Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:
- APharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum
- BPharynx → Oesophagus → Gizzard → Crop → Ileum → Colon → Rectum
- CPharynx → Oesophagus → Gizzard → Ileum → Crop → Colon → Rectum
- DPharynx → Oesophagus → Ileum → Crop → Gizzard → Colon → Rectum
Solution & Step-by-step Explanation
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The alimentary canal of a cockroach is divided into foregut, midgut, and hindgut. The correct sequence is:
Mouth → Pharynx → Oesophagus → Crop (for food storage) → Gizzard/Proventriculus (for grinding) → Ileum → Colon → Rectum.
The alimentary canal of a cockroach is divided into foregut, midgut, and hindgut. The correct sequence is:
Mouth → Pharynx → Oesophagus → Crop (for food storage) → Gizzard/Proventriculus (for grinding) → Ileum → Colon → Rectum.