1.

    Which one of the following is resistant to enzyme action?

    A

    Cork

    B

    Wood fibre

    C

    Pollen exine

    D

    Leaf cuticle

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Enzyme action, Biological polymers, Plant cell structures

    Related Questions

    1.

    Which of these is NOT directly involved in gametogenesis?

    A

    Mitosis

    B

    Meiosis

    C

    Seed dispersal

    D

    Differentiation

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Gametogenesis, Mitosis, Meiosis, Differentiation

    2.

    For the formation of tetrasporic embryo sac, how many megaspore mother cells are required?

    A

    One

    B

    Two

    C

    Three

    D

    Four

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :megasporogenesis, tetrasporic embryo sac development

    3.

    During the formation of embryo sac, the functional megaspore undergoes

    A

    Two mitotic divisions

    B

    Two meiotic divisions

    C

    Three meiotic divisions

    D

    Three mitotic divisions

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Embryo sac development, Megasporogenesis, Mitosis, Meiosis

    4.

    Find out the odd one.

    A

    Micropyle

    B

    Embryo sac

    C

    Nucellus

    D

    Pollen grain

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Plant reproduction, floral structures, ovule structure, pollen

    5.

    Pollen kit is present in?

    A

    anemophily

    B

    entomophily

    C

    malacophily

    D

    zoophily

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :pollination, pollen adaptation

    6.

    Which of the following perform microsporogenesis?

    A

    Microspore mother cell

    B

    Pollen mother cell

    C

    Both (a) and (b)

    D

    None of these

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :microsporogenesis, microspore mother cell, pollen mother cell

    7.

    Ovule of Opuntia is called and turn at more than 3600{360^0} angle is called

    A

    circinotropous

    B

    anatropous

    C

    hemitropous

    D

    amphitropous

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :plant morphology, ovule types, angiosperm reproduction

    8.

    The inner most layer of microsporangium is

    A

    Tapetum

    B

    Endothecium

    C

    Middle layer

    D

    Epidermis

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Microsporangium, Plant Anatomy, Tapetum

    9.

    Cells of innermost layer of anther

    A

    Have a-cellulosic fibrous band

    B

    Do not degenerate

    C

    Nourish the developing pollen grains

    D

    Help in dehiscence of anther

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Anther structure, Tapetum function, Pollen development

    10.

    Find out the odd one.

    A

    Micropyle

    B

    Embryo sac

    C

    Nucellus

    D

    Pollen grain

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Plant Reproduction, Flower Anatomy, Ovule Structure

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