The final release of sperms from the seminiferous tubules is called:

1. Spermiation 2. Emission
3. Retrograde ejaculation 4. Ejaculation

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 86%
Level 1: 80%+
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Which of the following helps spermatids in their transformation to sperms?

1.Leydig cells2.Type B spermatogonia
3.Type A spermatogonia4.Sertoli cells

Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 73%
Level 2: 60%+
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The birth canal is formed by:

1. Vagina alone

2. Vagina and the cervix

3. Vagina, cervix and uterus

4. Vagina, cervix, uterus and oviducts

Subtopic:  Female Reproductive System-1 |
 85%
Level 1: 80%+
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Seminal plasma is rich in:

1. Sucrose, calcium and certain enzymes

2. Glucose, sodium and certain enzymes

3. Fructose, calcium and certain enzymes

4. Fructose, sodium and certain enzymes

Subtopic:  Semen and Male Fertility |
 92%
Level 1: 80%+
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Leydig cells:

1. Are present in seminiferous tubules and secrete androgens
2. Are present in seminiferous tubules and help in the maturation of sperms
3. Are present in interstitial space and secrete androgens
4. Are present in interstitial space and help in the maturation of sperms
Subtopic:  Male Reproductive System |
 79%
Level 2: 60%+
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The division of primary oocyte results in:

1.  unequal cells – a smaller haploid secondary oocyte and a larger diploid polar body
2.  unequal cells – a larger haploid secondary oocyte and a smaller haploid polar body
3.  unequal cells – a smaller diploid secondary oocyte and a larger haploid polar body
4.  equal cells – a haploid secondary oocyte and a haploid polar body

Subtopic:  oogenesis |
 86%
Level 1: 80%+
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Leydig cells synthesize androgens under the direct influence of:
1. FSH 2. LH
3. FSH and LH 4. GnRH
Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 77%
Level 2: 60%+
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For normal fertility, what percent of the sperm in ejaculate must exhibit normal morphology?

1.202.30
3.404.60

Subtopic:  Semen and Male Fertility |
 85%
Level 1: 80%+
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The correct sequence of mammalian mammary gland ducts beginning from the alveoli would be:

1. Mammary tubules → Mammary ducts → Mammary ampulla → Lactiferous ducts
2. Lactiferous ducts → Mammary ducts → Mammary ampulla → Mammary tubules
3. Lactiferous ducts → Mammary ampulla → Mammary ducts → Mammary tubules
4. Mammary tubules → Mammary ampulla → Mammary ducts → Lactiferous ducts
Subtopic:  Mammary Gland & Lactation |
 80%
Level 1: 80%+
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The spermatids are transformed into spermatozoa by a process called:

1. Spermiation 2. Spermatocytogenesis
3. Spermiogenesis 4. Spermatolysis
Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 81%
Level 1: 80%+
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