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Question

In Spirogyra, asexual reproduction takes place by:
  1. Breaking up of fragments into smaller bits.
  2. Division of a cell into two cells.
  3. Division of a cell into many cells.
  4. Formation of young cells from older cells.

A
Division of a cell into two cells.
B
Breaking up of fragments into smaller bits.
C
Division of a cell into many cells.
D
Formation of young cells from older cells.
Solution
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Spirogyra reproduces asexually by fragmentation and sexually by conjugation. In the fragmentation method, Spirogyra breaks into two or more segments and each segment forms a new organism.

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Q1
Question 8
In Spirogyra, asexual reproduction takes place by

(a) breaking up of filaments into smaller bits
(b) division of a cell into two cells
(c) division of a cell into many cells
(d) formation of young cells from older cells
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Q2

In Spirogyra, asexual reproduction takes place by :
(a) division of a cell into two cells.
(b) breaking up of filaments into smaller bits.
(c) division of a cell into many cells.
(d) formation of a large number of buds.

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The division of a cell into several cells during reproduction in plasmodium is called as
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Q4
In a prokaryotic cell, cell division takes place by .......................... type of reproduction.
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Q5
.......... results in division of a cell into four cells.
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