Sexual reproduction in Spirogyra involves

Isogamy

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Fusion of two similar motile gametes, which are physiologically dissimilar

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Fusion of smaller male gamete and larger female gamete

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Both A and C

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Solution

The correct option is A Isogamy
Sexual reproduction of Spirogyra involves conjugation, which may be defined as a primitive type of isogamy called aplanogametic isogamy. In this type of isogamy, the entire protoplasmic contents of vegetative cells (i.e., Gametangia) function as gametes.

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Sexual reproduction in Spirogyra involves

The correct option is A IsogamySexual reproduction of Spirogyra involves conjugation, which may be defined as a primitive type of isogamy called aplanogametic isogamy. In this type of isogamy, the entire protoplasmic contents of vegetative cells (i.e., Gametangia) function as gametes.

The correct option is A Isogamy
Sexual reproduction of Spirogyra involves conjugation, which may be defined as a primitive type of isogamy called aplanogametic isogamy. In this type of isogamy, the entire protoplasmic contents of vegetative cells (i.e., Gametangia) function as gametes.