Spirogyra is a sexually reproducing alga in which vegetative thallus is haploid. In Spirogyra, meiosis.

Never occurs

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Occurs at time of gamete production

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Occurs after fertilisation

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Occurs during vegetative growth

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Solution

The correct option is C Occurs after fertilisation
Spirogyra is a sexually reproducing alga in which vegetative thallus is haploid. It shows a haplontic life cycle. In Spirogyra, meiosis occurs after fertilization has taken place.
So, the correct answer is 'Occurs after fertilisation'.

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Similar questions

A multicelluar, filamentous alga exhibits a type of a sexual life cycle in which the meiotic division occurs after the formation of zygote. The ad adult filament of this alga has
(a) Haploid vegetative cells and diploid gametangia
(b) Haploid vegetative cells and diploid gametangia
(c) Diploid vegetative cells and haploid gametangia
(d) Haploid vegetative cells and haploid gametangia

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(ii) Spirogyra

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Spirogyra is a sexually reproducing alga in which vegetative thallus is haploid. In Spirogyra, meiosis.

The correct option is C Occurs after fertilisationSpirogyra is a sexually reproducing alga in which vegetative thallus is haploid. It shows a haplontic life cycle. In Spirogyra, meiosis occurs after fertilization has taken place.So, the correct answer is 'Occurs after fertilisation'.

The correct option is C Occurs after fertilisation
Spirogyra is a sexually reproducing alga in which vegetative thallus is haploid. It shows a haplontic life cycle. In Spirogyra, meiosis occurs after fertilization has taken place.
So, the correct answer is 'Occurs after fertilisation'.