MCQs
1. Reproduction is important because it:
A. Increases body size
B. Produces food
C. Ensures continuity of life
D. Stops ageing
Answer: C
2. Asexual reproduction involves:
A. Two parents
B. Formation of gametes
C. One parent only
D. Fertilisation only
Answer: C
3. Vegetative propagation occurs through:
A. Flowers only
B. Vegetative parts of plants
C. Seeds only
D. Fruits only
Answer: B
4. Bryophyllum reproduces through:
A. Stem
B. Root
C. Leaf
D. Flower
Answer: C
5. Potato reproduces vegetatively through:
A. Flower
B. Fruit
C. Underground stem
D. Leaf
Answer: C
6. Grafting is commonly used in:
A. Animal breeding
B. Crop improvement
C. Water purification
D. Respiration studies
Answer: B
7. Tissue culture helps in:
A. Producing diseased plants
B. Rapid multiplication of plants
C. Reducing crop growth
D. Stopping reproduction
Answer: B
8. Budding occurs in:
A. Hydra
B. Frog
C. Fish
D. Cockroach
Answer: A
9. Yeast reproduces by:
A. Fragmentation
B. Budding
C. Binary fission
D. Spore fusion
Answer: B
10. Fungi commonly reproduce through:
A. Seeds
B. Buds
C. Spores
D. Eggs
Answer: C
11. Spores are:
A. Heavy structures
B. Usually single-celled reproductive units
C. Male gametes only
D. Non-living particles
Answer: B
12. Mitosis produces:
A. Genetically different cells
B. Haploid cells
C. Identical daughter cells
D. Gametes only
Answer: C
13. Offspring produced asexually are called:
A. Hybrids
B. Clones
C. Mutants
D. Embryos
Answer: B
14. Sexual reproduction involves:
A. One parent only
B. No gametes
C. Two parents
D. Spores only
Answer: C
15. Meiosis reduces chromosome number to:
A. Double
B. Half
C. Triple
D. Zero
Answer: B
16. Gametes are:
A. Body cells
B. Reproductive cells
C. Blood cells
D. Nerve cells
Answer: B
17. Male gamete in animals is called:
A. Ovule
B. Egg
C. Sperm
D. Zygote
Answer: C
18. Female gamete in animals is:
A. Pollen grain
B. Egg
C. Spore
D. Bud
Answer: B
19. Humans have total chromosomes:
A. 23
B. 46
C. 44
D. 92
Answer: B
20. Human gametes contain:
A. 46 chromosomes
B. 92 chromosomes
C. 23 chromosomes
D. 12 chromosomes
Answer: C
21. The reproductive organ of flowering plants is:
A. Root
B. Stem
C. Flower
D. Leaf
Answer: C
22. The male reproductive part of flower is:
A. Pistil
B. Ovary
C. Stamen
D. Petal
Answer: C
23. The female reproductive part of flower is:
A. Sepal
B. Pistil
C. Stamen
D. Anther
Answer: B
24. Pollen grains are produced in:
A. Ovary
B. Stigma
C. Anther
D. Style
Answer: C
25. Ovules are present inside:
A. Stigma
B. Style
C. Ovary
D. Petal
Answer: C
26. Transfer of pollen from anther to stigma is:
A. Fertilisation
B. Pollination
C. Germination
D. Budding
Answer: B
27. Pollination within the same flower is:
A. Cross-pollination
B. Self-pollination
C. Fertilisation
D. Budding
Answer: B
28. Cross-pollination occurs between:
A. Same ovule
B. Different flowers of same species
C. Same pollen grains
D. Same gametes
Answer: B
29. Fusion of male and female gametes is:
A. Pollination
B. Germination
C. Fertilisation
D. Budding
Answer: C
30. Fertilised egg is called:
A. Embryo
B. Zygote
C. Ovule
D. Foetus
Answer: B
Assertion–Reason MCQs
31.
Assertion (A): Asexual reproduction produces genetically identical offspring.
Reason (R): Asexual reproduction involves mitosis.
A. Both A and R are true, and R explains A
B. Both A and R are true, but R does not explain A
C. A is true but R is false
D. A is false but R is true
Answer: A
32.
Assertion (A): Cross-pollination creates more variation.
Reason (R): Gametes come from different plants.
A. Both A and R are true, and R explains A
B. Both A and R are true, but R does not explain A
C. A is true but R is false
D. A is false but R is true
Answer: A
33.
Assertion (A): Meiosis is important in sexual reproduction.
Reason (R): It reduces chromosome number by half.
A. Both A and R are true, and R explains A
B. Both A and R are true, but R does not explain A
C. A is true but R is false
D. A is false but R is true
Answer: A
34.
Assertion (A): Pollination is necessary for fruit formation.
Reason (R): Fruits develop from ovary after fertilisation.
A. Both A and R are true, and R explains A
B. Both A and R are true, but R does not explain A
C. A is true but R is false
D. A is false but R is true
Answer: A
Case-Based MCQs
Case Study 1
A gardener propagated rose plants using stem grafting.
35. Grafting is a type of:
A. Sexual reproduction
B. Asexual reproduction
C. Binary fission
D. Fertilisation
Answer: B
36. Grafting helps farmers to:
A. Reduce crop yield
B. Produce desirable varieties quickly
C. Prevent pollination
D. Stop plant growth
Answer: B
37. Plants produced by grafting are usually:
A. Genetically different
B. Identical to parent traits
C. Sterile only
D. Seedless always
Answer: B
Case Study 2
A flower receives pollen grains on its stigma from another flower of the same species.
38. This process is:
A. Self-pollination
B. Budding
C. Cross-pollination
D. Fragmentation
Answer: C
39. After fertilisation, ovules develop into:
A. Petals
B. Stamens
C. Seeds
D. Sepals
Answer: C
Competency-Based MCQs
40. Which method is MOST suitable for producing many identical banana plants quickly?
A. Seed formation
B. Tissue culture
C. Pollination
D. Fertilisation
Answer: B
41. Which pollination method usually creates greater variation?
A. Self-pollination
B. Budding
C. Cross-pollination
D. Spore formation
Answer: C
42. Which structure attracts insects for pollination?
A. Sepals
B. Petals
C. Ovules
D. Roots
Answer: B
43. Wind-pollinated flowers generally produce:
A. Very few pollen grains
B. Large sticky pollen only
C. Large number of light pollen grains
D. Bright coloured petals only
Answer: C
44. The embryo develops from:
A. Ovary
B. Zygote
C. Petal
D. Anther
Answer: B
45. Which reproductive method produces maximum genetic variation?
A. Budding
B. Vegetative propagation
C. Sexual reproduction
D. Spore formation
Answer: C
46. In humans, fertilisation occurs in:
A. Uterus
B. Ovary
C. Oviduct
D. Vagina
Answer: C
47. The uterus mainly functions to:
A. Produce sperm
B. Produce pollen
C. Support development of foetus
D. Store urine
Answer: C
48. Menstruation occurs when:
A. Fertilisation occurs
B. Uterine lining sheds
C. Ovary disappears
D. Embryo develops
Answer: B
49. Which contraceptive method also helps prevent STIs?
A. Copper-T
B. Oral pills
C. Condoms
D. Surgery
Answer: C
50. Which statement BEST explains the importance of meiosis?
A. It increases chromosome number
B. It produces identical body cells
C. It maintains chromosome number across generations
D. It stops fertilisation
Answer: C