Question

Seminal plasma in human males is rich in:

• A. Glucose and calcium
• B. Fructose and calcium
• C. Ribose and potassium
• D. DNA and testosterone

Answer 1

The correct option is B

Fructose and calcium

The correct option is B.

Explanation of correct option:

1. Seminal plasma contains fructose and glucose.
2. The source of energy for the sperms is fructose.
3. Calcium is responsible for the motility of the human sperm.

Explanation of incorrect options:

Option A:

1. Glucose is broken down to generate energy in cells.
2. Calcium other than in seminal plasma is also needed for healthy bone and teeth, muscle contraction, and for regulating heart function.

Option C:

1. Ribose sugar is an important constituent of DNA as well as RNA.
2. Potassium plays an important role in maintaining normal fluid levels in body cells and also regulates blood pressure.

Option D:

1. DNA is the genetic material of humans and several other organisms and has instructions for protein synthesis.
2. Testosterone is the main male sex hormone that stimulates normal growth of the male reproductive system, responsible for secondary sexual characteristics and for the formation of sperms.

Final answer: Seminal plasma in human males is rich in fructose and calcium.