Which of these is not necessary for photosynthesis?

(a) carbon dioxide
(b) chlorophyll
(c) light
(d) nitrogen

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Solution

(d) nitrogen
Green plants, due to the presence of chlorophyll in their leaves, can perform photosynthesis in the presence of light by using carbon dioxide as a raw material. Nitrogen is not needed for it.

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Similar questions

Q. Which of these is/are required for photosynthesis?

(a) Chlorophyll
(b) Sunlight and water
(c) Carbon dioxide
(d) All of these

Q. The absence of which of these will not affect photosynthesis–oxygen, carbon dioxide, water, chlorophyll, light? Give reasons.

3 factors necessary for photosynthesis to take place are:

1. Presence of sunlight
2. Presence of chlorophyll
3. Presence of water and carbon-dioxide

Question 28
Choose the event that does not occur in photosynthesis

(a) Absorption of light energy by chlorophyll
(b) Reduction of carbon dioxide to carbohydrates
(c) Oxidation of carbon to carbon dioxide
(d) Conversion of light energy to chemical energy

Question 23
Oxygen liberated during photosynthesis comes from

(a) water
(b) chlorophyll
(c) carbon dioxide
(d) glucose

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Which of these is not necessary for photosynthesis? (a) carbon dioxide (b) chlorophyll (c) light (d) nitrogen

(d) nitrogen Green plants, due to the presence of chlorophyll in their leaves, can perform photosynthesis in the presence of light by using carbon dioxide as a raw material. Nitrogen is not needed for it.

Which of these is not necessary for photosynthesis?

(a) carbon dioxide
(b) chlorophyll
(c) light
(d) nitrogen

(d) nitrogen
Green plants, due to the presence of chlorophyll in their leaves, can perform photosynthesis in the presence of light by using carbon dioxide as a raw material. Nitrogen is not needed for it.