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Biology & Life Sciences Quiz

Biology & Life Sciences · Timed

20 questions · 10 min timer · Instant feedback

Life on Earth exists in an extraordinary variety of forms, from microscopic cells to towering trees and complex animal species. Biology helps us understand how living organisms gro...

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All 20 questions in this Biology & Life Sciences quiz
  1. Which organism is used for fermentation in bread?

    • A. Bacteria
    • B. Algae
    • C. Virus
    • D. Yeast
  2. What is an 'Antibiotic' used to treat?

    • A. Bacteria
    • B. Parasites
    • C. Viruses
    • D. Fungi
  3. Which animal is a 'keystone species'?

    • A. Fly
    • B. Mosquito
    • C. Pigeon
    • D. Sea Otter
  4. Which gas do plants absorb?

    • A. Oxygen
    • B. Carbon Dioxide
    • C. Hydrogen
    • D. Nitrogen
  5. Which organelle is absent in animal cell?

    • A. Mitochondria
    • B. Cell wall
    • C. Nucleus
    • D. Ribosome
  6. Which blood group is universal donor?

    • A. A
    • B. B
    • C. AB
    • D. O
  7. What is the process of plants releasing water vapor?

    • A. Photosynthesis
    • B. Evaporation
    • C. Respiration
    • D. Transpiration
  8. What is the respiratory organ of a fish?

    • A. Lungs
    • B. Skin
    • C. Trachea
    • D. Gills
  9. Which animal is known as amphibian?

    • A. Dog
    • B. Fish
    • C. Frog
    • D. Snake
  10. What is the normal blood pressure of a human?

    • A. 120/80
    • B. 100/60
    • C. 80/120
    • D. 140/90
  11. Which vitamin deficiency causes Scurvy?

    • A. Vitamin C
    • B. Vitamin A
    • C. Vitamin B
    • D. Vitamin D
  12. What is the medical name for the thigh bone?

    • A. Femur
    • B. Humerus
    • C. Tibia
    • D. Fibula
  13. Which animal is the fastest?

    • A. Lion
    • B. Leopard
    • C. Cheetah
    • D. Horse
  14. How many chromosomes are in a human body cell?

    • A. 48
    • B. 23
    • C. 46
    • D. 44
  15. Which human organ can regenerate itself?

    • A. Heart
    • B. Brain
    • C. Lungs
    • D. Liver
  16. Which animal is a mammal that lays eggs?

    • A. Opossum
    • B. Kangaroo
    • C. Koala
    • D. Platypus
  17. Which organ controls brain?

    • A. Heart
    • B. Nerves
    • C. Head
    • D. Spinal cord
  18. Which organ uses insulin?

    • A. Kidney
    • B. Stomach
    • C. Liver
    • D. Pancreas
  19. What gas do plants absorb from air?

    • A. Nitrogen
    • B. Hydrogen
    • C. Carbon Dioxide
    • D. Oxygen
  20. Which enzyme digests protein?

    • A. Amylase
    • B. Lipase
    • C. Trypsin
    • D. Pepsin