Q. No.Grey crescent is the area
(1) at the point of entry of sperm into ovum
(2) just opposite to the site of entry of sperm into ovum
(3) at the animal pole
(4) at the vegetal pole
Which of the following statements is correct?
(1) Monkey, apes and humans exhibit estrous cycle.
(2) Urine is pale yellow and slightly alkaline.
(3) Lots of enzymes are present in bile juice.
(4) Ovulation in humans is spontaneous.
The 'cells of Rauber' are
(1) secretory cells of endometrium in uterus
(2) inner cell mass of blastocoel
(3) outer cells of trophoblast in contact with uterine wall
(4) cells of trophoblast, in contact with inner cell mass of blastocyst.
Choose the correct statement.
| 1. | hPL plays a major role in parturition |
| 2. | Foetus shows movements first time in the 7th month of pregnancy |
| 3. | Signal for parturition comes from fully developed foetus and placenta |
| 4. | Embryo's heart is formed by the 2nd month of pregnancy |
Starting from the maximum, arrange the following male reproductive accessory organs in the correct order, based on the amount of secretion poured into urethra
(i) Prostrate gland
(ii) Seminal vesicle
(iii) Bulbourethral gland
(1) (i) > (ii) > (iii)
(2) (iii) > (ii) > (i)
(3) (ii) > (iii) > (i)
(4) (ii) > (i) > (iii)
During menstrual cycle, levels of LH and estrogen are highest around
(1) 14th day
(2) 21st day
(3) 7th day
(4) 28th day
Hormones for the menstrual cycle are produced by
(1) ovaries only
(2) uterus only
(3) ovaries only
(4) ovaries and anterior pitutory
Select the correct explanation for the labels A, B, C and D.
(1) A represents the fertilized zygote.
(2) B represents the stage of morula formation.
(3) C represents the blastocyst.
(4) D represents the blastocyst implantation.
Which of the following statements is correct regarding menstrual cycle?
(1) LH induces rupturing of Graafian follicle.
(2) Proliferative phase is characterised by the increased production of progesterone.
(3) Corpus luteum secretes large amount of estrogen.
(4) Both LH and FSH attain a peak level in secretory phase.
Refer to the given figure and choose the correct option regarding its parts labelled as A-F.
1. B-Graafian follicle, F-Corpus luteum
2. C-Graafian follicle, A-Ovum
3. B-Primary follicle, C-Tertiary follicle showing antrum
4. E-Corpus callosum, D-Antrum cavity
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