1.

    A researcher is studying the effect of temperature on the rate of photosynthesis in a particular plant species. Which temperature range would likely show the HIGHEST rate of photosynthesis?

    A

    0°C−10°C0°C - 10°C

    B

    25°C−35°C25°C - 35°C

    C

    40°C−50°C40°C - 50°C

    D

    −5°C−5°C-5°C - 5°C

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    PYQ YEAR: 2017
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Photosynthesis, Enzymes, Temperature

    Related Questions

    1.

    In the C4C_4 photosynthetic pathway of sugarcane, the primary product of CO2CO_2 fixation is:

    A

    3-phosphoglycerate

    B

    Malate

    C

    Oxaloacetic acid

    D

    Ribulose-1,5-bisphosphate

    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

    2.

    How many molecules of glycine is required to release one CO2C{O_2} molecule in photorespiration?

    A

    One

    B

    Two

    C

    Three

    D

    Four

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :photorespiration, glycine decarboxylation, carbon dioxide release

    3.

    The most crucial step of Calvin cycle

    A

    Involves usage of NADPH molecule

    B

    Is catalysed by RuBisCO

    C

    Is regeneration of substrate

    D

    Involves usage of ATP

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

    4.

    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, Photosynthesis, C4 Photosynthesis

    5.

    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

    6.

    In C3{C_3} cycle for the fixation of every Co2C{o_2} molecules, the reduction and regeneration steps required

    A

    3 ATP and 2 NADPH for reduction, and 3 ATP for regeneration

    B

    2 ATP and 2 NADPH for reduction, and 1 ATP for regeneration

    C

    1 ATP and 1 NADPH for reduction, and 2 ATP for regeneration

    D

    2 ATP and 1 NADPH for reduction, and 2 ATP for regeneration

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :C3 cycle, carbon fixation, ATP, NADPH

    7.

    The net requirement of assimilatory power for the formation of 6 hexose molecules in maize plant is

    A

    72 ATP, 48 NADPH

    B

    90 ATP, 60 NADPH

    C

    108 ATP, 72 NADPH

    D

    180 ATP, 72 NADPH

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Photosynthesis, Calvin cycle, ATP, NADPH, Hexose synthesis, C4 pathway

    8.

    Which of the following statements regarding C4−{C_4} - plants is false?

    A

    The primary CO2C{O_2} acceptor is a 5-carbon molecule

    B

    The initial carboxylation reaction occurs in Mesophyll

    C

    The leaves that fix CO2C{O_2} have two cell types

    D

    The Mesophyll cells lack Rubisco enzyme

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :C4 Photosynthesis, Carbon Fixation, Plant Anatomy, Enzyme Function

    9.

    During photosynthesis, where do the light-independent reactions (Calvin cycle) occur?

    A

    Thylakoid membranes

    B

    Grana

    C

    Stroma

    D

    Cytoplasm

    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, Light-independent reactions, Calvin cycle

    10.

    How many molecules of RuBP are required to produce 20 molecules of serine in photorespiration?

    A

    20

    B

    40

    C

    60

    D

    80

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :photorespiration, RuBP, serine, stoichiometry

    company logo

    NEET Subjects

    Our Bots

    Company