Single Choice

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

ANever occurs
BOccurs at time of gamete production
COccurs after fertilisation
Correct Answer
DOccurs during vegetative growth

Solution

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'.

SIMILAR QUESTIONS

Biological Classification

Isogamous condition with non-flagellated gametes is found in

Biological Classification

Which one of the following shows isogamy with non-flagellated gametes?

Biological Classification

Which of the following statements about Spirogyra is correct?

Biological Classification

Fertilisation is internal is spirogyra. Where would you get zygospores, if 3 filaments are conjugating by scalariform conjugation?

Biological Classification

Sexual reproduction of Spirogyra is an advanced feature as it shows

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