Which of the components of human semen are correctly matched with the glands that secrete it ?
(i) citric acid - prostate gland
(ii) Fibrinogen - Seminal vesicle
(iii) prostaglandins - prostate gland
(iv) Fructose - seminal vesicle

Options

A. i, ii, iii and iv
B. ii, iii and iv
C. ii and iv
D. i,ii and iv

Answer

To solve the question regarding the components of human semen and their corresponding glands, we will analyze each option step by step.

### Step 1: Analyze the first option
**(i) Citric acid - Prostate gland**
- The prostate gland is known to secrete citric acid, which is a component of the seminal fluid. This option is **correct**.

### Step 2: Analyze the second option
**(ii) Fibrinogen - Seminal vesicle**
- The seminal vesicles secrete fibrinogen, which is involved in the coagulation of semen. This option is **correct**.

### Step 3: Analyze the third option
**(iii) Prostaglandins - Prostate gland**
- Prostaglandins are primarily secreted by the seminal vesicles, not the prostate gland. This option is **incorrect**.

### Step 4: Analyze the fourth option
**(iv) Fructose - Seminal vesicle**
- Fructose is indeed secreted by the seminal vesicles and serves as an energy source for sperm. This option is **correct**.

### Conclusion
Based on the analysis:
- (i) Citric acid - Prostate gland: **Correct**
- (ii) Fibrinogen - Seminal vesicle: **Correct**
- (iii) Prostaglandins - Prostate gland: **Incorrect**
- (iv) Fructose - Seminal vesicle: **Correct**

Thus, the components of human semen that are correctly matched with their glands are (i), (ii), and (iv). Therefore, the correct answer is option **fourth** (i, ii, and iv).