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Topic: Frog: morphology and anatomy· Structural Organisation in Animals and Plants

Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth :

1. Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum

2. Pharynx → Oesophagus → Gizzard → Crop → Ileum → Colon → Rectum

3. Pharynx → Oesophagus → Gizzard → Ileum → Crop → Colon → Rectum

4. Pharynx → Oesophagus → Ileum → Crop → Gizzard → Colon → Rectum

1 answer

Best answer

Answer: 1. Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum

The cockroach alimentary canal runs: mouth, pharynx, oesophagus, crop (stores food), gizzard (grinds food), mid-gut, hind-gut (ileum, colon, rectum), anus.

Only option 1 has crop before gizzard and the correct hind-gut order.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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