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Biology · ANIMAL KINGDOM

हिन्दी

Examine the diagrammatic sectional views of body cavities shown in Figure 4.3. Identify (a), (b), and (c) and select the correct option.

  1. Pseudocoelomate (Aschelminthes), (b) Coelomate (Annelids), (c) Acoelomate (Platyhelminthes)
  2. Coelomate (Annelids to Chordates), (b) Pseudocoelomate (Aschelminthes), (c) Acoelomate (Platyhelminthes)
  3. Coelomate (Annelids), (b) Acoelomate (Platyhelminthes), (c) Pseudocoelomate (Aschelminthes)
  4. Acoelomate (Platyhelminthes), (b) Pseudocoelomate (Aschelminthes), (c) Coelomate (Annelids)

Correct answer · Option 2

Coelomate (Annelids to Chordates), (b) Pseudocoelomate (Aschelminthes), (c) Acoelomate (Platyhelminthes)

Explanation

In Figure 4.3, (a) represents a true coelom lined by mesoderm (Coelomate), (b) represents mesodermal pouches scattered between ectoderm and endoderm (Pseudocoelomate), and (c) represents absence of body cavity (Acoelomate).
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