Male fertility primarily depends on sperm count. Sterility is likely if the count is below:
1. 100,000,000 / ml
2. 20,000,000 / ml
3. 100,000 / ml
4. 1,000 / ml

Subtopic:  Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |

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Oviparous mammals are:
1. marsupials
2. placental mammals
3. monotremes
4. None

Subtopic:  Study of Aves & Mammals |

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Progesterone is secreted in large amounts by:
1. corpus luteum
2. anterior pituitary
3. Graafian follicle
4. hypotahlamus

Subtopic:  Menstrual Cycle: Luteal Phase |
 80%
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Which hormone is the immediate cause of ovulation?
1. FSH
2. progesterone
3. estrogen
4. LH

Subtopic:  Menstrual Cycle: Pre Ovulatory Phase |
 63%
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The number of chromosomes in mature sperm would be:
1. 1
2. 2
3. 23
4. 46

Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 79%
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An organelle covering the head of animal sperm and containing enzymes that digest the egg cell coating, thus permitting the sperm to enter the egg is called as:

1. nebenkern 2. manchette
3. head 4. acrosome
Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 88%
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Largest amongst the following would be:
1. spermatid
2. mature egg cell
3. polar body
4. secondary spermatocyte

Subtopic:  oogenesis |
 65%

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Identify the source of testosterone in males:
1. seminiferous tubules
2. epididymis
3. Sertoli cells
4. Leydig cells

Subtopic:  Male Reproductive System |
 71%
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The major contributor to the seminal plasma is/are:
1. seminal vesicles
2. prostate gland
3. bulbourethral gland
4. seminiferous tubules

Subtopic:  Male Reproductive Duct System |
 76%

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Which endometrial stage corresponds to the follicular phase of the menstrual cycle?

1. proliferative 2. luteal
3. secretory 4. menstruation
Subtopic:  Menstrual Cycle: Pre Ovulatory Phase |
 72%
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