Other than spirogyra, fragmentation also occurs in
A
Amoeba
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B
Hydra
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C
Planaria
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D
None of the above
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Solution
The correct option is C Planaria Fragmentation is defined as the process of breaking up of parent animal into small parts, each of which can grow into a new complete individual. This process of asexual reproduction is found in planaria and hydra. Planaria can be cut into pieces, and each piece can regenerate into a complete organism. Cells at the location of the wound site proliferate to form a blastema that will differentiate into new tissues and regenerate the missing parts of the piece of the cut planaria. So the correct option is "Planaria".