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Biology & Life Sciences Quiz

Biology & Life Sciences · Exam Mode

20 questions · 30 min timer · Results at the end

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 part of eye controls light entry?

    • A. Pupil
    • B. Cornea
    • C. Retina
    • D. Lens
  2. Which is the largest internal organ in the human body?

    • A. Heart
    • B. Kidney
    • C. Lungs
    • D. Liver
  3. Which hormone regulates blood sugar levels?

    • A. Insulin
    • B. Adrenaline
    • C. Estrogen
    • D. Thyroxine
  4. Which animal is a mammal that lays eggs?

    • A. Opossum
    • B. Kangaroo
    • C. Koala
    • D. Platypus
  5. What is the chemical symbol for Iron in the blood?

    • A. Fe
    • B. Ir
    • C. In
    • D. Au
  6. What is the normal blood pressure of a human?

    • A. 120/80
    • B. 100/60
    • C. 80/120
    • D. 140/90
  7. Which bird was famously affected by DDT?

    • A. Pigeon
    • B. Sparrow
    • C. Bald Eagle
    • D. Robin
  8. Which sense organ is skin?

    • A. Taste
    • B. Sight
    • C. Smell
    • D. Touch
  9. Which vitamin is essential for blood clotting?

    • A. Vitamin C
    • B. Vitamin E
    • C. Vitamin A
    • D. Vitamin K
  10. Which part of the brain controls balance?

    • A. Medulla
    • B. Hypothalamus
    • C. Cerebellum
    • D. Cerebrum
  11. What is the normal resting heart rate for an adult (bpm)?

    • A. 60-100
    • B. 100-120
    • C. 40-60
    • D. 120-150
  12. Which gas do plants absorb from the atmosphere?

    • A. Nitrogen
    • B. Oxygen
    • C. Hydrogen
    • D. Carbon Dioxide
  13. Which is the fastest land animal?

    • A. Horse
    • B. Leopard
    • C. Cheetah
    • D. Lion
  14. What is the largest organ in the human body?

    • A. Brain
    • B. Skin
    • C. Lungs
    • D. Liver
  15. What is the medical term for the 'windpipe'?

    • A. Larynx
    • B. Esophagus
    • C. Trachea
    • D. Bronchus
  16. Which part of the cell is the powerhouse?

    • A. Golgi Body
    • B. Ribosome
    • C. Nucleus
    • D. Mitochondria
  17. Which vitamin is most abundant in citrus fruits?

    • A. Vitamin A
    • B. Vitamin K
    • C. Vitamin D
    • D. Vitamin C
  18. What do bees make?

    • A. Honey
    • B. Wax
    • C. Milk
    • D. Silk
  19. Which organ controls brain?

    • A. Heart
    • B. Nerves
    • C. Head
    • D. Spinal cord
  20. Which organ pumps blood?

    • A. Liver
    • B. Lungs
    • C. Heart
    • D. Brain