CBSE Class 10 Science How do Organisms Reproduce? Quiz 1

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CBSE › Class 10 › Science › How do Organisms Reproduce?

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1. Hydra usually reproduces by:

A fragmentation and budding B regeneration and budding C multiple fission and fragmentation D regeneration

2. Tubectomy is carried out by blocking the

A oviduct B uterus C cervix D vagina

3. Variations occur as a result of

A asexual reproduction B vegetative propagation C sexual reproduction D regeneration

4. Fertilisation occurs in human female when the sperms and ovum reach simultaneously at

A fallopian tube B uterus C vagina D cervix

5. AIDS is a sexually transmitted disease caused due to an infection by a

A bacteria B protozoa C virus D Plasmodium

6. In the list of organisms given below, those that reproduce by the asexual method are

A (ii) and (iv) B (i), (iii) and (iv) C (i) and (iv) D (ii), (iii) and (iv)

7. Which of the following is the correct sequence of events of sexual reproduction in a flower?

A pollination, fertilisation, seedling, embryo B seedling, embryo, fertilisation, pollination C pollination, fertilisation, embryo, seedling D embryo, seedling, pollination, fertilisation

8. Offspring formed by asexual method of reproduction have greater similarity among themselves because

A (i) and (ii) B (i) and (iii) C (ii) and (iv) D (iii) and (iv)

9. Characters that are transmitted from parents to offspring during reproduction show

A only similarities with parents B only variations with parents C both similarities and variations with parents D neither similarities nor variations

10. In Spirogyra, asexual reproduction takes place by

A breaking up of filaments into smaller bits B division of a cell into two cells C division of a cell into many cells D formation of young cells from older cells.

Practice more on How do Organisms Reproduce?

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