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Question

Choose the correct statements.
  1. Isogamy - identical gametes; Anisogamy - non identical gametes; Oogamy - non-motile male gametes; small motile female gamete
  2. Isogamy - identical gametes; Anisogamy - gametes identical only in shape; but not in size; Oogamy - large, non-motile female gamete, small motile male gamete
  3. Isogamy - identical gametes; Anisogamy - single female gamete; Oogamy - large, non-motile female gamete, small motile male gamete
  4. Isogamy - identical gametes; Anisogamy - non-identical gametes; Oogamy - large, non-motile female gamete, small motile male gamete


Solution

The correct option is D Isogamy - identical gametes; Anisogamy - non-identical gametes; Oogamy - large, non-motile female gamete, small motile male gamete
Algae are also classified based on the size and shape of the gametes.
When both the gametes are identical in shape, size and structure, the condition is known as isogamy.
When the gametes are different from each other, then the condition is known as anisogamy.
When the female gamete is large and non-motile and the male gamete is small and motile, it is oogamy.
 

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