Archives

Select the correct option with respect to hormone and its site of production.

1) Gonadotropin-releasing hormone - Corpus Luteum 2) Follicle-stimulating hormone - Hypothalamus 3) Estrogen - Ovarian follicles 4)... View Article

Which of the following hormones is produced in females only during pregnancy?

1) Estrogen 2) Progesterone 3) Human chorionic gonadotropin (hCG) 4) All of these Answer:3) Human chorionic gonadotropin (hCG) Explanation:... View Article

In the absence of pregnancy, corpus luteum ______.

1) becomes active and secretes FSH and LH 2) produces lots of oxytocin and relaxin 3) starts to degenerate 4) is maintained by progesterone... View Article

The menstrual cycle is controlled by hormones secreted by ______.

1) ovaries only 2) uterus only 3) anterior pituitary only 4) ovaries and anterior pituitary Answer:4) ovaries and anterior pituitary... View Article

The average length of a menstrual cycle is about

1) 28 days 2) 14 days 3) 10 days 4) 52 days Answer:1) 28 days Explanation: The reproductive cycle in the female primates is called the... View Article

In humans, the sex of the baby is detrmined ______.

1) at the time of implantation and by the maternal gamete 2) at the time of implantation and by the paternal gamete 3) at the time of... View Article

Which of the following occurs first during the development of an embryo?

1) Differentiation of tissues 2) Differentiation of organ 3) Differentiation of cells 4) Differentiation of organ system Answer:3)... View Article

Urine test during pregnancy determines the presence of ______.

1) hCG 2) estrogens 3) progesterone 4) luteinising hormone Answer:1) hCG Explanation: Human chorionic gonadotropin or hCG is the hormone... View Article

Which is the structure that connects the foetus to the placenta?

1) Amnion 2) Umbilical cord 3) Yolk sac 4) Chorion Answer:2) Umbilical cord Explanation: The placenta is connected to the foetus by the... View Article

The fimbriae of the fallopian tube help in _____.

1) collection of secondary oocyte after ovulation 2) making necessary changes in endometrium for implantation 3) release of ovum from Graafian... View Article

Implantation is the process of ______.

1) attachment of blastocyst to the uterine wall 2) egg movement 3) fusion of male and female gametes 4) both 3 and 4 Answer:1) attachment of... View Article

Which of the following are found inside mammalian testes?

1) Graafian follicle, Sertoli cells, Leydig cells 2) Graafian follicle, Sertoli cells, Seminiferous tubules 3) Sertoli cells, Leydig cells,... View Article

Which of the following involves no cell division?

1) Spermatogenesis 2) Oogenesis 3) Embryogenesis 4) Spermiogenesis Answer:4) Spermiogenesis Explanation: Spermiogenesis is the process of... View Article

How many sperms and ova will be formed by a primary spermatocyte and primary oocyte respectively?

1) One, one 2) One, four 3) Four, one 4) Four, four Answer:3) Four, one Explanation: Each primary spermatocyte undergoes meiosis I to... View Article

Choose the incorrect option regarding different types of reproductive cells

1) primary oocyte - 2n 2) secondary oocyte - n 3) Spermatids - 2n 4) Spermatogonia - 2n Answer:3) Spermatids - 2n Explanation: Spermatids... View Article

The Graafian follicle contains _____.

1) primary oocyte 2) secondary oocyte 3) ovum 4) both 1 and 2 Answer:2) secondary oocyte Explanation: Graafian follicle is a mature follicle... View Article

The spermatids are transformed into spermatozoa (sperms) by the process of

1) spermatogenesis 2) spermiogenesis 3) spermiation 4) oogenesis Answer:2) spermiogenesis Explanation: During spermiogenesis, round... View Article

The hormone responsible for milk release from the mammary glands is produced by_____.

1) corpus luteum 2) hypothalamus 3) posterior pituitary 4) none of these Answer:2) hypothalamus Explanation: Oxytocin is responsible for... View Article

The changes that occur in females during the onset of puberty are

1) enlargement of breasts 2) beginning of the menstrual cycle 3) development of high-pitched voice 4) all of the above Answer:4) all of the... View Article

The glandular tissue of each mammary gland is divided into ______.

1) 5-10 mammary lobes 2) 15-20 mammary lobes 3) 23-25 mammary lobes 4) 25-30 mammary lobes Answer:2) 15-20 mammary lobes Explanation: The... View Article

M	T	W	T	F	S	S
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30