Column I
I. Hyaluronidase
II. Corpus luteum
III. Colostrum
IV. Antrum
Column II
(A) Graafian follicle
(B) Mammary gland
(C) Progesterone
(D) Acrosomal reaction

Options

A. I - B, II - A, III - D, IV - C
B. I - D, II - B, III - C, IV - A
C. I - D, II - C, III - B, IV - A
D. I - D, II - C, III - A, IV - B

Answer

To solve the question, we need to match the items in Column I with the correct items in Column II based on their definitions and functions. Here's the step-by-step solution:

### Step 1: Identify Hyaluronidase
- **Hyaluronidase** is an enzyme that is involved in the acrosomal reaction. It helps in breaking down the hyaluronic acid in the zona pellucida of the egg, allowing sperm to penetrate.
- **Match:** I. Hyaluronidase → (D) Acrosomal reaction

### Step 2: Identify Corpus Luteum
- **Corpus luteum** is formed from the remnants of the Graafian follicle after ovulation. It plays a crucial role in hormone production, particularly progesterone, which is essential for maintaining the uterine lining during early pregnancy.
- **Match:** II. Corpus luteum → (C) Progesterone

### Step 3: Identify Colostrum
- **Colostrum** is the first milk produced by the mammary glands after giving birth. It is rich in antibodies and provides essential nutrients to the newborn.
- **Match:** III. Colostrum → (B) Mammary gland

### Step 4: Identify Antrum
- **Antrum** refers to the fluid-filled cavity within the Graafian follicle. It is formed during the maturation of the follicle and is crucial for the development of the oocyte.
- **Match:** IV. Antrum → (A) Graafian follicle

### Final Matching
Now we can summarize the matches:
- I. Hyaluronidase → (D) Acrosomal reaction
- II. Corpus luteum → (C) Progesterone
- III. Colostrum → (B) Mammary gland
- IV. Antrum → (A) Graafian follicle

### Conclusion
The correct matches are:
1. I - D
2. II - C
3. III - B
4. IV - A

### Correct Option
The correct answer is option 3.

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