Q3 of 70 Page 69

If we keep on increasing CO2 concentration in the air, will the rate of photosynthesis also keep on increasing in direct proportion?

Yes/No ……………………………….


Explain: ……………………………….

NO, if we keep on increasing CO2 concentration in the air, the rate of photosynthesis will not keep on increasing in direct proportion. At first, if carbon dioxide concentration increases, the rate of photosynthesis will increase but up to certain limit then it gets stabilized.


More from this chapter

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1

How does the following favour increase photosynthesis?

(i) Large surface area of the leaf ………………………


(ii) The thinness of the leaf …………………


(iii) More numerous stomata …………………

 2

Name the three end-products of photosynthesis and mention the fate of each of them in the plant.

(i) Name ……………………


Fate ………………………


(ii) Name ……………………………….


Fate ……………………………….


(iii) Name ……………………………….


Fate ……………………………….

 1

Why is it necessary to research a plant before performing an experiment on photosynthesis?

………………………………………………………

 2

Why do we perform the iodine-test?

…………………………………………………………