1.

    If a plant is exposed to 14CO2^{14}CO_2 in the dark and then transferred to light, the 14C^{14}C label will appear first in which of the following carbohydrates?

    A

    Starch

    B

    Sucrose

    C

    Triose phosphates (glyceraldehyde-3-phosphate and dihydroxyacetone phosphate)

    D

    Fructose-1,6-bisphosphate

    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, Carbohydrate Synthesis

    Related Questions

    1.

    The first stable product of CO2C{O_2} fixation in Sorghum is

    A

    Succinic acid

    B

    Phosphoglyceric acid

    C

    Pyruvic acid

    D

    Oxaloacetic acid

    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, Carbon fixation, Plant biochemistry

    2.

    Which of the following is a 4-carbon compound?

    A

    Oxaloacetic acid

    B

    Phosphoglyceric acid

    C

    Ribulose bisphosphate

    D

    Phosphoenol pyruvate

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :biochemistry, organic chemistry, carbon compounds

    3.

    Both G3P and DHAP are?

    A

    Trioses

    B

    3 – Carbon compounds

    C

    Isomers

    D

    All

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Biochemistry, Carbohydrates, Isomers, Trioses

    4.

    Activator of ribulose biphosphate carboxylase oxygenase is

    A

    Mg2+M{g^{2 + }}

    B

    Zn2+Z{n^{2 + }}

    C

    Ca2+C{a^{2 + }}

    D

    SO24−S{O^2}_4 -

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

    5.

    In C4{C_4}-pathway, the first product identified was

    A

    3-PGA

    B

    OAA

    C

    2-PGA

    D

    1-3DPGA

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

    6.

    In Calvin cycle, the first product identified was

    A

    3-phosphoglyceric acid

    B

    2-phosphoglyceric acid

    C

    1-phosphoglyceric acid

    D

    4-phosphoglyceric acid

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

    7.

    Identify the 5-C compound from the given option

    A

    RuBP

    B

    OAA

    C

    3PGA

    D

    NADPH2_2

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

    8.

    Which of the following is a 4-carbon compound?

    A

    Oxaloacetic acid

    B

    Phosphoglyceric acid

    C

    Ribulose bisphosphate

    D

    Phosphoenol pyruvate

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Biochemistry, Carbon Compounds, Metabolic Pathways

    9.

    Adenosine diphosphate contains

    A

    Adenine, deoxyribose, and three phosphate groups

    B

    Guanine, ribose, and two phosphate groups

    C

    Adenine, ribose, and two phosphate groups

    D

    Cytosine, deoxyribose, and one phosphate group

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Photosynthesis in Higher Plants
    🎯Topic:Dark Phase
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Adenosine diphosphate, high energy bonds, biochemistry

    10.

    A wastage process is

    A

    Respiration

    B

    Photosynthesis

    C

    Photorespiration

    D

    Movement

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

    company logo

    NEET Subjects

    Our Bots

    Company