Q. No.What is present in the follicles in the ovary of a girl at birth?
1.
primary oocytes
2.
secondary oocytes
3.
oogonia
4.
ova
A polar body, during oogenesis, is formed:
| I: | before fertilization. |
| II: | after fertilization. |
| 1. | Only I | 2. | Only II |
| 3. | Neither I nor II | 4. | Both I and II |
What is release at the time of ovulation?
1. primary oocyte
2. secondary oocyte
3. polar body
4. ootid
The first menstrual cycle or first menstrual bleeding is known as:
1. menorrhagia.
2. menarche.
3. menopause.
4. amenorrhea.
Identify the incorrectly matched pair [with respect to a 28 days cycle]:
1. beginning of menstrual flow - day 1
2. ovulation - day 14
3. LH surge - day 21
4. beginning of proliferative phase - day 5
What maintains the corpus luteum after fertilization?
| 1. | release of HCG by the trophoblast to maintain the corpus luteum. |
| 2. | production of LH by the maternal pituitary. |
| 3. | maintenance of the corpus luteum by prolactin. |
| 4. | production of estrogen by the adenohypophysis. |
Identify the correct chronological order in which the following structures are formed:
| a. blastocyst | b. morula | c. zygote |
| 1. | a,b,c | 2. | a,c,b |
| 3. | b,c,a | 4. | c,b,a |
Which part of the blastocyst develops into the embryo proper?
1. inner cell mass.
2. trophoblast.
3. blastocele.
4. yolk sac.
Milk secretion by mammary glands is under the control of:
| 1. | oxytocin | 2. | prolactin |
| 3. | estrogen | 4. | progesterone |
Consider the following statements:
| I: | The uterine endometrium undergoes cyclical changes during the menstrual cycle. |
| II: | Estrogen secreted during the pre-ovulatory phase of the menstrual cycle helps in the development of follicle. |
| III: | hCG secreted by trophoblast cells helps in maintaining corpus luteum. |
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
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