Extra 40 MCQs with answers from the chapter:7 "How Do Organisms Reproduce?" for Class 10 CBSE Science.
Which of the following is NOT an example of asexual reproduction?
a) Binary fission
b) Budding
c) Pollination
d) Fragmentation
Answer:
c) Pollination
Which organism reproduces by binary fission?
a) Hydra
b) Amoeba
c) Earthworm
d) Mushroom
Answer:
b) Amoeba
Budding is a type of asexual reproduction seen in:
a) Paramecium
b) Hydra
c) Amoeba
d) Bacteria
Answer:
b) Hydra
What is the advantage of vegetative propagation in plants?
a) Produces new varieties
b) Faster reproduction
c) Requires seeds
d) Produces genetically different plants
Answer:
b) Faster reproduction
Which of the following is an example of vegetative propagation?
a) Grafting
b) Spore formation
c) Binary fission
d) Budding
Answer:
a) Grafting
Spore formation occurs in:
a) Yeast
b) Amoeba
c) Rhizopus
d) Hydra
Answer:
c) Rhizopus
Which part of
Bryophyllum
helps in vegetative propagation?
a) Leaves
b) Roots
c) Stems
d) Flowers
Answer:
a) Leaves
Which of the following is NOT a method of asexual reproduction?
a) Budding
b) Grafting
c) Spore formation
d) Binary fission
Answer:
b) Grafting
What is the main disadvantage of asexual reproduction?
a) Takes a long time
b) No genetic variation
c) Requires two parents
d) Produces fewer offspring
Answer:
b) No genetic variation
Which of the following reproduces through fragmentation?
a) Planaria
b) Hydra
c) Yeast
d) Amoeba
Answer:
a) Planaria
Which of the following organisms reproduce sexually?
a) Hydra
b) Bacteria
c) Humans
d) Amoeba
Answer:
c) Humans
Which of the following is a male reproductive organ in plants?
a) Ovary
b) Pistil
c) Stigma
d) Stamen
Answer:
d) Stamen
The female reproductive organ in plants is called:
a) Ovary
b) Anther
c) Stamen
d) Petal
Answer:
a) Ovary
Fertilization in flowering plants occurs in the:
a) Ovule
b) Stigma
c) Anther
d) Petal
Answer:
a) Ovule
Which process leads to the formation of zygote in sexual reproduction?
a) Mitosis
b) Meiosis
c) Fertilization
d) Pollination
Answer:
c) Fertilization
Which of the following is NOT a method of pollination?
a) Wind pollination
b) Water pollination
c) Animal pollination
d) Budding
Answer:
d) Budding
Which part of the flower becomes the fruit?
a) Ovule
b) Ovary
c) Petal
d) Anther
Answer:
b) Ovary
Which part of the flower develops into seeds?
a) Ovule
b) Stigma
c) Style
d) Sepal
Answer:
a) Ovule
Which type of reproduction increases genetic variation?
a) Asexual
b) Sexual
c) Budding
d) Binary fission
Answer:
b) Sexual
What is the function of the fallopian tube in human females?
a) Produces eggs
b) Transports egg to the uterus
c) Secretes hormones
d) Supports the
fetus
Answer:
b) Transports egg to the uterus
Which organ produces sperm in males?
a) Testis
b) Penis
c) Ovary
d) Uterus
Answer:
a) Testis
Where does fertilization occur in human females?
a) Uterus
b) Ovary
c) Fallopian tube
d) Vagina
Answer:
c) Fallopian tube
The function of the uterus in females is to:
a) Store sperm
b) Support
fatal
development
c) Produce eggs
d) Transport eggs
Answer:
b) Support
fatal
development
The hormone responsible for female secondary sexual characteristics is:
a) Testosterone
b) Insulin
c)
Oestrogen
d) Adrenaline
Answer:
c)
Oestrogen
Which of the following prevents pregnancy?
a) Insulin
b) Contraceptive pills
c) Testosterone
d)
Oestrogen
Answer:
b) Contraceptive pills
Which part of the male reproductive system produces sperm?
a) Penis
b) Testes
c) Vas deferens
d) Urethra
Answer:
b) Testes
Which structure carries sperm from testes to urethra?
a) Vas deferens
b) Ovary
c) Fallopian tube
d) Uterus
Answer:
a) Vas deferens
What is the main function of the placenta in pregnant women?
a) Protects the baby
b) Supplies nutrients and oxygen
c) Produces hormones
d) Helps in digestion
Answer:
b) Supplies nutrients and oxygen
Which of the following is a sexually transmitted disease (STD)?
a) Malaria
b) AIDS
c) Tuberculosis
d) Typhoid
Answer:
b) AIDS
Which of the following is a permanent method of birth control?
a) Condoms
b) Oral pills
c) Vasectomy
d) Copper-T
Answer:
c) Vasectomy
Which process produces gametes in sexual reproduction?
a) Mitosis
b) Meiosis
c) Budding
d) Binary fission
Answer:
b) Meiosis
Which of the following organisms reproduce sexually?
a) Bacteria
b) Amoeba
c) Human
d) Yeast
Answer:
c) Human
What is the main purpose of reproduction?
a) Survival of individual
b) Continuation of species
c) Growth of the body
d) Digestion
Answer:
b) Continuation of species
Which method of reproduction ensures maximum variation?
a) Asexual reproduction
b) Sexual reproduction
Answer:
b) Sexual reproduction
Where is DNA found?
a) Nucleus
b) Cytoplasm
Answer:
a) Nucleus
36. What is the main purpose of pollination in plants?
a) To produce new leaves
b) To transfer pollen to the stigma
c) To produce chlorophyll
d) To help in vegetative propagation
Answer: b) To transfer pollen to the stigma
37. Which of the following is NOT a type of contraception?
a) Condom
b) Oral pills
c) Fertilization
d) Copper-T
Answer: c) Fertilization
38. The surgical method of contraception in females is called:
a) Vasectomy
b) Tubectomy
c) Contraceptive pills
d) Barrier method
Answer: b) Tubectomy
39. Which of the following is a female reproductive organ?
a) Testes
b) Uterus
c) Vas deferens
d) Penis
Answer: b) Uterus
40. Which of the following is a characteristic of asexual reproduction?
a) Requires two parents
b) Produces genetically identical offspring
c) Leads to variation in offspring
d) Involves fusion of gametes
Answer: b) Produces genetically identical offspring
