CBSE Class 10 I Science I MCQ TEST -3 I Chapter 8 I How Do Organisms Reproduce

Q1. The transfer of pollen from the anther to stigma is called

Pollination

Fertilization

Adoption

Diffusion

Q2. The fusion of female reproductive nucleus with the male reproductive nucleus is known as

Fertilization

Pollination

Both

None of these

Q3. Fruits and seeds are formed before fertilization.

True

False

Q4. Why are petals unique in shape, odor, color, etc?

Pollination

Attraction

Adoption

None of these

Q5. What is self-pollination?

Pollens of a flower falling on another flower.

Pollens of a flower falling on the stigma of the same flower.

Pollens of the flower falling of the stigma of another flower of the same plant.

Pollens of a flower falling on any flower.

Q6. Which of the following parts of a plant take part in sexual reproduction?
(i) Flower
(ii) Seed
(iii) Fruit
(iv) Branch

(i) and (ii)

(i), (ii) and (iii)

(iii) and (iv)

(ii), (iii) and (iv)

Q7. You have observed that a pond with clear water was covered up with a green algae within a week. By which method of reproduction did the algae spread so rapidly?

Budding

Sexual reproduction

Fragmentation

Pollination

Q8. The ovaries of different flowers may contain

only one ovule

many ovules

one to many ovules

only two ovules

Q9. Which of the following statements is/are true for sexual reproduction in plants?
(i) Plants are obtained from seeds.
(ii) Two plants are always essential.
(iii) Fertilisation can occur only after pollination.
(iv) Only insects are agents of pollination.

(ii) and (iii)

(i) only

(i) and (iii)

(i) and (iv)

Q10. Pollination refers to the

transfer of pollen from anther to ovary.

transfer of male gametes from anther to stigma.

transfer of pollen from anther to stigma.

transfer of pollen from anther to ovule.

Q11. The process by which plants give rise to new plants without seeds is called

Sexual Reproduction

Asexual Reproduction

Vegetative Propagation

Budding

Q12. Male reproductive part of a plant is

Pores

Pistil

Stamen

Fusion

Q13. Which of the following is a part of stamen

Stigma

Style

Anther

Ovary

Q14. Which of the following is not a part of pistil

Stigma

Style

Anther

Ovary

Q15. The flowers which contain either only the pistil or only the stamens are called

Unisexual flowers

Bisexual flowers

Asexual flowers

None of the above

Q16. The zygote develops into

a seed

an ovule

a fruit

an embryo

Q17. Fertilisation results in the formation of

embryo

egg cell

zygote

new plant

Q18. What is the function of flower in plants?

reproduction

transportation

transpiration

respiration

Q19. Which of the following contain the female gametes of a flowering plant?

Ovules

Buds

Pollen

Spores

Q20. Which of the following is the correct sequence of events in the sexual reproduction of plant from the flowers?

Pollination, seed, fertilisation, germination

Pollination, fertilization, seed, germination

Pollination, seed, germination, fertilization

Pollination, fertilization, germination, seed