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Question

Sometimes the two filaments of Spirogyra exihibit a ladder like structure. It is characteristic of

A
Conjugation
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B
Lateral conjugation
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C
Asexual reproduction
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D
Scalariform conjugation
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Solution

The correct option is D Scalariform conjugation
Scalariform conjugation involves two filaments of spirogyra and takes place between two recently formed cells. It occurs in three phases, such as maturation phase, gametic union phase, zygospore contraction phase.

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