Biology Quiz: Can You Beat This Science Challenge?

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  • Questions: 10
  • Last Updated: 04 Sep, 2025
  • Attempts: 1
  • liked by 100%
Let's Start this Quiz

Biology is life science. Don't panic, however, you won't have to be a textbook geek to answer these. They're just groovy easy questions about the human body and the outside world see how much you know!

Which gas do humans need to breathe in to stay alive?

  • Oxygen

  • Carbon dioxide

  • Nitrogen

  • Hydrogen

Which vitamin is produced in the skin when exposed to sunlight?

  • Vitamin A

  • Vitamin C

  • Vitamin D

  • Vitamin B12

Which organ in plants takes water from the soil?

  • Leaves

  • Roots

  • Stem

  • Flowers

Which part of the plant makes food using sunlight?

  • Stem

  • Roots

  • Leaves 

  • Flowers

Which blood cells help fight infections?

  • Red blood cells

  • Platelets

  • Plasma

  • White blood cells

How many bones are there in an adult human body?

  • 206

  • 250

  • 180

  • 300

Which blood type is known as the universal donor?

  • A+

  • AB+

  • B-

  • O-

Which part of the human body carries messages between brain and body?

  • Lungs

  • Kidneys

  • Spinal cord

  • Heart

What is the basic unit of life?

  • Atom

  • Cell

  • Tissue

  • Organ

Which system in the body helps in breaking down food into nutrients?

  • Nervous system

  • Respiratory system

  • Digestive system

  • Circulatory system

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