Select the incorrect option regarding the eff | vedclass

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(A) The dark reactions of photosynthesis are enzymatic processes (Calvin cycle),which are highly sensitive to temperature. In contrast,the light react

Vedclass · Accepted Answer

The light reactions are more sensitive to temperature than the dark reactions.

Vedclass · Answer

(A) The dark reactions of photosynthesis are enzymatic processes (Calvin cycle),which are highly sensitive to temperature. In contrast,the light reactions are primarily photochemical and are less affected by temperature. Therefore,the statement that light reactions are more sensitive to temperature than dark reactions is incorrect. $C_4$ plants are adapted to warmer climates and have a higher temperature optimum compared to $C_3$ plants. Tropical plants,living in warmer regions,naturally have a higher temperature optimum than plants from temperate regions. Temperature significantly influences the activity of enzymes involved in metabolic pathways.

Select the incorrect option regarding the effect of temperature on photosynthesis.

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What are the essential conditions for photosynthesis?

Which of the following factors affecting photosynthesis does not have a direct effect on the process?
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$III$. Temperature
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$R -$ The concentration of $CO_2$ in the atmosphere is between $0.03$ and $0.04$ percent. An increase in concentration up to $0.05$ percent can cause an increase in $CO_2$ fixation rates.

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