1.

    Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by

    A

    Bat

    B

    Water

    C

    Bee

    D

    Wind

    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 :pollination, flower morphology, wind pollination, adaptations

    Related Questions

    1.

    In orthotropous ovule, the micropyle and chalaza are

    A

    Oblique to funiculus

    B

    Parallel to funculus

    C

    At right angle to funiculus

    D

    In straight line with funiculus

    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 anatomy, ovule structure, orthotropous ovule

    2.

    The megasporangium within the ovule of an angiosperm is also known as the:

    A

    Integument

    B

    Funiculus

    C

    Nucellus

    D

    Micropyle

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Sexual Reproduction in Flowering Plants
    🎯Topic:Pre Fertilization Structure And Events
    PYQ YEAR: 2016
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Sexual Reproduction in Flowering Plants

    3.

    In angiosperms how many male gametes are produced by one meiosis in one PMC?

    A

    4

    B

    8

    C

    1

    D

    2

    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 :Meiosis, Microsporogenesis, Male gametes, Angiosperms

    4.

    Wind pollination is common in?

    A

    legumes

    B

    lilies

    C

    grasses

    D

    orchids

    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, wind pollination, plant reproduction

    5.

    The Intine of a pollen grain is mainly made up of?

    A

    cellulose, pectin

    B

    lipid, pectin

    C

    pectin, lignin

    D

    lignin, cutin

    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 cell structure, pollen grain anatomy, cell wall components

    6.

    Pollen tube enters through

    A

    Filiform apparatus

    B

    Synergid cells

    C

    Antipodal cells

    D

    Chalazal cells

    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 reproduction, Pollen tube guidance, Flower anatomy

    7.

    Pollen grains can cause

    A

    Bronchial afflications

    B

    Asthma

    C

    Bronchitis

    D

    All 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 :Allergens, Respiratory System, Pollen

    8.

    Approximate diameter of pollen grain is

    A

    25-50 micrometer

    B

    50-75 micrometer

    C

    75-100 micrometer

    D

    25-35 micrometer

    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 :Pollen grain size, Micrometry, Biology

    9.

    Which of the following is incorrect in angiosperm?

    A

    Double fertilization

    B

    Presence of vessels in xylem

    C

    Ovules enclosed in ovary

    D

    Free-living gametophyte

    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 :Ploidy, Angiosperm Life Cycle, Gametophyte, Sporophyte

    10.

    The phenomenon in which, anther and stigma grow and mature at same time is called

    A

    Homogamy

    B

    Syngamy

    C

    Allogamy

    D

    Fusion

    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 reproduction, flower anatomy, pollination

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