1.

    A scientist isolates chloroplasts and provides them with 14CO2^{14}CO_2 in the dark. After a brief period, the 14C^{14}C is found predominantly in:

    A

    RuBP

    B

    3-PGA

    C

    Glucose

    D

    Triose phosphate

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Calvin Cycle, Carbon Fixation, Dark Reactions

    Related Questions

    1.

    With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?

    A

    Tomato is a greenhouse crop which can be grown in CO2C{O_2} enriched atmosphere for higher yield

    B

    Light saturation for CO2C{O_2} fixation occurs at 10% of full sunlight

    C

    Increasing atmospheric CO2C{O_2} concentration upto 0.05% can enhance CO2C{O_2} fixation rate

    D

    C3{C_3} plants responds to higher temperatures with enhanced photosynthesis while C4{C_4} plants have much lower temperature optimum

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :photosynthesis, factors affecting photosynthesis, CO2 concentration, light intensity, temperature effect on C3 and C4 plants

    2.

    I. It is the characteristic of C4−{C_4} - plants II. It is the characteristic of C3−{C_3} - -plants III. It occurs in chloroplast IV. It occurs in day time V. It occurs in night Select the correct options in relation to photorespiration Correct option Incorrect option

    A

    I, IV      II, III, IV

    B

    II, III, IV      I, V

    C

    I, II, III       IV, V

    D

    IV, V        I, II, III

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :photorespiration, C3 plants, C4 plants, chloroplast, photosynthesis

    3.

    I. In C3−{C_3} - plant, Calvin pathway takes place in mesophyll cell

    II. In C4−{C_4} - plant, Calvin pathway takes place in the mesophyll cell

    Which of the following statements true?

    Choose the correct option

    A

    Statement I is incorrect, II is correct

    B

    Statement II is incorrect, I is correct

    C

    Both incorrect

    D

    Both correct

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Photosynthesis, C3 plants, C4 plants, Calvin cycle, mesophyll cells, bundle sheath cells

    4.

    Chloroplast dimorphism is a characteristic feature of

    A

    Plants with Calvin cycle

    B

    C4−{C_4} - plants

    C

    All plants

    D

    Only in algae

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

    5.

    Kranz anatomy is the characteristics of

    A

    C5−{C_5} - plants

    B

    C3−{C_3} - plants

    C

    C2−{C_2} - plants

    D

    C4−{C_4} - plants

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

    6.

    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 :2 mins
    🔄Ncert Concepts :Photosynthesis, Stomata, C4 plants, Carbon fixation

    7.

    Photorespiration could easily be detected in

    A

    C3−{C_3} - plants

    B

    C4−{C_4} - plants

    C

    Both (a) and (b)

    D

    None of these

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

    8.

    Photorespiration could easily be detected in

    A

    C3−{C_3} - plants

    B

    C4−{C_4} - plants

    C

    Both (a) and (b)

    D

    None of these

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

    9.

    I. It is the characteristic of C4−{C_4} - plants II. It is the characteristic of C3−{C_3} - -plants III. It occurs in chloroplast IV. It occurs in day time V. It occurs in night Select the correct options in relation to photorespiration Correct option Incorrect option

    A

    I, IV      II, III, IV

    B

    II, III, IV      I, V

    C

    I, II, III       IV, V

    D

    IV, V        I, II, III

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

    10.

    Rubisco enzyme is absent in

    A

    Plants

    B

    Algae

    C

    Animals

    D

    Photosynthetic bacteria

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Photosynthesis, Rubisco enzyme, C3 plants, C4 plants, cell types

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