Reproduction is an important chapter of Class 10 Biology that explains how living organisms produce new individuals of their own kind. This chapter covers asexual and sexual reproduction, human reproductive system, gamete formation, fertilization, and reproductive health. This post includes Class 10 Biology Chapter 5 MCQs prepared according to the Punjab and Sindh Board syllabus to help students prepare effectively for exams.
1. Reproduction is the process by which organisms:
- A. Obtain food
- B. Produce new individuals ✅
- C. Respire
- D. Grow in size
Explanation: Reproduction ensures continuity of a species.
2. Which type of reproduction involves only one parent?
- A. Sexual reproduction
- B. Asexual reproduction ✅
- C. Fertilization
- D. Pollination
Explanation: Asexual reproduction occurs without fusion of gametes.
3. Which organism reproduces by binary fission?
- A. Hydra
- B. Amoeba ✅
- C. Yeast
- D. Frog
Explanation: Amoeba divides into two identical individuals by binary fission.
4. Budding is a method of asexual reproduction seen in:
- A. Amoeba
- B. Hydra ✅
- C. Paramecium
- D. Bacteria
Explanation: Hydra reproduces by formation of buds.
5. Sexual reproduction involves:
- A. One parent
- B. No gametes
- C. Fusion of male and female gametes ✅
- D. Only mitosis
Explanation: Sexual reproduction includes fertilization of gametes.
6. Male reproductive gamete is called:
- A. Ovum
- B. Sperm ✅
- C. Zygote
- D. Embryo
Explanation: Sperm is the male gamete produced in testes.
7. Female reproductive gamete is called:
- A. Sperm
- B. Ovum ✅
- C. Zygote
- D. Embryo
Explanation: Ovum is produced in ovaries.
8. Fertilization in humans usually occurs in:
- A. Uterus
- B. Fallopian tube ✅
- C. Ovary
- D. Cervix
Explanation: Fusion of gametes occurs in the fallopian tube.
9. The fusion of sperm and ovum forms:
- A. Embryo
- B. Zygote ✅
- C. Foetus
- D. Placenta
Explanation: Zygote is the first cell of a new organism.
10. Which organ produces sperms?
- A. Prostate gland
- B. Testes ✅
- C. Seminal vesicle
- D. Epididymis
Explanation: Testes produce sperms and testosterone.
11. Which organ produces ova?
- A. Uterus
- B. Ovary ✅
- C. Cervix
- D. Fallopian tube
Explanation: Ovaries produce female gametes.
12. The period between puberty and menopause in females is called:
- A. Gestation period
- B. Reproductive age ✅
- C. Menstrual phase
- D. Ovulation
Explanation: Females can reproduce during reproductive age.
13. The menstrual cycle normally lasts about:
- A. 14 days
- B. 28 days ✅
- C. 21 days
- D. 35 days
Explanation: Average menstrual cycle is 28 days.
14. Implantation of embryo occurs in:
- A. Ovary
- B. Fallopian tube
- C. Uterus ✅
- D. Cervix
Explanation: Embryo embeds in uterine wall.
15. The developing baby inside the uterus is called:
- A. Zygote
- B. Embryo
- C. Foetus ✅
- D. Placenta
Explanation: Foetus is the later stage of development.
16. Which structure provides nourishment to the foetus?
- A. Amniotic fluid
- B. Placenta ✅
- C. Uterus wall
- D. Ovary
Explanation: Placenta connects foetus with mother’s blood supply.
17. Which hormone is responsible for development of male characteristics?
- A. Estrogen
- B. Testosterone ✅
- C. Progesterone
- D. Insulin
Explanation: Testosterone develops male secondary sexual characters.
18. Which method of reproduction produces genetically identical offspring?
- A. Sexual reproduction
- B. Asexual reproduction ✅
- C. Fertilization
- D. Pollination
Explanation: Asexual reproduction produces clones.