Seminal plasma of humans is rich in
1. Fructose and certain enzymes, poor in Ca²⁺.
2. Fructose, Ca²⁺ and certain enzymes.
3. Fructose, Ca²⁺ but no enzymes.
4. Glucose, certain enzymes but no Ca²⁺

Seminal plasma is rich in:

1. Sucrose, calcium and certain enzyme

2. Glucose, sodium and certain enzymes

3. Fructose, calcium and certain enzymes

4. Fructose, sodium and certain enzymes

For normal fertility what percent of the sperm in ejaculation must exhibit vigorous motility?

1. 20

2. 30

3. 40

4. 60

During coitus the human male ejaculates about

1. 200 to 400 million sperms

2. 100 to 200 million sperms

3. 200 to 300 sperms

4. 200 to 300 billion sperms

Mark the incorrect match

(i) All spermatocytes have haploid structure.

(ii) All of the spermatogonia changes into primary
spermatocyte.

(iii) FSH is required for the process of spermiogenesis.

(iv) Seminal plasma is essential for maturation and
motility of sperms.

1. (i), (ii), (iii), (iv)

2. (iii) and (iv) only

3. (i) and (ii) only

4. Only (iii)

Suppose a man has 200 million sperms in an ejaculate and he is fertile. Opt a correct option.

The human sperms are