1.

    In plants, glycolate metabolism takes place in

    A

    Chloroplasts only

    B

    Peroxisomes only

    C

    Mitochondria only

    D

    Chloroplasts, peroxisomes, and mitochondria

    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

    Related Questions

    1.

    Synthesis of food in C4−{C_4} - pathway occurs in chlorophyll of

    A

    Guard cells

    B

    Bundle sheath cells

    C

    Spongy mesophyll cells

    D

    Palisade cells

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

    2.

    The special structure present in C4−{C_4} - plants in

    A

    Thin cuticle

    B

    Multi-layered epidermis

    C

    Kranz type body

    D

    One-layered epidermis

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

    3.

    I. CO2C{O_2} is assimilated into sugars

    II. RUBP is regenerated

    III. ATP and NADPH are formed

    Select the correct option in context to Calvin cycle

    A

    I and II

    B

    II and III

    C

    I and III

    D

    I, II and III

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Calvin cycle, Carbon fixation, RuBP regeneration, ATP and NADPH

    4.

    Formation of ATP in mitochondria is called

    A

    Mitochondria

    B

    Hydrolysis

    C

    Oxidative phosphorylation

    D

    Photophosphorylation

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :ATP formation, mitochondria, cellular respiration, oxidative phosphorylation

    5.

    The primary function of the dark phase of photosynthesis is to:

    A

    Release oxygen

    B

    Generate ATP and NADPH

    C

    Fix carbon dioxide into organic molecules

    D

    Split water molecules

    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, Carbon Fixation, Photosynthesis

    6.

    Chloroplasts without grana are known to occur in

    A

    Bundle-sheath cells of C3−{C_3} - plants

    B

    Mesophyll cells of C4−{C_4} - plants

    C

    Bundle-sheath cells of C4−{C_4} - plants

    D

    Mesophyll cells of all plants

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Photosynthesis, C3 plants, C4 plants, Chloroplast structure, Grana, Bundle sheath cells, Mesophyll cells

    7.

    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

    8.

    3-PGA is first stable product in

    A

    Carbon-reduction cycle

    B

    Photorespiration

    C

    Light reaction

    D

    All of these

    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, Carbon fixation

    9.

    RuBisCo performs oxygenase activity at

    A

    Low CO2C{O_2} concentration

    B

    High CO2C{O_2} concentration

    C

    High H2O{H_2}O concentration

    D

    Low H2O{H_2}O concentration

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

    10.

    Identify the correct sequence of enzymes given below which participate in the regeneration phase of Calvin cycle.

    I.    Ribulose-5-phosphate isomerase

    II.    Ribulose-5-phosphate epimerase

    III.    Transketolase

    IV.    Triose phosphate isomerase

    A

    VI, I, III, II

    B

    III, IV, II, I

    C

    IV, III, I, II

    D

    II, I, IV, III

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Calvin cycle, regeneration phase, enzyme sequence, carbohydrate metabolism

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