1.

    The dark reaction of photosynthesis takes place in the:

    A

    Grana of the chloroplast

    B

    Thylakoid membrane

    C

    Inner mitochondrial membrane

    D

    Stroma of the chloroplast

    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, chloroplast, stroma

    Related Questions

    1.

    The enzyme responsible for the carboxylation of RuBP in the Calvin cycle is:

    A

    PEP carboxylase

    B

    RuBisCO

    C

    Hexokinase

    D

    Phosphofructokinase

    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, RuBisCO

    2.

    Which of the following is concerned with carbon dioxide fixation?

    A

    Krebs cycle

    B

    Calvin cycle

    C

    Ornithine cycle

    D

    Glycolysis

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

    3.

    Organelles associated with photorespiration are

    A

    Chloroplast, mitochondria, peroxisome

    B

    Chloroplast, mitochondria, lysosome

    C

    Mitochondria, peroxisome, centrosome

    D

    Nucleus, centrosome, peroxisome

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Photorespiration, organelles, chloroplast, mitochondria, peroxisome, lysosome, centrosome, nucleus

    4.

    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

    5.

    In a chloroplast, the reduction of carbon dioxide to form glucose during photosynthesis occurs in the:

    A

    Thylakoid lumen

    B

    Intermembrane space

    C

    Grana

    D

    Stroma

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    PYQ YEAR: 2015
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photosynthesis, Calvin cycle, Carbon dioxide reduction, Glucose synthesis

    6.

    In bundle, sheath cells are the large cells around the

    A

    Vascular bundles of C4−{C_4} - plants

    B

    Vascular bundles C3−{C_3} - plants

    C

    Vascular bundles of C2−{C_2} - plants

    D

    All of the above

    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, C4 photosynthesis, Bundle sheath cells

    7.

    Choose the correct statement.

    A

    The area of a circle is proportional to the square of its circumference.

    B

    The area of a circle is proportional to its circumference.

    C

    The circumference of a circle is proportional to the square root of its area.

    D

    The circumference of a circle is proportional to the square of its area.

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Photosynthesis, C4 pathway, RuBisCO, PEP carboxylase, RuBP, PGA, Phosphoglycolate, Mesophyll cells, Bundle sheath cells

    8.

    PGA, the first carbon dioxide fixation product was firstly discovered in

    A

    Chlorella

    B

    Scenedesmus

    C

    Spinach

    D

    Maize

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

    9.

    The type of carbon dioxide fixation seen in many succulent plant species is

    A

    C4{C_4}-pathway

    B

    C2{C_2}-pathway

    C

    CAM-pathway

    D

    C3{C_3}-pathway

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

    10.

    The oxygenation activity of RuBisCo.{\rm{RuBisCo}}{\rm{.}} enzyme in photorespiration leads to the formation of

    A

    2{\rm{2}} molecules of 3 − C{\rm{3}}\,{\rm{ - }}\,{\rm{C}} compound

    B

    1{\rm{1}} molecule of 3 − C{\rm{3}}\,{\rm{ - }}\,{\rm{C}} compound

    C

    1{\rm{1}} molecule of 6 − C{\rm{6}}\,{\rm{ - }}\,{\rm{C}} compound

    D

    1{\rm{1}} molecule of 4 − C{\rm{4}}\,{\rm{ - }}\,{\rm{C}} compound and 1{\rm{1}} molecule of 2 − C{\rm{2}}\,{\rm{ - }}\,{\rm{C}} compound

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :photorespiration, RuBisCO, oxygenation, carbon compounds

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