Chapter Exam

Chapter 2: Human Reproduction — Online MCQ Test

Q: Which of the following is NOT a part of the male reproductive system?

Answer: C. Ovary — Ovary is a female reproductive organ. The male reproductive system consists of testes, epididymis, vas deferens, seminal vesicles, prostate gland, and penis.

Q: The process of formation of sperms from spermatogonial cells is called _______.

Answer: B. Spermatogenesis — Spermatogenesis is the process of sperm formation from spermatogonial stem cells in the seminiferous tubules of the testis.

Q: A primary oocyte is arrested at which stage of meiosis?

Answer: A. Prophase I — Primary oocytes are arrested in prophase I of meiosis I and remain in this state until ovulation occurs.

Q: Which is NOT a component of seminal plasma?

Answer: D. Mitochondria from sperm tail — Mitochondria are part of the sperm cell itself, not seminal plasma. Seminal plasma is composed of secretions from seminal vesicles, prostate gland, and bulbourethral glands.

Q: Which combination of hormonal changes would indicate the luteal phase of the menstrual cycle?

Answer: B. High progesterone, low FSH, low LH — During the luteal phase, the corpus luteum secretes high progesterone while FSH and LH levels are suppressed by negative feedback.

BIOLOGY · Grade 12 · CBSE(NCERT)

Practice Chapter 2: Human Reproduction with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 12 BIOLOGY. This chapter covers: Male Reproductive System Female Reproductive System Spermatogenesis Oogenesis Menstrual Cycle Fertilisation Implantation Pregnancy Lactation Embryonic Development Hormones. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 2: Human Reproduction — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 12 BIOLOGY — Chapter 2: Human Reproduction, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following is NOT a part of the male reproductive system?

A. Testis
B. Prostate gland
C. Ovary ✓
D. Epididymis

Answer: C. Ovary
Ovary is a female reproductive organ. The male reproductive system consists of testes, epididymis, vas deferens, seminal vesicles, prostate gland, and penis.

The process of formation of sperms from spermatogonial cells is called _______.

A. Oogenesis
B. Spermatogenesis ✓
C. Gametogenesis
D. Spermiogenesis

Answer: B. Spermatogenesis
Spermatogenesis is the process of sperm formation from spermatogonial stem cells in the seminiferous tubules of the testis.

A primary oocyte is arrested at which stage of meiosis?

A. Prophase I ✓
B. Metaphase I
C. Anaphase I
D. Telophase I

Answer: A. Prophase I
Primary oocytes are arrested in prophase I of meiosis I and remain in this state until ovulation occurs.

Which is NOT a component of seminal plasma?

A. Fructose from seminal vesicles
B. Alkaline fluid from prostate gland
C. Mucus from bulbourethral gland
D. Mitochondria from sperm tail ✓

Answer: D. Mitochondria from sperm tail
Mitochondria are part of the sperm cell itself, not seminal plasma. Seminal plasma is composed of secretions from seminal vesicles, prostate gland, and bulbourethral glands.

Which combination of hormonal changes would indicate the luteal phase of the menstrual cycle?

A. Low progesterone, high FSH, low LH
B. High progesterone, low FSH, low LH ✓
C. High estrogen, high FSH, high LH
D. Low estrogen, low progesterone, high FSH

Answer: B. High progesterone, low FSH, low LH
During the luteal phase, the corpus luteum secretes high progesterone while FSH and LH levels are suppressed by negative feedback.