Class 10 Biology


Exemplar Problems MCQ I

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

  • Banana
  • Dog
  • Yeast
  • Amoeba
  • (ii) and (iv)
  • (i), (iii) and (iv)
  • (i) and (iv)
  • (ii), (iii) and (iv)

    Answer:(b) (i), (iii) and (iv)

In a flower, the parts that produce male and female gametes (germ cells) are

  • Stamen and anther
  • Filament and stigma
  • Anther and ovary
  • Stamen and style

    Answer: (c) Anther and Ovary

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

  • Pollination, fertilisation, seedling, embryo
  • Seedling, embryo, fertilisation, pollination
  • Pollination, fertilisation, embryo, seedling
  • Embryo, seedling, pollination, fertilization

    Answer: (c) Pollination, fertilization, embryo, seedling

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

  • Asexual reproduction involves only one parent
  • Asexual reproduction does not involve gametes
  • Asexual reproduction occurs before sexual reproduction
  • Asexual reproduction occurs after sexual reproduction
  • (i) and (ii)
  • (i) and (iii)
  • (ii) and (iv)
  • (iii) and (iv)

    Answer: (a) (i) and (ii)

Characters transmitted from parents to offspring are present in

  • Cytoplasm
  • Ribosome
  • Golgi bodies
  • Genes

    Answer: (d) Genes

Characters that are transmitted from parents to offspring during reproduction show

  • Only similarities with parents
  • Only variations with parents
  • Both similarities and variations with parents
  • Neither similarities nor variations

    Answer: (c) Both similarities and variations with parents

A feature of reproduction that is common to Amoeba, Spirogyra and Yeast is that

  • They reproduce asexually
  • They are all unicellular
  • They reproduce only sexually
  • They are all multicellular

    Answer: (a) They reproduce asexually

In Spirogyra, asexual reproduction takes place by

  • Breaking up of filaments into smaller bits
  • Division of a cell into two cells
  • Division of a cell into many cells
  • Formation of young cells from older cells

    Answer: (a) Breaking up of filaments into smaller bits

The ability of a cell to divide into several cells during reproduction in Plasmodium is called

  • Budding
  • Reduction division
  • Binary fission
  • Multiple fission

    Answer: (d) Multiple Fission