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If a T.S, is oblique cut through 20th se...

If a T.S, is oblique cut through 20th segment of Pheretima is will contain

A

Intestinal cacea

B

Prostate gland

C

Intestine

D

Both 2 and 3

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding what a transverse section (T.S.) through the 20th segment of Pheretima (earthworm) will contain, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Structure of Pheretima**: - Pheretima, commonly known as the earthworm, has a segmented body. Each segment contains various organs and structures. 2. **Identify the Segment in Question**: - The question specifies the 20th segment of the earthworm. We need to focus on the anatomical features present in this segment. 3. **Locate the Prostate Glands**: - The prostate glands in Pheretima extend from the 16th to the 21st segment. Since the 20th segment falls within this range, it will contain parts of the prostate glands. 4. **Identify the Intestine**: - The intestine of the earthworm is a wide tube that runs through the body and is divided into regions. The post-typhlosole region of the intestine is located from the 15th to the 26th segment. Therefore, the 20th segment will also contain a portion of the intestine. 5. **Conclusion**: - Thus, a transverse section through the 20th segment of Pheretima will contain both the prostate glands and the intestine. ### Final Answer: A T.S. through the 20th segment of Pheretima will contain the prostate gland and the intestine. ---
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