Multiple choice

In spirogyra, gametes are nonflagellated. During conjugation:

  1. only the male gamete move by amoeboid movement due to the activity of contractile vacuoles

  2. only the female gametes show amoeboid movement

  3. conjugation tube is formed, and both male and female gametes move

  4. both gametes undergo parthenogenesis
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A Correct answer
Explanation

In spirogyra, gametes are nonflagellated. During conjugation, only the male gamete moves by amoeboid movement due to the activity of contractile vacuoles.

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