MCQs
What marks the functional beginning of the reproductive system?
- A) Birth
- B) Puberty
- C) Childhood
- D) Adulthood
What is the primary function of reproduction in living organisms?
- A) Survival of an individual
- B) Survival and continuation of a species
- C) Growth and development of organs
- D) Production of hormones
Which hormone is primarily responsible for male sexual development?
- A) Estrogen
- B) Testosterone
- C) Progesterone
- D) Luteinizing hormone (LH)
In males, testosterone is produced by which cells?
- A) Sertoli cells
- B) Interstitial (Leydig) cells
- C) Follicular cells
- D) Endocrine cells
What triggers the release of luteinizing hormone (LH) in females?
- A) Low levels of estrogen
- B) High levels of estrogen
- C) Ovulation
- D) Menstruation
In which part of the male reproductive system does spermatogenesis occur?
- A) Epididymis
- B) Vas deferens
- C) Seminiferous tubules
- D) Prostate gland
What is the first step in sexual reproduction?
- A) Fertilization
- B) Development
- C) Gametogenesis
- D) Ovulation
Where does fertilization occur in humans?
- A) Uterus
- B) Fallopian tubes
- C) Ovaries
- D) Vagina
Which of the following organisms is viviparous?
- A) Fish
- B) Birds
- C) Humans
- D) Reptiles
Which asexual reproduction method involves an organism splitting into two equal parts?
- A) Budding
- B) Binary fission
- C) Parthenogenesis
- D) Fragmentation
In sex determination in humans, what combination of sex chromosomes results in a female?
- A) XY
- B) XX
- C) X
- D) YY
Which gene on the Y chromosome triggers the development of male characteristics?
- A) SRY gene
- B) LH gene
- C) FSH gene
- D) Estrogen gene
What is the probability of a couple having a son during each pregnancy?
- A) 25%
- B) 50%
- C) 75%
- D) 100%
Which of the following is true about asexual reproduction?
- A) It requires two parents.
- B) It leads to genetic diversity.
- C) It produces clones.
- D) It involves the fusion of gametes.
What is the role of the scrotum in the male reproductive system of a rabbit?
- A) Producing sperm
- B) Transporting sperm
- C) Adding fluids to sperm
- D) Housing the testes
Short Questions
What is the primary purpose of reproduction in living organisms?
What are the two main types of reproduction?
At what stage of human development does the reproductive system become functional?