In Pheretima, lymph glands lie in the segments -

Options

A. 4, 5 and 6
B. 7, 8 and 9
C. 14, 15 and 16
D. 26th and behind

Answer

To determine the segments in which lymph glands lie in Pheretima (earthworm), we can follow these steps:

### Step 1: Understand the Structure of Pheretima
Pheretima, commonly known as the earthworm, has a segmented body structure. Each segment can have specific organs and glands.

**Hint:** Remember that earthworms have a segmented body plan, which means that different segments can have different functions and structures.

### Step 2: Identify the Location of Lymph Glands
The lymph glands in Pheretima are known to be located in specific segments. According to the information provided, these glands are associated with the dorsal blood vessels.

**Hint:** Focus on the segments that are typically mentioned in relation to lymphatic structures in earthworms.

### Step 3: Analyze the Options Given
The options provided in the question are:
- A) 4, 5, 6
- B) 7, 8, 9
- C) 14, 15, 16
- D) 26 and behind

From the video transcript, it is indicated that the lymph glands are located in the 26th segment and extend to the last segment of the earthworm.

**Hint:** Pay attention to the specific segments mentioned in the context of lymph glands.

### Step 4: Confirm the Correct Answer
Based on the information gathered, the correct answer is option D, which states that the lymph glands lie in the 26th segment and behind that (in the last segment).

**Hint:** Always cross-reference the information you have with the options provided to ensure accuracy.

### Final Answer
The lymph glands in Pheretima lie in segment 26 and behind that.