🧬 50 Most Important MCQs on Reproduction (With Answers)

Introduction:

Reproduction is a biological process through which living organisms produce their offspring to continue their species. It is one of the most important topics in biology and often appears in exams.
Here are 50 most important and repeated MCQs on Reproduction — ideal for quick revision, board exams, and entry test preparation.

MCQs on Reproduction (With Answers)

1. The process by which living organisms produce new individuals is called:
A) Respiration
B) Reproduction
C) Growth
D) Excretion
Answer: B) Reproduction

2. Which of the following is an example of asexual reproduction?
A) Fertilization
B) Budding
C) Copulation
D) Pollination
Answer: B) Budding

3. The fusion of male and female gametes is known as:
A) Pollination
B) Fertilization
C) Germination
D) Budding
Answer: B) Fertilization

4. Binary fission commonly occurs in:
A) Amoeba
B) Hydra
C) Yeast
D) Planaria
Answer: A) Amoeba

5. The production of new plants from roots, stems or leaves is called:
A) Sexual reproduction
B) Vegetative propagation
C) Binary fission
D) Fragmentation
Answer: B) Vegetative propagation

6. Reproduction that requires only one parent is:
A) Asexual reproduction
B) Sexual reproduction
C) Cross-fertilization
D) Pollination
Answer: A) Asexual reproduction

7. The male reproductive organ in humans is:
A) Ovary
B) Testis
C) Uterus
D) Fallopian tube
Answer: B) Testis

8. The female reproductive cell is called:
A) Sperm
B) Ovum
C) Zygote
D) Embryo
Answer: B) Ovum

9. The zygote is formed after:
A) Mitosis
B) Fertilization
C) Pollination
D) Fragmentation
Answer: B) Fertilization

10. In flowering plants, male gametes are produced in:
A) Ovary
B) Anther
C) Stigma
D) Style
Answer: B) Anther

11. The transfer of pollen grains from anther to stigma is called:
A) Germination
B) Fertilization
C) Pollination
D) Budding
Answer: C) Pollination

12. The fusion of gametes forms a:
A) Seed
B) Zygote
C) Ovary
D) Spore
Answer: B) Zygote

13. Which of the following reproduces by budding?
A) Amoeba
B) Hydra
C) Paramecium
D) Algae
Answer: B) Hydra

14. Which organ develops into fruit after fertilization?
A) Ovary
B) Ovule
C) Stigma
D) Style
Answer: A) Ovary

15. Which develops into seed after fertilization?
A) Ovule
B) Ovary
C) Stamen
D) Stigma
Answer: A) Ovule

16. In humans, fertilization occurs in:
A) Ovary
B) Uterus
C) Fallopian tube
D) Vagina
Answer: C) Fallopian tube

17. Asexual reproduction in yeast occurs by:
A) Budding
B) Binary fission
C) Spore formation
D) Fragmentation
Answer: A) Budding

18. Which of the following shows regeneration?
A) Planaria
B) Amoeba
C) Hydra
D) Yeast
Answer: A) Planaria

19. The mode of reproduction in which offspring are identical to parents is:
A) Sexual reproduction
B) Asexual reproduction
C) Cross-fertilization
D) Pollination
Answer: B) Asexual reproduction

20. The process of formation of gametes is called:
A) Mitosis
B) Meiosis
C) Fertilization
D) Budding
Answer: B) Meiosis

21. Which part of a flower produces pollen grains?
A) Anther
B) Ovule
C) Stigma
D) Style
Answer: A) Anther

22. Which part of the flower receives pollen grains?
A) Stigma
B) Ovary
C) Style
D) Ovule
Answer: A) Stigma

23. The male gamete in animals is:
A) Ovum
B) Sperm
C) Zygote
D) Embryo
Answer: B) Sperm

24. Which one is a hermaphrodite organism?
A) Earthworm
B) Cockroach
C) Frog
D) Fish
Answer: A) Earthworm

25. Variation in offspring is caused by:
A) Mutation
B) Asexual reproduction
C) Mitosis
D) Cloning
Answer: A) Mutation

26. Offspring produced sexually show:
A) No variation
B) Variation
C) Mutation
D) Identical features
Answer: B) Variation

27. Asexual reproduction ensures:
A) Genetic variation
B) Rapid population growth
C) Slow reproduction
D) Hybrid formation
Answer: B) Rapid population growth

28. Which of the following is not asexual reproduction?
A) Fission
B) Budding
C) Pollination
D) Regeneration
Answer: C) Pollination

29. The seed is formed from:
A) Ovule
B) Ovary
C) Stigma
D) Petal
Answer: A) Ovule

30. The number of chromosomes in gametes is:
A) Same as body cells
B) Half of body cells
C) Double of body cells
D) Triple of body cells
Answer: B) Half of body cells

31. Which one is an example of sexual reproduction?
A) Spore formation
B) Fertilization
C) Binary fission
D) Budding
Answer: B) Fertilization

32. Male reproductive cells are also known as:
A) Ovules
B) Spores
C) Sperms
D) Embryos
Answer: C) Sperms

33. In humans, the embryo grows inside the:
A) Ovary
B) Uterus
C) Testis
D) Fallopian tube
Answer: B) Uterus

34. Which structure protects the developing embryo?
A) Fruit
B) Seed coat
C) Ovary wall
D) Petal
Answer: B) Seed coat

35. The scientific term for self-pollination is:
A) Autogamy
B) Allogamy
C) Cross-pollination
D) Budding
Answer: A) Autogamy

36. The fusion of two different gametes is called:
A) Syngamy
B) Mitosis
C) Cloning
D) Mutation
Answer: A) Syngamy

37. Formation of identical offspring from one parent is:
A) Cloning
B) Budding
C) Fertilization
D) Fusion
Answer: A) Cloning

38. The formation of spores is common in:
A) Fungi
B) Amoeba
C) Hydra
D) Earthworm
Answer: A) Fungi

39. Which one is a unisexual flower?
A) Papaya
B) Rose
C) Mustard
D) Hibiscus
Answer: A) Papaya

40. Which one is bisexual flower?
A) Pea
B) Palm
C) Maize
D) Papaya
Answer: A) Pea

41. What is the main function of testes?
A) Produce sperms
B) Produce ova
C) Store urine
D) Support embryo
Answer: A) Produce sperms

42. Which of the following reproduces by spores?
A) Ferns
B) Yeast
C) Hydra
D) Earthworm
Answer: A) Ferns

43. The embryo gets nutrition from:
A) Endosperm
B) Ovule
C) Pollen
D) Root
Answer: A) Endosperm

44. Which of the following is not true for sexual reproduction?
A) Two parents are required
B) Gametes are formed
C) No variation
D) Fertilization occurs
Answer: C) No variation

45. The male part of a flower is known as:
A) Stamen
B) Pistil
C) Ovary
D) Stigma
Answer: A) Stamen

46. The female part of a flower is called:
A) Pistil
B) Anther
C) Filament
D) Petal
Answer: A) Pistil

47. The developing baby in the uterus is called:
A) Embryo
B) Zygote
C) Ovum
D) Sperm
Answer: A) Embryo

48. The process by which new plants grow from seeds is called:
A) Germination
B) Fertilization
C) Pollination
D) Reproduction
Answer: A) Germination

49. The outermost whorl of a flower is:
A) Calyx
B) Corolla
C) Stamen
D) Pistil
Answer: A) Calyx

50. Reproduction is essential for:
A) Growth of organism
B) Continuity of species
C) Nutrition
D) Adaptation
Answer: B) Continuity of species

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