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+

Subtopic:  Semen and Male Fertility |
 94%
From NCERT
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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

Subtopic:  Semen and Male Fertility |
 88%
From NCERT
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For normal fertility what percent of the sperm in ejaculation must exhibit vigorous motility?

1. 20

2. 30

3. 40

4. 60

Subtopic:  Semen and Male Fertility |
 72%
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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

Subtopic:  Semen and Male Fertility |
 68%
From NCERT
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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)

Subtopic:  Seminiferous Tubules & Spermatogenesis | Semen and Male Fertility |
 67%
From NCERT
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Suppose a man has 200 million sperms in an ejaculate and he is fertile. Opt a correct option.

(1) 125 million sperm with normal shape and size

(2) 30 million with vigorous motility

(3) 40 million with vigorous motility

(4) More than one option

Subtopic:  Semen and Male Fertility |
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The human sperms are

1. 200-300 million in number

2. Exact 60% with normal shape and size

3. Exact 40% with vigourous motility

4. More than one option

Subtopic:  Semen and Male Fertility |
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