Chapter 2: Human Reproduction — Online MCQ Test
ZOOLOGY · CLASS 12th · Tamil Nadu State Board
Practice Chapter 2: Human Reproduction with a free chapter-wise online MCQ test.
This chapter covers: Focusing on the human reproductive system this chapter details male and female anatomy gametogenesis menstrual cycle fertilization implantation pregnancy and lactation processes..
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 2: Human Reproduction — Important Questions & Answers
Which part of the male reproductive system produces sperms?
- A. Vas deferens
- B. Seminiferous tubules
- C. Prostate gland
- D. Epididymis
Answer: B. Seminiferous tubules
Spermatogenesis takes place in the seminiferous tubules of the testes. Other structures help in transport or secretion of seminal fluid.
Spermatogenesis takes place in the seminiferous tubules of the testes. Other structures help in transport or secretion of seminal fluid.
The hormone that stimulates the development of ovarian follicles is:
- A. LH
- B. FSH
- C. Prolactin
- D. Oxytocin
Answer: B. FSH
FSH (follicle-stimulating hormone) promotes growth and maturation of ovarian follicles. LH mainly triggers ovulation.
FSH (follicle-stimulating hormone) promotes growth and maturation of ovarian follicles. LH mainly triggers ovulation.
Which of the following is the correct sequence of events in the menstrual cycle?
- A. Menstruation → Ovulation → Follicular phase → Luteal phase
- B. Follicular phase → Ovulation → Luteal phase → Menstruation
- C. Ovulation → Follicular phase → Menstruation → Luteal phase
- D. Luteal phase → Menstruation → Follicular phase → Ovulation
Answer: B. Follicular phase → Ovulation → Luteal phase → Menstruation
The cycle begins with the follicular phase, followed by ovulation, then the luteal phase. Menstruation marks the start of a new cycle if fertilization does not occur.
The cycle begins with the follicular phase, followed by ovulation, then the luteal phase. Menstruation marks the start of a new cycle if fertilization does not occur.
Which statement about spermatogenesis is correct?
- A. It begins at birth and continues throughout childhood
- B. It occurs in the ovary under the influence of progesterone
- C. It starts at puberty in the testes under hormonal control
- D. It ends immediately after ejaculation
Answer: C. It starts at puberty in the testes under hormonal control
Spermatogenesis begins at puberty in the seminiferous tubules of the testes. It is regulated by hormones such as FSH and testosterone.
Spermatogenesis begins at puberty in the seminiferous tubules of the testes. It is regulated by hormones such as FSH and testosterone.
Which of the following is the most appropriate sequence in the development from fertilization to birth?
- A. Zygote → Blastocyst → Implantation → Embryo → Foetus
- B. Blastocyst → Zygote → Implantation → Foetus → Embryo
- C. Zygote → Implantation → Blastocyst → Foetus → Embryo
- D. Embryo → Zygote → Blastocyst → Implantation → Foetus
Answer: A. Zygote → Blastocyst → Implantation → Embryo → Foetus
After fertilization, the zygote divides to form a blastocyst, which implants in the uterus. It then develops into an embryo and later a foetus.
After fertilization, the zygote divides to form a blastocyst, which implants in the uterus. It then develops into an embryo and later a foetus.