1.

    …A… plants have the higher temperature optimum than …B… the plants adapted climate

    Here A and B refer to

    A

    A refers to C4 plants and B refers to C3 plants.

    B

    A refers to C3 plants and B refers to C4 plants.

    C

    A refers to CAM plants and B refers to C4 plants.

    D

    A refers to C3 plants and B refers to CAM plants.

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Temperature optima, plant adaptations, climate zones

    Related Questions

    1.

    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 :1 mins
    🔄Ncert Concepts :Photosynthesis, Calvin Cycle, ATP, NADPH

    2.

    In photorespiration, what is the role of peroxisome?

    A

    Helps in oxidation of glyocolate

    B

    Helps in oxygenation of glycolate

    C

    Helps in synthesis of PGA

    D

    Helps in reduction of glyoxylate

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :photorespiration, peroxisome, glycolate, oxidation

    3.

    C4−{C_4} - plants differ from C3−{C_3} - plants in respect to

    A

    Number of Co2C{o_2} molecules used

    B

    Substrate, which accept the Co2C{o_2} molecules

    C

    The final product

    D

    Number of ATP formed

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :C3 photosynthesis, C4 photosynthesis, carbon fixation

    4.

    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

    5.

    In plants like Amaranthus, which exhibit the C4C_4 photosynthetic pathway, what is the initial stable product resulting from CO2CO_2 fixation?

    A

    Oxaloacetic acid

    B

    Aspartic acid

    C

    Malic acid

    D

    3-phosphoglycerate

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    PYQ YEAR: 2021
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photosynthesis, C4 cycle

    6.

    The first step in dark reaction of photosynthesis is

    A

    Formation of ATP

    B

    Ionization of water

    C

    Attachment of carbon dioxide to a pentose sugar

    D

    Excitement of electron of chlorophyll by a photon of light

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

    7.

    Transport of C4{C_4} acid from mesophyll cells to the bundle sheath cell takes place through

    A

    Cell membrane

    B

    Cell wall

    C

    Plasmodesmata

    D

    Osmosis

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

    8.

    Tomato and bell pepper are?

    A

    C3{C_3} and C4{C_4} plants respectively

    B

    C4{C_4} and C3{C_3} plants respectively

    C

    C3{C_3} plants

    D

    C4{C_4} plants

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photosynthesis, C3 plants, C4 plants

    9.

    During the dark reaction, the acceptor of CO2C{O_2} is

    A

    NADPH2_2

    B

    RuBP

    C

    H2O{H_2}O

    D

    Co2C{o_2}

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

    10.

    The Calvin cycle is also known as:

    A

    C4C_4 pathway

    B

    C3C_3 pathway

    C

    CAM pathway

    D

    Glycolysis

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :dark reaction, Calvin cycle, C3 pathway

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