MCQs – Oogenesis and Menstrual Cycle

1. Formation of mature female gamete is called:
(a) Spermatogenesis (b) Fertilisation (c) Oogenesis (d) Implantation
2. Oogenesis begins during:
(a) Puberty (b) Old age (c) Embryonic development (d) Menopause
3. Female gamete mother cells are called:
(a) Spermatogonia (b) Oogonia (c) Blastomeres (d) Sertoli cells
4. Primary oocytes are arrested in:
(a) Metaphase I (b) Prophase I (c) Telophase II (d) Anaphase II
5. A primary oocyte surrounded by granulosa cells forms:
(a) Corpus luteum (b) Graafian follicle (c) Primary follicle (d) Secondary oocyte
6. At puberty, approximately how many primary follicles remain in each ovary?
(a) 1,000–2,000 (b) 10,000–20,000 (c) 60,000–80,000 (d) 1 million
7. The fluid-filled cavity in tertiary follicle is called:
(a) Blastocoel (b) Antrum (c) Lumen (d) Ampulla
8. Theca is differentiated into:
(a) Ectoderm and mesoderm (b) Theca interna and externa (c) Cortex and medulla (d) Ampulla and isthmus
9. Completion of meiosis I in primary oocyte forms:
(a) Ovum and sperm (b) Secondary oocyte and first polar body (c) Two ova (d) Blastocyst
10. The secondary oocyte is:
(a) Diploid (b) Triploid (c) Haploid (d) Tetraploid
11. The menstrual cycle normally lasts about:
(a) 7 days (b) 14 days (c) 21 days (d) 28 days
12. Menstrual flow occurs during the:
(a) Follicular phase (b) Menstrual phase (c) Luteal phase (d) Ovulatory phase
13. Menstrual flow occurs due to breakdown of:
(a) Ovary (b) Endometrium (c) Myometrium (d) Placenta
14. Menstruation occurs when:
(a) Ovum is fertilised (b) Implantation occurs (c) Ovum is not fertilised (d) Pregnancy begins
15. During follicular phase, the primary follicles develop into:
(a) Morula (b) Blastocyst (c) Graafian follicle (d) Corpus albicans
16. Which hormones stimulate follicular development?
(a) Oxytocin and prolactin (b) FSH and LH (c) Progesterone only (d) Testosterone only
17. The sudden increase in LH level during mid-cycle is called:
(a) Menstrual surge (b) FSH peak (c) LH surge (d) Ovulation reflex
18. LH surge induces:
(a) Menstruation (b) Implantation (c) Ovulation (d) Lactation
19. The remaining part of Graafian follicle after ovulation forms:
(a) Morula (b) Corpus luteum (c) Blastocyst (d) Endometrium
20. Menstrual cycles permanently cease around 50 years of age in a phase called:
(a) Menarche (b) Ovulation (c) Menopause (d) Lactation