1.

    A mutant plant exhibits stunted root growth and reduced gravitropic response. Microscopic analysis reveals disorganized columella cells in the root cap. Which of the following is the MOST likely cause of this phenotype?

    A

    Increased production of cytokinin in the root tip

    B

    Disruption of amyloplast sedimentation and auxin redistribution

    C

    Overexpression of genes involved in cell elongation

    D

    Enhanced sensitivity to ethylene

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Morphology of Flowering Plants
    🎯Topic:Root
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Root cap, gravitropism, amyloplasts, auxin

    Related Questions

    1.

    Which of the following plants has haustorial roots?

    A

    Pea

    B

    Trapa

    C

    Lily

    D

    Cuscuta

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Morphology of Flowering Plants
    🎯Topic:Root
    🎓 Ncert Level:Remembering
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :plant morphology, root adaptations, haustorial roots

    2.

    Sucking roots are present in the plant

    A

    Betel

    B

    Cuscuta

    C

    Mangifera

    D

    Solanum

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Morphology of Flowering Plants
    🎯Topic:Root
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Plant morphology, parasitic plants, root adaptations

    3.

    Roots found in Taeniophyllum are

    A

    Tuberous

    B

    Photosynthetic Roots

    C

    Nodular

    D

    Pneumatophores

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Morphology of Flowering Plants
    🎯Topic:Root
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Plant Morphology, Root Adaptations, Taeniophyllum

    4.

    Clinging roots are found in

    A

    Orchids

    B

    Trapa

    C

    Podostemon

    D

    Screw Pine

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Morphology of Flowering Plants
    🎯Topic:Root
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Plant Morphology, Root Adaptations

    5.

    Clinging roots are found in

    A

    Orchids

    B

    Trapa

    C

    Podostemon

    D

    Screw Pine

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Morphology of Flowering Plants
    🎯Topic:Root
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Plant morphology, Root adaptations

    6.

    Roots found in Taeniophyllum are

    A

    Tuberous

    B

    Photosynthetic Roots

    C

    Nodular

    D

    Pneumatophores

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Morphology of Flowering Plants
    🎯Topic:Root
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Plant Morphology, Root Adaptations, Taeniophyllum

    7.

    Floating roots are the characteristic feature of

    A

    Viscum

    B

    Cuscuta

    C

    Vanda

    D

    Jussiaea

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Morphology of Flowering Plants
    🎯Topic:Root
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Plant Morphology, Root Adaptations

    8.

    The photosynthetic or assimilatory roots are observed in

    A

    Tinospora and some epiphytic orchids

    B

    Cuscuta and Viscum

    C

    Taeniophyllum and Trapa

    D

    Vanda and Drosera

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Morphology of Flowering Plants
    🎯Topic:Root
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Plant Morphology, Root Adaptations, Photosynthesis

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