Q. No.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
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Largest amongst the following would be:
1. spermatid
2. mature egg cell
3. polar body
4. secondary spermatocyte
Identify the source of testosterone in males:
1. seminiferous tubules
2. epididymis
3. Sertoli cells
4. Leydig cells
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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
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Which endometrial stage corresponds to the follicular phase of the menstrual cycle?
| 1. | proliferative | 2. | luteal |
| 3. | secretory | 4. | menstruation |
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To inhibit ovulation, the corpus luteum secretes:
1. inhibin
2. activin
3. estrogen
4. progesterone
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Just before the endometrium is shed during menstruation:
1. blood levels of estrogen and progesterone decrease.
2. blood levels of estrogen and progesterone increase.
3. the corpus luteum gets fully developed.
4. ovulation occurs.
Blastocyst gets implanted on the:
1. myometrium
2. perimetrium
3. endometrium
4. wall of the oviduct
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The thick transparent glycoprotein membrane surrounding a mammalian ovum before implantation is called:
| 1. | oolemma | 2. | corona radiata |
| 3. | zona pellucida | 4. | cumulus oophorus |
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