Changes during Menstrual Cycle

Q. Do you know for how many months pregnancy last in dogs, elephants, cats?

Q. Given below is the unorganized list of some
important events in the human female
reproductive cycle. Identify the correct
sequence of these events and select the
correct option.
(i) Secretion of FSH
(ii) Growth of corpus luteum
(iii) Growth of the follicle and oogenesis
(iv) Ovulation
(v) Sudden increase in the levels of LH

1. $\left(i\right)\to \left(iv\right)\to \left(iii\right)\to \left(v\right)\to \left(ii\right)$
2. $\left(ii\right)\to \left(i\right)\to \left(iii\right)\to \left(iv\right)\to \left(v\right)$
3. $\left(iii\right)\to \left(i\right)\to \left(iv\right)\to \left(ii\right)\to \left(v\right)$
4. $\left(i\right)\to \left(iii\right)\to \left(v\right)\to \left(iv\right)\to \left(ii\right)$

Q. Some important events in the human female reproductive cycle are given below.
Arrange the events in proper sequence.
I. Secretion of FSH
II. Growth of corpus luteum
III. Growth of the follicle
IV. Ovulation
V. Sudden increase in the levels of LH

1. III - I - IV - II - V
2. I - III - V - IV - II
3. I - IV - III - V - II
4. II - I - III - IV - V

Q. A contraceptive method in which the couples avoid or abstain from coitus from day 10 to 17 of the menstrual cycle when ovulation could be expected, is called:

1. Lactational amenorrhea
2. Periodic abstinence
3. Coitus interruptus
4. Multiload

Q.

Menstruation is triggered by an abrupt decline in the amount of a hormone secreted by?

Q.

Where is secondary oocytes released during ovulation?

Q. What is pregnancy hormone ?why is it so called?

Q.

What Size Follicle Is Too Big?

Q. If ovaries from a pregnant woman are removed in 4th month of pregnancy then :

1. Development of embryo becomes abnormal
2. Abortion occurs after some time
3. Embryo develops normally till birth
4. None

Q.

Examples of disorders caused by frameshift mutation.

Q. Name the hormone with which a cow is administered using MOET technology. State the function of this hormone. [2 marks]

Q.

Describe Adenohypophysis.

Q.

Important site for formation of glycoproteins and glycolipids is?

1. Plastid

2. Lysosome

3. Golgi apparatus

4. Vacuoles

Q.

Which layer of uterus is shed during menstruation?

Q.

Define menarche.

Q. In mammals, the estrogens are secreted by Graafian follicle from its:

1. Theca externa
2. Zona pellucida
3. Theca interna
4. Corona Radiata

Q.

What hormone stimulates follicle rupture?

Q. Which of the following occurs first during the development process of an embryo?

1. Differentiation of tissues
2. Differentiation of organ
3. Differentiation of cells
4. Differentiation of organ system

Q. Following mutated sequence of mRNA shows _____ mutation.
Normal mRNA : AUG GUC GGA CUG GGC GUC UAA
Mutated mRNA : AUG GUC UGA CUG GGC GUC UAA

1. Silent Mutation
2. Missense Mutation
3. Nonsense Mutation
4. Frameshift Mutation

Q. Xenia refers to

1. effect of pollen on taste of fruits
2. effect of pollen on vascular tissue
3. effect of pollen on stems
4. effect of pollen on endosperm

Q. What is diapause and its significance?

Q. Ovulation takes place on the ${14}^{th}$ day of menstrual cycle. Why?

Q. From where the parturition signals arise-mother or foetus? Mention the main hormone involved in parturition.

Q.

Identify the labelled parts/levels represented in the given graph.

1. 1 Follicular phase 2 ovulation 3 LH 4 FSH 5 Progesterone

2. 1 FSH 2 LH 3 Progesterone 4 ovulation 5 Follicular phase

3. 1 LH 2 FSH 3 Progesterone 4 ovulation 5 Follicular phase

4. 1 Progesterone 2 LH 3 FSH 4 ovulation 5 Follicular phase

Q. Addition or deletion of a single nucleotide produces mutation

1. Deficiency
2. Duplication
3. Frame shift
4. Inversion

Q. If menstrual cycle is 30 days and bleeding start on $1^{st}$ day, then ovulation occur on

1. ${30}^{th}$ day
2. ${14}^{th}$ day
3. ${18}^{th}$ day
4. ${16}^{th}$ day

Q. Select the true statement regarding clitoris
in female reproductive system.
(a) It is formed by the merging of two labia minora anteriorly
(b) It is formed by three erectile bodies, two solid and one hollow
(c) It is analogous to the penis of male

1. (a) & (c) only
2. None of these
3. (a) only
4. (b) & (c) only
   

Q. Ovulation or release of ovum occurs on which day of the menstrual cycle?

1. $12-14$
2. $14-16$
3. $8-10$
4. Last two days of menstrual cycle

Q.

why is menstrual cycle absent during pregnancy?

Q.

The corpus luteum is developed from the:

1. Oocyte

2. Nephrostome

3. Leftover oocyte

4. Leftover graafian follicle after the release of the ovum