Algae: Classification and Characteristics · NCERT Biology

Sexual reproduction where a small, motile male gamete fuses with a large, non-motile female gamete is called:

  1. Isogamous
  2. Anisogamous
  3. Oogamous
  4. Zoogamous
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Correct answer: Oogamous

Oogamy is the fusion between one large, static female gamete (egg) and a smaller, usually motile male gamete (sperm). Examples include Volvox and Fucus.

Difficulty: Medium Question 18 of 20

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