Caruncle is formed by

Options

A. Peduncle
B. Cotyledons
C. Integument
D. Perisperm

Answer

### Step-by-Step Solution:

1. **Understanding the Term "Caruncle":**
- A caruncle is an outgrowth that is typically found in certain seeds and ovules. It plays a role in the seed's attachment to the ovary wall and can aid in the dispersal of seeds.

2. **Identifying the Structure:**
- The caruncle is specifically an outgrowth of the external integument of the ovule. The integument is the outer layer that protects the ovule.

3. **Locating the Caruncle:**
- The caruncle is located at the micropyle region of the ovule. The micropyle is the opening through which the pollen tube enters during fertilization.

4. **Associating with the Right Family:**
- The caruncle is particularly associated with the ovules of the U4BAC family, which is a classification of certain flowering plants.

5. **Conclusion:**
- Based on the information, the correct answer to the question "Caruncle is formed by" is **integument**.