Multiple choice

Most sponges can be classified on the basis of their canal systems. Which of the following types of canal system is present in Leucosolenia?

  1. Asconoid type

  2. Syncoid type

  3. Rhagon type

  4. Leuconoid type
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A Correct answer
Explanation

In Leucosolenia, asconoid type of canal system is found. In this, the water current reaches the spongocoel after passing through the ostia and goes out through the osculum.

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