Q1. During spermatogenesis, which stage directly produces spermatids?A. SpermatogoniaB. Primary spermatocytesC. Secondary spermatocytesD. Sertoli cells
Q2. During which phase of the menstrual cycle is the endometrium most receptive to implantation?A. Follicular phaseB. Ovulatory phaseC. Luteal phaseD. Menstrual phase
Q3. Which assisted reproductive technique involves transferring a fertilized embryo directly into the uterine cavity?A. Intracytoplasmic sperm injection (ICSI)B. Gamete intrafallopian transfer (GIFT)C. Zygote intrafallopian transfer (ZIFT)D. Embryo transfer (ET) following in vitro fertilization (IVF)
Q4. What is the primary function of the hormone relaxin during pregnancy?A. Stimulate uterine contractionsB. Relax pelvic ligaments and soften the cervixC. Increase milk productionD. Maintain the corpus luteum
Q5. Which hormone is used as a marker in clinical pregnancy tests due to its early secretion by the developing placenta?A. ProgesteroneB. EstrogenC. Human chorionic gonadotropin (hCG)D. Luteinizing hormone (LH)
Q6. Which of the following best describes the type of placentation seen in humans?A. Diffuse placentationB. Cotyledonary placentationC. Discoid placentationD. Zonary placentation
Q7. Which contraceptive method primarily works by preventing sperm from reaching the ovum?A. Barrier methods (e.g., condoms)B. Oral contraceptive pillsC. Intrauterine device (IUD)D. Surgical sterilization
Q8. What is the primary role of the acrosomal reaction during fertilization?A. To provide energy for sperm motilityB. To initiate the capacitation processC. To facilitate the penetration of the zona pellucidaD. To trigger the cortical reaction in the oocyte
Q9. Which of the following best describes the process of embryogenesis immediately following fertilization?A. Cleavage resulting in a morulaB. Formation of a blastocystC. Implantation in the endometriumD. Gastrulation
Q10. Which hormone is released from the anterior pituitary to trigger ovulation in females?A. Follicle-stimulating hormone (FSH)B. Luteinizing hormone (LH)C. ProlactinD. Oxytocin