Olympiad – Class VIII – Science - Bio - Reproduction in Animals

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Question - 1

Which of the following statements is true about asexual reproduction?

  • A ew individuals are produced without the fusion of gametes.
  • B New individuals involves the fusion of male andJemale gametes
  • C It is a mode of reproduction which occurs only in plants
  • D New individuals are produced by the fusion of dissimilar gametes

Question - 2

Which of the following is NOT a characteristic feature of sexual reproduction?

  • A It involves the fusion of two reproductive cells
  • B It is common in most organisms.
  • C Fertilization may take place inside or outside the body of the female
  • D The offspring receives its characteristics from one parent only.

Question - 3

Which of the following is NOTan example of asexual reproduction?

  • A Reproduction in hydra
  • B Reproduction in amoeba
  • C Reproduction in bacteria
  • D Reproduction in butterfly

Question - 4

Which of the following is/are paired structure in human reproductive system?

  • A Ovary
  • B Testes
  • C Fallopian tube
  • D All of these

Question - 5

Which of the following statements about the human female egg cell is incorrect?

  • A It is produced when a female reaches puberty
  • B The two ovaries in a female alternately produce the egg cells
  • C One egg cell is usually produced by a female every 28 days
  • D An egg cell can live in the body of a female for about a month.

Question - 6

Identify W,X,Y and Z in the given figure.

  • A (W) (X) (Y) (Z) placenta Foetus Amniotic fluid Foetal membrane
  • B (W) (X) (Y) (Z) Umbilical cord Embryc Uterus Vagina
  • C (W) (X) (Y) (Z) Placenta Foetus Uterus Foetal membrane
  • D (W) (X) (Y) (Z) Umbilical cord Zygote Amniotic fluid Cervix

Question - 7

Which part within the uterus prevents the mixing of the blood ofthe foetus with that of the mother?

  • A Umbilical cord
  • B Uterus wall
  • C Placenta
  • D Water sac

Question - 8

Which of the following sequences is in the correct order?

  • A Zygote -Embryo -Foetus -Baby
  • B Zygote -Embryo -Baby -Foetus
  • C Embryo -Zygote - Baby -Foetus
  • D Foetus - Zygote - Embryo -Baby

Question - 9

Which of the following is NOT true of the process of reproduction?

  • A Unicellular organisms cannot reproduce
  • B Reproduction is the process of producing young animals or plants
  • C Reproduction is one of the life processes of living things
  • D Reproduction is of two types, sexual and asexual reproduction.

Question - 10

Which of these organisms reproduce in the same way as yeast?

  • A Hydra
  • B Amoeba
  • C Starfish
  • D Flatworm