1.

    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 :C4 photosynthesis, plant anatomy, Kranz anatomy

    Related Questions

    1.

    How many molecules of ATP and NADPH are required to fix one molecule of CO2CO_2 in the Calvin cycle?

    A

    2 ATP and 3 NADPH

    B

    3 ATP and 2 NADPH

    C

    1 ATP and 2 NADPH

    D

    2 ATP and 1 NADPH

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    PYQ YEAR: 2024
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photosynthesis, Calvin Cycle

    2.

    The enzyme responsible for fixing CO2\rm{CO_2} to PEP in C4 plants is:

    A

    RuBisCORuBisCO

    B

    PEPcarboxylasePEP carboxylase

    C

    ATPsynthaseATP synthase

    D

    NADPreductaseNADP reductase

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    PYQ YEAR: 2017
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photosynthesis, C4 pathway, Enzymes

    3.

    In C4−{C_4} - plants, the carbon dioxide fixation accurs in

    A

    Mesophyll cells and bundle sheath cells

    B

    Mesophyll cells only

    C

    Bundle sheath cells only

    D

    Epidermal cells and guard 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, carbon fixation

    4.

    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

    5.

    The mechanism of ATP formation both in chloroplast and mitochondria is explained by

    A

    Relay pump theory of Godlewski

    B

    Cholodny-Went’s model

    C

    Chemiosmotic theory

    D

    Munch’s mass-flow hypothesis

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

    6.

    In the Calvin cycle, for every three molecules of CO2CO_2 fixed, how many molecules of ATP and NADPH are required?

    A

    9 ATP and 6 NADPH

    B

    6 ATP and 9 NADPH

    C

    3 ATP and 2 NADPH

    D

    18 ATP and 12 NADPH

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    PYQ YEAR: 2023
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Photosynthesis, Calvin Cycle, ATP, NADPH

    7.

    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

    8.

    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

    9.

    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, Calvin cycle

    10.

    If the light becomes unavailable during photosynthesis then

    A

    Immediately biosynthetic process stops

    B

    Biosynthetic phase does not stops

    C

    Biosynthetic phase stopes forever

    D

    Biosynthetic phase continues for some time and then stops

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :photosynthesis, light-dependent reactions, light-independent reactions, energy storage

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