1.

    How does temperature affect the rate of photosynthesis?

    A

    It influences enzyme activity

    B

    It changes the color of chlorophyll

    C

    It directly provides energy for the process

    D

    It has no effect

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Photosynthesis, Temperature, Enzymes

    Related Questions

    1.

    Solarisation is

    A

    Formation of chlorophyll

    B

    Destruction of chlorophyll

    C

    Utilization of sunlight

    D

    Effects of solar light

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Solarisation, Chlorophyll

    2.

    A plant is exposed to green light only. Which of the following is most likely to occur?

    A

    The rate of photosynthesis will be significantly reduced.

    B

    The rate of photosynthesis will be at its maximum.

    C

    The rate of photosynthesis will be slightly increased.

    D

    The rate of photosynthesis will remain unaffected.

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photosynthesis, Light absorption, Chlorophyll

    3.

    A C4 plant and a CAM plant are grown under identical environmental conditions. Which statement BEST describes their relative water use efficiency (WUE) and photosynthetic rates under prolonged high light intensity and high temperature?

    A

    The C4 plant will have both higher WUE and a higher photosynthetic rate than the CAM plant.

    B

    The CAM plant will have higher WUE than the C4 plant, but the C4 plant will have a higher photosynthetic rate.

    C

    The C4 plant will have higher WUE than the CAM plant, but the CAM plant will have a higher photosynthetic rate.

    D

    The CAM plant will have both higher WUE and a higher photosynthetic rate than the C4 plant.

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Photosynthesis, C4 Plants, CAM Plants, Water Use Efficiency, Photorespiration

    4.

    Warburg effect is the

    A

    Inhibition of C4−{C_4} - cycle by O2{O_2}

    B

    Inhibition of C2−{C_2} - cycle by O2{O_2}

    C

    Inhibition of C3−{C_3} - cycle by O2{O_2}

    D

    Inhibition of C3−{C_3} - cycle by CO2C{O_2}

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Warburg effect, Photosynthesis, C3 cycle, Oxygen inhibition

    5.

    How does an increase in atmospheric CO2 concentration initially affect the rate of photosynthesis, assuming other factors are optimal?

    A

    Increases the rate

    B

    Decreases the rate

    C

    Has no effect

    D

    Causes photorespiration

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photosynthesis, Carbon dioxide fixation, Limiting factors

    6.

    Water stress makes plant leaves …A… thus, …B… the surface area of leaves and their metabolic activity as well Here A and B refer to

    A

    A-wilt, B-increases

    B

    A-wilt, B-decreases

    C

    A-fall, B-decreases

    D

    A-fall, B-increases

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :plant physiology, water stress, wilting, surface area, metabolic activity

    7.

    Which of the following is NOT a limiting factor for photosynthesis?

    A

    Light intensity

    B

    Carbon dioxide concentration

    C

    Temperature

    D

    Oxygen concentration

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Photosynthesis, Limiting factors

    8.

    The law of limiting factors was proposed with particular reference to photosynthesis. Identify the scientist, who proposed this law?

    A

    Calvin

    B

    Weismann

    C

    Emerson

    D

    Blackman

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Law of Limiting Factors, Photosynthesis

    9.

    Which factor is not limiting in normal condition for photosynthesis?

    A

    Air

    B

    Carbon dioxide

    C

    Water

    D

    Chlorophyll

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :photosynthesis, limiting factors

    10.

    The major limiting factor for photosynthesis is

    A

    O2{O_2}

    B

    Light

    C

    CO2C{O_2}

    D

    H2O{H_2}O

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Factors Affect Photosynthesis
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :photosynthesis, limiting factors

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