Factors Affecting Photosynthesis

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Factors Affecting Photosynthesis: Overview

This topic covers concepts, such as, Law of Limiting Factor, Factors Affecting Photosynthesis, Water as a Factor Affecting the Rate of Photosynthesis & Temperature as a Factor Affecting the Rate of Photosynthesis etc.

Important Questions on Factors Affecting Photosynthesis

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When two plants L and M were exposed to different light intensities and temperatures, they showed changes in their rates of photosynthesis, which have been represented in the following graph. 

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The graph indicates that

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Write a note on the water as a limiting factor of photosynthesis.

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Water stress reduces the rate of photosynthesis.

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Water stress checks the diffusion of CO2 required for photosynthesis.

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Fill in the blank with the correct answer from the bracket.

Under water stress, the _____ are closed. (stomata, phloem, xylem) 

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Explain the role of phytohormones in photosynthesis.

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Which of the following is not an internal factor that has role in photosynthesis?

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What are the internal factors that affect photosynthesis.

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Age of _____ (leaves/stem) plays an important role in photosynthesis.

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The chlorophyll content has no role in photosynthesis.

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The maximum photosynthesis occurs in _____ light. 

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When NaHCO3 is added in small quantity in an experiment showing photosynthesis, what will be the effect of NaHCO3 on the rate of photosynthesis?

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Photosynthesis takes place:

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The moonlight also promotes photosynthesis.

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Suppose Euphorbia and Maize are grown in the tropical area. Which one of them do you think will be able to survive under such conditions?

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Which of the following factors is not a limiting factor for photosynthesis?

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Give a detailed explanation of factors affecting photosynthesis.

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What is the contribution of Blackman in plant physiology?

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What is the rule of limiting factor?

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Fill in the blank with the correction option from the bracket.

_____refers to the intensity of light at which the rate of respiration is equal to that of photosynthesis. (Compensation point, Condensation point, Dew point)