Menstrual Cycle

Q.

What is menstruation? Explain.

Q.

Choose the correct option.

About which day in a normal human menstrual cycle does the rapid secretion of LH (popularly called LH surge) normally occur?

1. 20th day

2. 14th day

3. 11th day

4. 5th day

Q. Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?

1. Retention of well-developed corpus luteum
2. Fertilization of the ovum
3. Maintenance of the hypertrophical endometrial lining
4. Maintenance of high concentration of sex hormones in the blood stream

Q.

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

Q.

Identify the name of process by which mature ovum released from ovary?

1. Ovulation

2. Fertilisation

3. Oogamy

4. Oogenesis

Q.

What is the correct order of the phases in the menstrual cycle?

1. Menstrual phase => follicular phase => luteal phase => ovulatory phase

2. Ovulatory phase => follicular phase => menstrual phase => luteal phase

3. Luteal phase => follicular phase => menstrual phase => ovulatory phase

4. Menstrual phase => follicular phase => ovulatory phase => luteal phase

Q.

What Hormone Causes the Formation of Corpus Luteum?

Q.

Why does menstruation occur? [3 MARKS]

Q.

The secretory phase in the human menstrual cycle is also called

1. Follicular phase and lasts for about 6 days

2. Luteal phase and lasts for about 6 days

3. Follicular phase and lasts for about 13 days

4. Luteal phase and lasts for about 13 days

Q. State the changes that take place in the uterus when :

(a) Implantation of embryo has occurred
(b) Female gamete/egg is not fertilised.

Q.

What Is The Lifespan Of The Corpus Luteum If Fertilization Does Not Occur?

Q.

Mention the events taking place when the ovum is fertilized in the Fallopian tube till it is implanted the uterus of the female

Q.

Given below are the events that lead to pregnancy and development of embryo;

(i) Fertilization of egg
(ii) Maturation of egg
(iii) Release of egg
(iv) Embedding of embryo in thickened uterine wall

Which of the following options give the correct order of the sequence in which they occur?

1. ii, i, iii, iv
2. i, iv, ii, iii
3. ii, iii, i, iv
4. i, ii, iii, iv

Q. Corpus luteum is produced during the phase of the menstrual cycle.

1. proliferative
2. menstrual
3. follicular
4. secretory

Q. (b) Write the functions of testosterone and oestrogen hormones.

Q. Fertilisation is possible if ovulation has taken place during middle of the menstrual cycle? Give reason.

Q.

Onset of menstrual cycle is called?

Q. Secretory phase of human menstrual cycle is also called

1. Luteal phase and lasts for 6 days
2. Luteal phase and lasts for 13 days
3. Follicular phase and lasts for 13 days
4. Follicular phase and lasts for 6 days

Q.

Question 45
What changes are observed in the uterus subsequent to implantation of a young embryo?

Q.

Give reason for the following :

The menstrual cycle stops after the ovum gets fertilized.

Q.

What are the changes taking place in the uterine wall during menstrual cycle?

Q.

Complete the following:

The testosterone hormone is secreted by the ______ cells.

Q.

What induces the process of spermatogenesis?

1. Luteinizing hormone

2. Follicle stimulating hormone

3. Gonadotropin-releasing hormone

4. Leydig cells

Q.

What portion of the uterus is shed during menstruation?

1. Myometrium

2. Ovum

3. Perimetrium

4. Endometrium

Q. Haemophilia is more commonly seen in human males than in human females because:

1. A greater proportion of girls die in infancy
2. This disease is due to an X-linked recessive gene
3. This disease is due to a Y-linked recessive gene
4. This disease is due to an X-linked dominant gene

Q. The condition when the menstrual cycle stops is known as ____.

1. 
   menstruation
2. 
   gestation
3. 
   menopause
4. 
   puberty

Q. What is the function of the chorion in the female reproductive system?

Q.

Write the name of one male and one female sex hormone?

Q.

Where is testosterone produced in the female body?

Q.

During menstruation which part of the uterus remain intact or not shed with the flow?

1. Cervical epithelial layer

2. Both A & C

3. Endometrium of uterus

4. Basal layer of uterus