Collar like outgrowth arising from the base of ovule and forming is a sort of third integument is known as

Options

A. Coma
B. Caruncle
C. Aril
D. Operaculum

Explanation

To solve the question regarding the collar-like outgrowth arising from the base of the ovule that forms a third integument, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for a specific structure related to the ovule in flowering plants. We need to identify the name of the collar-like outgrowth that acts as a third integument.

2. **Identifying the Options**: The video transcript mentions several options:
- A structure called "caron kill" (which is likely a misspelling of "caruncle").
- A description of the caron kill as a white spongy outgrowth from the micropyle.
- The caron kill being described as a tuft of hair.
- Lastly, the correct identification of the caron kill as a collar-like outgrowth from the base of the ovule.

3. **Analyzing the Correct Option**: Based on the transcript, the correct answer is identified as the "caron kill," which is described as a collar-like outgrowth from the base of the ovule. This aligns with the definition of a caruncle in botanical terms.

4. **Final Answer**: The collar-like outgrowth arising from the base of the ovule and forming a third integument is known as the **caruncle**.