Question

Seminal plasma, the fluid part of semen, is contributed by.
i.Seminal vesicle
ii.Prostate gland
iii.Urethra
iv.Bulbourethral gland

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

Answer 1

The correct option is B i, ii and iv

Seminal plasma

Seminal plasma is formed by the secretions of the accessory glands of the male reproductive system and is rich in fructose, calcium and certain enzymes.

Seminal vesicle

Seminal vesicles are a pair of accessory glands of the male reproductive system which are located at the base of the urinary bladder. It secretes alkaline secretion which forms 60% of the semen.

Prostate gland

Prostate gland is an accessory gland that surrounds the urethra and its secretion forms 25% of the semen. Its secretion nourishes and activates the sperms.

Urethra

Urethra arises from the urinary bladder and opens to the outside through the urethral meatus. In human males, it is the common pathway for urine and semen.

Bulbourethral glands

Bulbourethral glands are accessory glands that produce an alkaline secretion which neutralizes the acidity of urine and also lubricates the penis during copulation.

Final answer: Option b. i ,ii, iv.