Single Choice

Sexual reproduction of Spirogyra is an advanced feature as it shows

ADifferent sizes of motile sex organs
BSame size of motile sex organs
CMorphologically different sex organs
DPhysiologically different sex organs
Correct Answer

Solution

The sexual reproduction in Spirogyra takes place by a process of conjugation, in which two filaments or opposite strains (positive and negative) which are lying side by side are joined by conjugation tubes, and then produce zygospore.

The correct answer is D.

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

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

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