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Arrange the parts of alimentary canal of...

Arrange the parts of alimentary canal of cockroach in correct order : I. Stomodaeal valve. II. Crop. III. Ileum. IV Proventriculus. V. Mesenteron. VI. Colon.

A

`{:(,"IV",to,"II",to,"V",to,"I",to,"III",to,"VI"):}`

B

`{:(,"IV",to,"II",to,"I",to,"III",to,"VI",to,"V"):}`

C

`{:(,"II",to,"IV",to,"I",to,"V",to,"III",to,"VI"):}`

D

`{:(,"II",to,"IV",to,"I",to,"III",to,"V",to,"VI"):}`

Text Solution

AI Generated Solution

The correct Answer is:
To arrange the parts of the alimentary canal of a cockroach in the correct order, we need to understand the structure and sequence of the different parts. The alimentary canal of a cockroach is divided into three main sections: the foregut, midgut, and hindgut. Here is the step-by-step arrangement: ### Step-by-Step Solution: 1. **Identify the Sections**: The alimentary canal consists of three parts: - Foregut - Midgut - Hindgut 2. **List the Parts**: The parts mentioned in the question are: - I. Stomodaeal valve - II. Crop - III. Ileum - IV. Proventriculus - V. Mesenteron - VI. Colon 3. **Order of Foregut**: The foregut includes: - Mouth cavity (not listed) - Pharynx (not listed) - Esophagus (not listed) - Crop (II) - Proventriculus (IV) So, the first two parts in the order are: - Crop (II) - Proventriculus (IV) 4. **Midgut**: The midgut consists of: - Mesenteron (V) - Ileum (III) So, the next parts in the order are: - Mesenteron (V) - Ileum (III) 5. **Hindgut**: The hindgut consists of: - Colon (VI) So, the last part in the order is: - Colon (VI) 6. **Final Arrangement**: Combining all the parts in the correct order, we have: - Crop (II) - Proventriculus (IV) - Stomodaeal valve (I) - This is the valve between the foregut and midgut. - Mesenteron (V) - Ileum (III) - Colon (VI) ### Correct Order: - II. Crop - IV. Proventriculus - I. Stomodaeal valve - V. Mesenteron - III. Ileum - VI. Colon ### Final Answer: The correct order of the parts of the alimentary canal of a cockroach is: II, IV, I, V, III, VI. ---
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