Class 8 Science

Reproduction

Extra Questions

Multiple Choice Questions

Question 1: The gestation period in humans is of how much duration?

  • 10 weeks
  • 20 weeks
  • 30 weeks
  • 40 weeks

    Answer: (d) 40 weeks

Question 2: Which of the following organisms reproduces by binary fission?

  • Hydra
  • Sponge
  • Amoeba
  • Jellyfish

    Answer: (c) Amoeba

Question 3: How many daughter cells are produced after binary fission in amoeba?

  • One
  • Two
  • Three
  • Four

    Answer: (b) Two

Question 4: In humans, how many eggs are released by ovary every month?

  • One
  • Two
  • Four
  • Many

    Answer: (a) One

Question 5: Where does the fertilization take place in the female reproductive system?

  • Uterus
  • Fallopian tubes
  • Ovary
  • Testis

    Answer: (b) Fallopian tubes

Question 6: How much time it takes for formation of foetus in humans?

  • Three weeks
  • Six weeks
  • Nine weeks
  • Twelve weeks

    Answer: (c) Nine weeks

Question 7: Which of the following is a viviparous animal?

  • Salmon
  • Cobra
  • Salamander
  • Dolphin

    Answer: (d) Dolphin

Question 8: Which of the following shows external fertilization?

  • Rohu
  • Crocodile
  • Tortoise
  • Crow

    Answer: (a) Rohu

Question 9: What is the total number of uterus in a female?

  • One
  • Two
  • Four
  • Six

    Answer: (a) One