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📘 Study MCQs
Q1. What is reproduction in living organisms?
• The process of making food
• The process of producing new individuals
• The process of breathing
• The process of moving
Answer: The process of producing new individuals
Reproduction is the biological process by which living organisms produce new individuals of their own kind to continue their species.
Q2. Which mode of reproduction involves only one parent?
• Sexual reproduction
• Asexual reproduction
• Fertilisation
• Pollination
Answer: Asexual reproduction
In asexual reproduction, only one parent is involved and the offspring are usually identical to the parent.
Q3. Which mode of reproduction requires two parents?
• Asexual reproduction
• Sexual reproduction
• Vegetative propagation
• Budding
Answer: Sexual reproduction
Sexual reproduction involves two parents, a male and a female, and includes the fusion of male and female gametes.
Q4. Which of the following is an example of asexual reproduction in plants?
• Seed formation
• Vegetative propagation
• Fertilisation
• Pollination
Answer: Vegetative propagation
Vegetative propagation is a type of asexual reproduction where new plants grow from roots, stems, or leaves.
Q5. Which part of a flower is the male reproductive organ?
• Pistil
• Stamen
• Sepal
• Petal
Answer: Stamen
The stamen is the male reproductive organ of a flower and produces pollen grains.
Q6. Which part of a flower is the female reproductive organ?
• Stamen
• Anther
• Pistil
• Filament
Answer: Pistil
The pistil is the female reproductive organ of a flower and contains the ovary where ovules are present.
Q7. What is fertilisation?
• Formation of seeds
• Fusion of male and female gametes
• Growth of plant
• Pollination process
Answer: Fusion of male and female gametes
Fertilisation occurs when the male and female gametes join to form a zygote.
Q8. Which cell is formed after fertilisation?
• Pollen
• Ovule
• Zygote
• Embryo sac
Answer: Zygote
After fertilisation, the fused cell is called a zygote, which later develops into a new organism.
Q9. Which of the following animals gives birth to young ones?
• Hen
• Frog
• Cow
• Lizard
Answer: Cow
Animals that give birth to young ones are called viviparous animals, and the cow is one of them.
Q10. Which of the following animals lays eggs?
• Dog
• Cat
• Hen
• Human
Answer: Hen
Egg-laying animals are called oviparous animals. The hen lays eggs.
Q11. Which reproduction method occurs in Hydra?
• Fragmentation
• Budding
• Seed formation
• Fertilisation
Answer: Budding
Hydra reproduces asexually by budding, where a new individual grows from a small part of the parent body.
Q12. Which plant reproduces by spores?
• Mango
• Fern
• Rose
• Wheat
Answer: Fern
Ferns reproduce by spores instead of seeds.
Q13. What is vegetative propagation?
• Reproduction through seeds
• Reproduction through roots, stems, or leaves
• Reproduction through flowers
• Reproduction through fruits
Answer: Reproduction through roots, stems, or leaves
Vegetative propagation is a method where new plants grow from parts like stem, leaf, or root.
Q14. Which of the following is an example of vegetative propagation?
• Potato
• Rice
• Wheat
• Maize
Answer: Potato
Potato grows from its underground stem called a tuber, which is an example of vegetative propagation.
Q15. Which cell is the male gamete in animals?
• Egg
• Sperm
• Zygote
• Embryo
Answer: Sperm
The sperm is the male reproductive cell that fuses with the egg during fertilisation.
Q16. Which cell is the female gamete in animals?
• Sperm
• Egg
• Zygote
• Embryo
Answer: Egg
The egg is the female reproductive cell that joins with sperm to form a zygote.
Q17. Where are sperm produced in human males?
• Ovary
• Testes
• Uterus
• Kidney
Answer: Testes
Testes are the male reproductive organs where sperm cells are produced.
Q18. Where are eggs produced in human females?
• Uterus
• Ovary
• Liver
• Stomach
Answer: Ovary
Ovaries are the female reproductive organs that produce eggs.
Q19. What is IVF?
• A plant disease
• A fertilisation method outside the body
• A type of seed
• A type of animal
Answer: A fertilisation method outside the body
In IVF, fertilisation happens in a laboratory outside the body and the embryo is later placed in the uterus.
Q20. Test tube babies are produced by which method?
• Cloning
• IVF
• Budding
• Fragmentation
Answer: IVF
Test tube babies are born through IVF, where fertilisation occurs outside the mother’s body.
Q21. Which animal shows asexual reproduction by fragmentation?
• Starfish
• Dog
• Cow
• Cat
Answer: Starfish
Starfish can reproduce by fragmentation, where a broken part grows into a new individual.
Q22. Which part of the stamen produces pollen?
• Anther
• Filament
• Ovary
• Stigma
Answer: Anther
The anther is the top part of the stamen that produces pollen grains.
Q23. Which part of the pistil receives pollen?
• Ovary
• Stigma
• Style
• Root
Answer: Stigma
The stigma is the sticky top part of the pistil that receives pollen during pollination.
Q24. Which type of reproduction produces identical offspring?
• Sexual reproduction
• Asexual reproduction
• Fertilisation
• IVF
Answer: Asexual reproduction
Asexual reproduction produces offspring that are exactly like the parent.
Q25. Which plant reproduces through stem cutting?
• Rose
• Rice
• Wheat
• Maize
Answer: Rose
Rose plants can grow from stem cuttings, which is a type of vegetative propagation.
Q26. Which animal is viviparous?
• Fish
• Hen
• Dog
• Frog
Answer: Dog
Viviparous animals give birth to young ones, and dogs give birth to puppies.
Q27. Which animal is oviparous?
• Cow
• Human
• Bird
• Cat
Answer: Bird
Birds lay eggs, so they are oviparous animals.
Q28. What is the first stage of development after fertilisation?
• Embryo
• Zygote
• Foetus
• Baby
Answer: Zygote
The zygote is the first cell formed after fertilisation and later develops into an embryo.
Q29. Which structure connects the stigma to the ovary?
• Style
• Anther
• Filament
• Petal
Answer: Style
The style is the tube-like structure that connects the stigma to the ovary.
Q30. Which part of the pistil contains ovules?
• Stigma
• Ovary
• Style
• Petal
Answer: Ovary
The ovary contains ovules, which develop into seeds after fertilisation.
Q31. Which method is used to grow banana plants?
• Seeds
• Vegetative propagation
• Spores
• Pollination
Answer: Vegetative propagation
Banana plants are commonly grown using vegetative propagation from suckers.
Q32. Which of the following is a type of asexual reproduction in yeast?
• Budding
• Fertilisation
• Pollination
• Seed formation
Answer: Budding
Yeast reproduces by budding, where a small outgrowth forms a new organism.
Q33. Which organ helps in the development of the baby in females?
• Ovary
• Uterus
• Kidney
• Liver
Answer: Uterus
The uterus is the organ where the fertilised egg grows and develops into a baby.
Q34. Which reproduction produces variation in offspring?
• Asexual reproduction
• Sexual reproduction
• Budding
• Fragmentation
Answer: Sexual reproduction
Sexual reproduction creates variation because genes from two parents combine.
Q35. Which plant reproduces by leaves?
• Bryophyllum
• Rice
• Wheat
• Mango
Answer: Bryophyllum
Bryophyllum produces new plants from buds present on the edges of its leaves.
Q36. Which part of the male reproductive system produces sperm?
• Testes
• Uterus
• Ovary
• Stomach
Answer: Testes
The testes produce sperm cells in males.
Q37. Which part stores sperm in males?
• Testes
• Sperm duct
• Ovary
• Uterus
Answer: Sperm duct
The sperm duct carries and stores sperm before it is released.
Q38. What is the process of transfer of pollen from anther to stigma called?
• Fertilisation
• Pollination
• Budding
• Fragmentation
Answer: Pollination
Pollination is the transfer of pollen grains from anther to stigma.
Q39. Which part develops into a seed after fertilisation?
• Ovule
• Petal
• Leaf
• Stem
Answer: Ovule
The ovule develops into a seed after fertilisation.
Q40. Which part develops into fruit after fertilisation?
• Ovary
• Stigma
• Style
• Petal
Answer: Ovary
After fertilisation, the ovary grows into a fruit.
Q41. Which type of fertilisation occurs inside the female body?
• Internal fertilisation
• External fertilisation
• Pollination
• Budding
Answer: Internal fertilisation
Internal fertilisation occurs inside the female body, as in humans and mammals.
Q42. Which animals show external fertilisation?
• Fish and frogs
• Dogs and cats
• Cows and goats
• Humans and monkeys
Answer: Fish and frogs
In fish and frogs, fertilisation happens outside the body in water.
Q43. Which term is used for animals that give birth to babies?
• Oviparous
• Viviparous
• Asexual
• Spores
Answer: Viviparous
Viviparous animals give birth to young ones instead of laying eggs.
Q44. Which term is used for egg-laying animals?
• Viviparous
• Oviparous
• Asexual
• Budding
Answer: Oviparous
Oviparous animals lay eggs, such as birds and reptiles.
Q45. What is the main aim of reproduction?
• To increase size
• To continue species
• To get food
• To move
Answer: To continue species
Reproduction ensures that the species continues to exist on Earth.
Q46. Which animal reproduces by laying eggs in water?
• Frog
• Dog
• Cat
• Cow
Answer: Frog
Frogs lay eggs in water where fertilisation takes place.
Q47. What is the early developing stage of a baby called?
• Zygote
• Embryo
• Seed
• Spores
Answer: Embryo
The embryo is the early stage of development after the zygote starts growing.
Q48. Which structure protects the baby inside the mother?
• Uterus
• Liver
• Heart
• Kidney
Answer: Uterus
The uterus protects and nourishes the developing baby.
Q49. Which is an example of sexual reproduction in plants?
• Seed formation
• Stem cutting
• Leaf buds
• Root growth
Answer: Seed formation
Seed formation occurs after fertilisation and is a result of sexual reproduction in plants.
Q50. What happens after fertilisation in humans?
• Baby is formed immediately
• Zygote forms and develops
• Egg disappears
• Sperm grows
Answer: Zygote forms and develops
After fertilisation, a zygote is formed which divides and develops into an embryo and later a baby.