Class 10 Science – How Do Organisms Reproduce?
20 MCQs
1. Which mode of reproduction involves only one parent?
A. Sexual reproduction
B. Asexual reproduction
C. Fertilisation
D. Pollination
2. Which of the following organisms reproduces by binary fission?
A. Hydra
B. Amoeba
C. Yeast
D. Planaria
3. Budding is commonly observed in:
A. Amoeba
B. Hydra
C. Plasmodium
D. Leishmania
4. Which structure helps in the vegetative propagation of potato?
A. Root
B. Stem tuber
C. Leaf
D. Flower
5. The process of producing new plants from parts such as roots, stems, or leaves is called:
A. Pollination
B. Fertilisation
C. Vegetative propagation
D. Germination
6. Which part of a flower contains the male reproductive organs?
A. Sepal
B. Petal
C. Stamen
D. Ovary
7. The female reproductive part of a flower is called:
A. Stamen
B. Pistil
C. Anther
D. Filament
8. Where are pollen grains produced in a flower?
A. Stigma
B. Ovary
C. Anther
D. Ovule
9. The transfer of pollen grains from anther to stigma is called:
A. Fertilisation
B. Pollination
C. Germination
D. Reproduction
10. Fertilisation in flowering plants results in the formation of:
A. Pollen grain
B. Zygote
C. Embryo sac
D. Ovary
11. Which organ produces sperm in human males?
A. Penis
B. Testis
C. Prostate gland
D. Vas deferens
12. Which hormone is mainly responsible for the development of secondary sexual characters in boys?
A. Estrogen
B. Progesterone
C. Testosterone
D. Insulin
13. In human females, fertilisation normally takes place in the:
A. Uterus
B. Ovary
C. Fallopian tube
D. Vagina
14. The embryo gets nourishment from the mother through the:
A. Ovary
B. Placenta
C. Cervix
D. Urethra
15. Which hormone is responsible for the release of an egg during ovulation?
A. Insulin
B. LH
C. Thyroxine
D. Testosterone
16. Which of the following is a method of preventing pregnancy?
A. Fertilisation
B. Contraception
C. Ovulation
D. Implantation
17. Which contraceptive method also helps in preventing the transmission of many sexually transmitted infections?
A. Copper-T
B. Oral pills
C. Condom
D. Surgical method
18. Which sexually transmitted disease is caused by a bacterium?
A. HIV/AIDS
B. Gonorrhoea
C. Hepatitis B
D. Genital herpes
19. Why is variation important for the survival of a species?
A. It prevents reproduction
B. It increases the ability to adapt to changing conditions
C. It stops mutations
D. It makes all organisms identical
20. Which type of reproduction produces offspring tha
t are generally genetically similar to the parent?
A. Sexual reproduction
B. Asexual reproduction
C. Cross-pollination
D. Fertilisation
Class 10 Science – How Do Organisms Reproduce?
Answer Key – 20 MCQs
1. B – Asexual reproduction
2. B – Amoeba
3. B – Hydra
4. B – Stem tuber
5. C – Vegetative propagation
6. C – Stamen
7. B – Pistil
8. C – Anther
9. B – Pollination
10. B – Zygote
11. B – Testis
12. C – Testosterone
13. C – Fallopian tube
14. B – Placenta
15. B – LH
16. B – Contraception
17. C – Condom
18. B – Gonorrhoea
19. B – It increases the ability to ada
pt to changing conditions
20. B – Asexual reproduction