Non primate mammalian females have:
1. a follicular cycle
2. an estrous cycle
3. a menstrual cycle
4. a luteal cycle

Subtopic:  Introduction to Menstrual Cycle: 1 |
 79%

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The first structure amongst the following to receive sperms would be:
1. vas deferens
2. urethra
3. epididymis
4. seminal vesicle

Subtopic:  Male Reproductive System |
 66%
From NCERT

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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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Which hormone is the immediate cause of ovulation?
1. FSH
2. progesterone
3. estrogen
4. LH

Subtopic:  Menstrual Cycle: Pre Ovulatory Phase |
 63%
From NCERT

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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%
From NCERT

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To inhibit ovulation, the corpus luteum secretes:
1. inhibin
2. activin
3. estrogen
4. progesterone

Subtopic:  Menstrual Cycle: Luteal Phase |
 62%
From NCERT

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The rudimentary alimentary cavity of an embryo at the gastrula stage is called:
1. vegetal pole
2. primitive streak
3. archenteron
4. blastocoel

Subtopic:  Embryonic Development till Gastrulation |

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Notochord develops from embryonic:
1. ectoderm
2. mesoderm
3. endoderm
4. archenteron

Subtopic:  Embryonic Development till Gastrulation | Fetal Development & Parturition |
 56%

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In humans, the majority of the placenta is formed by:
1. allantois
2. amnion
3. chorion
4. yolk sac

Subtopic:  Fetal Development & Parturition |
 52%

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