With reference to factors affecting the rate of photosynthesis, which of the

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Solution

Q.
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct [2017]

1 Increasing atmospheric $C O_{2}$ concentration up to 0.05% can enhance $C O_{2}$ fixation rate.

2 $C_{3}$ plants respond to higher temperature with enhanced photosynthesis while $C_{4}$ plants have much lower temperature optimum.

3 Tomato is a greenhouse crop which can be grown in $C O_{2}$ -enriched atmosphere for higher yield.

4 Light saturation for $C O_{2}$ fixation occurs at 10% of full sunlight

Ans.
(2)

$C_{4}$ plants respond to higher temperature with enhanced photosynthesis while $C_{3}$ plants have lower temperature optimum

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Solution

Q. With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct [2017]

1 Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate.

2 C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum.

3 Tomato is a greenhouse crop which can be grown in CO2-enriched atmosphere for higher yield.

4 Light saturation for CO2 fixation occurs at 10% of full sunlight

Ans. (2) C4 plants respond to higher temperature with enhanced photosynthesis while C3 plants have lower temperature optimum

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Q.
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct [2017]

1 Increasing atmospheric $C O_{2}$ concentration up to 0.05% can enhance $C O_{2}$ fixation rate.

2 $C_{3}$ plants respond to higher temperature with enhanced photosynthesis while $C_{4}$ plants have much lower temperature optimum.

3 Tomato is a greenhouse crop which can be grown in $C O_{2}$ -enriched atmosphere for higher yield.

4 Light saturation for $C O_{2}$ fixation occurs at 10% of full sunlight

Ans.
(2)

$C_{4}$ plants respond to higher temperature with enhanced photosynthesis while $C_{3}$ plants have lower temperature optimum