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What is mitotic apparatus? Discuss the d...

What is mitotic apparatus? Discuss the differences between mitotic apparatus of a dividing plant cell and a dividing animal cell.
OR
Write a note on significance of meiosis.

Text Solution

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Mitotic apparatus is formed of spindle fibres and asters. Mitotic apparatus of a dividing plant cell is anastral (without asters) while that of a dividing animal cell is amphiastral (with one aster at each pole).
OR
(i) Produces haploid gametes for sexual reproduction.
(ii) Produces new combination of genes so produces variability which lelp in evolution and improvienl of racce.
(iii) Proves interrelationship between organisms.
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Write a note on mitotic apparatus.

Distinguish between the mitotic cell division in plant cell and that in animal cell.

Knowledge Check

  • Dividing animal cells become nearly rounded in

    A
    Interphase
    B
    Early prophase
    C
    Late prophase
    D
    Metaphase

  • Plant cell differs from animals cell by

    A
    Presence of vacuoles
    B
    Presence of cell wall and chloroplast
    C
    Absence of cell wall
    D
    Absence of chloroplast.

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