Process of Oogenesis

Q.

What happens to the Graafian follicle after ovulation?

Q.

The graafian follicle contains

1. Primary oocyte

2. Secondary oocyte

3. Ovum

4. Both A and B.

Q.

Extrusion of second polar body from egg nucleus occurs-

1. After entry of sperm and before completion of fertilisation.

2. After completion of fertilisation

3. Before the entry of sperm

4. Without any relation with sperm entry

Q.

What Is the Difference Between Oogonia and Primary Follicle?

Q. Primordial ovum enters meiotic division and gets arrested during stage.

1. prophase- I
2. metaphase - I
3. anaphase - I
4. telophase - I

Q.

Complete the following by using suitable words

The follicle which contains the mature ovum is called ________.

Q. What are the types of chromosomes on the basis of location of centromere?

Q. Which of the following structures are related to embryo sac of a female gametophyte?

1. Pollen grain
2. Synergids
3. Egg cell
4. Antipodals
5. Polar nuclei
6. Male nuclei
7. Pollen tube
8. Central cell

Q.

The primary and secondary oocytes are suspended in prophase I and metaphase II respectively due to secretions from the

1. Zona Pellucida

2. Sertoli cells

3. Granulosa cells

4. None of the above

Q.

Oogonia go through____(i)____ during the first three months of fetal development, producing all the primary oocytes. Primary oocytes begin the process of meiosis but are halted in___(ii)____. Meiosis resumes, one oocyte at a time, beginning with the first ___(iii)______. This process is stimulated by ____(iv)_______. The secondary oocyte is arrested in ____(v)_____.

1. i Mitosis ii Prophase I iii Menstrual cycle iv FSH v Metaphase II

2. i Mitosis ii Metaphase II iii Menstrual cycle iv FSH v Metaphase II

3. i Metaphase ii Mitosis iii Menstrual cycle iv FSH v Mitosis

4. i Prophase I ii Metaphase II iii FSH iv Menstrual cycle v Mitosis

Q.

Which among the following has 23chromosomes?

1. Spermatogonia

2. Zygote

3. Secondary oocyte

4. Oogonia

Q. In human female which of the following is incorrect?

1. Menopause occurs at 45-55 years
2. The ovulated egg released during pregnancy dies
3. Menstruation takes 4 days
4. Menstrual cycle takes 28 days

Q. In oogenesis haploid egg is fertilised by sperm at which stage?

1. Oogonium
2. None of the above
   
3. Primary oocyte
4. Secondary oocyte

Q.

Polar bodies are small cells which bud off from an oocyte at the two meiotic divisions and do not develop into ova.

1. True

2. False

Q.

A woman, during her lifetime, produces about_______

1. 40 eggs

2. 400 eggs

3. 600 eggs

4. 4000 eggs

Q. Rupture of the Graafian follicle to release the secondary oocyte is called .

1. leutinisation
2. ovulation
3. fertilisation
4. implantation

Q.

Polar bodies develop during the formation of__________

1. spermatogonia

2. ova

3. sperms

4. oogonia

Q. In human female which of the following is incorrect?

1. Menstrual cycle takes 28 days
2. Menopause occurs at 45-55 years
3. The ovulated egg released during pregnancy dies
4. Menstruation takes 4 days