1.

    Which of the following statements is INCORRECT regarding the Calvin cycle?

    A

    It occurs in the stroma of the chloroplast.

    B

    It uses ATP and NADPH produced during the light-dependent reactions.

    C

    It involves the fixation of carbon dioxide.

    D

    It directly requires light energy.

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Dark Phase, Calvin Cycle, Chloroplast, Stroma

    Related Questions

    1.

    Identify the 5-C compound from the given option

    A

    RuBP

    B

    OAA

    C

    3PGA

    D

    NADPH2_2

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Biochemistry, Calvin cycle, Carbon fixation

    2.

    In plants, glycolate metabolism takes place in

    A

    Low concentration of carbon dioxide

    B

    High concentration of oxygen

    C

    Low concentration of oxygen

    D

    Absence of oxygen

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :glycolate metabolism, photorespiration, carbon dioxide concentration, oxygen concentration

    3.

    Carboxylation (C3−{C_3} - cycle) is the fixation of Co2C{o_2} into

    A

    Amino acid

    B

    Cholesterol ring

    C

    Proteins

    D

    Organic intermediate

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photosynthesis, C3 cycle, Carbon fixation

    4.

    In dark reaction, regeneration of RuBP needs

    A

    2 molecule of ATP

    B

    1 molecule of ATP

    C

    3 molecule of ATP

    D

    4 molecule of ATP

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :photosynthesis, Calvin cycle, RuBP regeneration, ATP

    5.

    Which of the following is formed during photorespiration?

    A

    Sugar

    B

    Phosphoglycolate

    C

    NADPH

    D

    ATP

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photorespiration, Calvin Cycle, Photosynthesis

    6.

    Synthesis of one molecule of glucose requires

    A

    6CO22, 18 ATP and 12 NADPH

    B

    6CO22, 12 ATP and 18 NADPH

    C

    6CO22, 30 ATP and 12 NADPH

    D

    6CO22, 38 ATP and 12 NADPH

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :photosynthesis, calvin cycle, ATP, NADPH, glucose synthesis

    7.

    Calvin cycle represents

    A

    Reductive carboxylation

    B

    Substrate level phosphorylation

    C

    Dark respiration

    D

    Oxidative carboxylation

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Calvin cycle, photosynthesis, carbon fixation, carboxylation, reduction

    8.

    Photophosphorylation is the

    A

    Formation of ADP in the presence of light

    B

    Formation of ATP in the presence of chemicals

    C

    Formation of ATP in the presence of light

    D

    Formation of ATP in the presence of reducing agents

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photophosphorylation, ATP, ADP, light

    9.

    Photorespiration is also called

    I. Glycolate pathway

    II. C3−{C_3} - cycle

    III. Oxidative photosynthetic carbon cycle

    Select the correct option

    A

    I and II

    B

    II and III

    C

    III and I

    D

    I, II and III

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Photorespiration, Glycolate pathway, C3 cycle, Oxidative photosynthetic carbon cycle

    10.

    Which plant performs photosynthesis even after the closing of stomata?

    A

    C2{C_2}

    B

    C3{C_3}

    C

    C4{C_4}

    D

    C5{C_5}

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photosynthesis, Stomata, C4 plants

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