent on the curve?

Graph of light intensity on the rate of photosynthesis
The optimum temperature for the process of photosynthesis is ______.
