Q1. The male gonads are called
Answer Explanation:
Testes produce sperm and testosterone.
Q2. The female gonads are
Answer Explanation:
Ovaries produce ova and hormones.
Q3. Primary male sex hormone
Answer Explanation:
Testosterone develops male characteristics.
Q4. Primary female sex hormone
Answer Explanation:
Estrogen regulates female reproductive functions.
Q5. Site of sperm production
Answer Explanation:
Spermatogenesis occurs in seminiferous tubules.
Q6. Sperm mature in
Answer Explanation:
Epididymis stores and matures sperm.
Q7. Female gamete is called
Answer Explanation:
Ovum is the female reproductive cell.
Q8. Site of fertilization
Answer Explanation:
Fertilization usually occurs in ampulla.
Q9. Process of sperm formation
Answer Explanation:
Spermatogenesis forms sperm.
Q10. Process of ovum formation
Answer Explanation:
Oogenesis forms ova.
Q11. Hormone responsible for ovulation
Answer Explanation:
LH surge triggers ovulation.
Q12. FSH stimulates
Answer Explanation:
FSH promotes gametogenesis.
Q13. Main function of progesterone
Answer Explanation:
Progesterone prepares endometrium.
Q14. Menstrual cycle normally lasts
Answer Explanation:
Average cycle is 28 days.
Q15. First phase of menstrual cycle
Answer Explanation:
Cycle begins with menstruation.
Q16. Release of ovum is
Answer Explanation:
Ovulation releases mature ovum.
Q17. Implantation occurs in
Answer Explanation:
Blastocyst implants in uterine lining.
Q18. Pregnancy normally lasts
Answer Explanation:
Normal gestation is about 40 weeks.
Q19. Childbirth is known as
Answer Explanation:
Parturition means delivery.
Q20. Hormone causing uterine contraction
Answer Explanation:
Oxytocin stimulates labor.
Q21. Placenta functions in
Answer Explanation:
Placenta exchanges nutrients and gases.
Q22. Umbilical vein carries
Answer Explanation:
Umbilical vein carries oxygenated blood.
Q23. Accessory male gland
Answer Explanation:
Prostate contributes seminal fluid.
Q24. Semen contains
Answer Explanation:
Semen includes sperm plus secretions.
Q25. Chromosomes are located in
Answer Explanation:
Chromosomes are nuclear structures.
Q26. Humans have
Answer Explanation:
Humans possess 46 chromosomes.
Q27. Genes are made of
Answer Explanation:
Genes are DNA segments.
Q28. DNA stands for
Answer Explanation:
DNA stores genetic information.
Q29. Protein synthesis occurs at
Answer Explanation:
Ribosomes translate mRNA.
Q30. Transcription produces
Answer Explanation:
DNA is transcribed into mRNA.
Q31. Translation occurs in
Answer Explanation:
Ribosomes synthesize proteins.
Q32. Genetic code is read in
Answer Explanation:
Codons are triplets.
Q33. Unit of heredity
Answer Explanation:
Gene is hereditary unit.
Q34. XX chromosomes indicate
Answer Explanation:
XX is female genotype.
Q35. XY chromosomes indicate
Answer Explanation:
XY is male genotype.
Q36. Father determines
Answer Explanation:
Sperm contributes X or Y chromosome.
Q37. Dominant trait appears in
Answer Explanation:
One dominant allele expresses trait.
Q38. Recessive trait appears when
Answer Explanation:
Requires homozygous recessive.
Q39. Gregor Mendel is known as
Answer Explanation:
Mendel established inheritance laws.
Q40. Basic unit of protein
Answer Explanation:
Proteins are amino acid polymers.
Q41. DNA replication occurs before
Answer Explanation:
Replication precedes mitosis/meiosis.
Q42. Meiosis produces
Answer Explanation:
Meiosis forms gametes.
Q43. Mitosis produces
Answer Explanation:
Mitosis maintains chromosome number.
Q44. Fertilization forms
Answer Explanation:
Fusion of gametes forms zygote.
Q45. First cell after fertilization
Answer Explanation:
Zygote is first stage.
Q46. Hormone maintaining corpus luteum early pregnancy
Answer Explanation:
hCG prevents corpus luteum degeneration.
Q47. Female reproductive organ where fetus develops
Answer Explanation:
Uterus supports fetal development.
Q48. Male reproductive duct carrying sperm
Answer Explanation:
Vas deferens transports sperm.
Q49. Sex hormones are secreted mainly by
Answer Explanation:
Gonads produce sex hormones.
Q50. DNA is a
Answer Explanation:
DNA has a double-helical structure.