Seminal plasma of humans is rich in

Pairs of seminal vesicles, a prostate, and paired bulbourethral glands are among the male accessory glands.

The seminal plasma is made up of the secretions of these glands and is high in fructose calcium and specific enzymes.

Prostate gland secretions are alkaline in nature, which aids in the neutralisation of vaginal acidity.

Bulbourethral gland secretions aid in the lubrication of the penis.

So, the correct option is 'Fructose, Ca ²⁺ and certain enzymes'.

The correct option is Option B : Fructose, Ca ²⁺ and certain enzymes.