Question

The following are the parts of alimentary canal of cockroach:
I. Colon,
II. Mesenteron,
III. Crop,
IV. Gizzard,
V. Ileum,
VI. Rectum,
VII. Oesophagus
Arrange them in the correct sequence

• A. VII, III, IV, V, II, I, VI
• B. VI, I, V, II, IV, III, VII
• C. III, IV, VII, I, II, V, VI
• D. VII, III, IV, II, V, I, VI

Hint:

Remember the sequence: Oesophagus → Crop → Gizzard → Ileum → Mesenteron → Colon → Rectum. Visual diagrams help in memorizing insect digestive system.

Answer 1

The Correct Option is A

The correct alimentary canal sequence of cockroach is: Oesophagus (VII) → Crop (III) → Gizzard (IV) → Ileum (V) → Mesenteron (II) → Colon (I) → Rectum (VI).