Seminal plasma, the fluid part of semen, is contributed by
(i) seminal vesicle (ii) prostate
(iii) urethra (iv) bulbourethral gland

Options

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

Explanation

To solve the question regarding which structures contribute to the seminal plasma, we can break it down step by step:

### Step 1: Understand what seminal plasma is
Seminal plasma is the fluid part of semen, which is composed of various secretions from male reproductive glands. It provides a medium for sperm to swim and contains nutrients and enzymes that support sperm function.

**Hint:** Remember that seminal plasma is different from sperm; it's the fluid that carries the sperm.

### Step 2: Identify the glands that contribute to seminal plasma
The seminal plasma is primarily produced by three accessory glands in the male reproductive system:
1. **Seminal Vesicles** - These glands produce a significant portion of the seminal fluid, including fructose, which provides energy for sperm.
2. **Prostate Gland** - This gland contributes additional fluids that help to nourish and protect sperm.
3. **Bulbourethral Glands (Cowper's Glands)** - These glands secrete a pre-ejaculatory fluid that helps to lubricate the urethra and neutralize acidity.

**Hint:** Focus on the accessory glands that produce secretions contributing to the fluid part of semen.

### Step 3: Analyze the options given in the question
The options provided are:
(i) Seminal vesicle
(ii) Prostate
(iii) Urethra
(iv) Bulbourethral gland

From our understanding:
- (i) Seminal vesicle: **Contributes to seminal plasma** (Correct)
- (ii) Prostate: **Contributes to seminal plasma** (Correct)
- (iii) Urethra: **Does not contribute to seminal plasma** (Incorrect)
- (iv) Bulbourethral gland: **Contributes to seminal plasma** (Correct)

**Hint:** Identify which of the options are glands that contribute to the seminal fluid.

### Step 4: Determine the correct answer
Based on the analysis, the glands that contribute to seminal plasma are the seminal vesicle, prostate, and bulbourethral gland. Therefore, the correct answer includes options (i), (ii), and (iv).

**Hint:** Look for the combination of glands that produce the fluid part of semen.

### Final Answer
The correct answer is: **(i) Seminal vesicle, (ii) Prostate, and (iv) Bulbourethral gland.**