1.

    The pink color inside a root nodule is due to the presence of:

    A

    Chlorophyll

    B

    Anthocyanin

    C

    Leghaemoglobin

    D

    Carotenoids

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Root Nodule Formation, Nitrogen Fixation, Leghaemoglobin

    Related Questions

    1.

    Which element is converted into a usable form for plants within root nodules?

    A

    Phosphorus

    B

    Potassium

    C

    Nitrogen

    D

    Sulfur

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Root Nodule Formation, Nitrogen Fixation

    2.

    The function of leghaemoglobin in the root nodules of legumes is

    A

    Oxygen removal

    B

    Nodule differentiation

    C

    Expression of nif gene

    D

    Inhibibition of nitrogenase activity

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Leghaemoglobin, Root nodules, Nitrogen fixation, Oxygen

    3.

    VAM is

    A

    Ectomycorrhizae

    B

    Endomycorrhizae

    C

    Both (a) and (b)

    D

    Ectoendomycorrhizae

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Mycorrhizae, VAM, Ectomycorrhizae, Endomycorrhizae

    4.

    Root nodules in Alnus is formed by.

    A

    Rhizobium

    B

    Azospirillum

    C

    Frankia

    D

    Clostridium

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Nitrogen fixation, Root nodule formation, Actinobacteria

    5.

    Which of these is NOT a characteristic feature of the root nodules formed during legume-rhizobia symbiosis?

    A

    Presence of chloroplasts in bacteroids

    B

    Presence of leghemoglobin

    C

    Differentiated bacteroids

    D

    Reduced oxygen concentration

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Root Nodule Formation, Nitrogen Fixation

    6.

    The product (s)\left( {\rm{s}} \right) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are{\rm{is / are}}

    A

    Ammonia alone

    B

    Nitrate alone

    C

    Ammonia and oxygen

    D

    Ammonia and hydrogen

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Nitrogen fixation, Nitrogenase enzyme, Leguminous plants, Root nodules

    7.

    The relationship between Rhizobium bacteria and leguminous plants is an example of:

    A

    Parasitism

    B

    Commensalism

    C

    Symbiosis

    D

    Predation

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Root Nodule Formation, Symbiosis, Nitrogen Fixation

    8.

    Which one of the following is an amide involved in nitrogen assimilitaion by plants?

    A

    Glutamate

    B

    Alanine

    C

    Asparagine

    D

    Serine

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Nitrogen assimilation, Amides, Amino acids

    9.

    Nitrogenase catalyzes the conversion of atmospheric nitrogen into which compound in the root nodules of leguminous plants?

    A

    Ammonia

    B

    Nitrite

    C

    Nitrate

    D

    Dinitrogen

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    PYQ YEAR: 2020
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :nitrogen_fixation, nitrogen_cycle, enzyme_catalysis

    10.

    Leg haemoglobin acts as?

    A

    Oxygen scavenger

    B

    N2{N_2} scavenger

    C

    Oxygen delivery agent

    D

    none of the above

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Root Nodule Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Leghemoglobin, Oxygen binding, Nitrogen fixation

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