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Basic science MCQS

 


  1. Which part of the cell controls all activities of the cell?
    A. Cytoplasm
    B. Nucleus
    C. Ribosome
    D. Mitochondria
  2. Water turns into vapor through which process?
    A. Condensation
    B. Evaporation
    C. Freezing
    D. Sublimation
  3. Which gas is essential for human respiration?
    A. Nitrogen
    B. Carbon dioxide
    C. Oxygen
    D. Hydrogen
  4. The Earth revolves around the Sun in about:
    A. 24 hours
    B. 30 days
    C. 1 year
    D. 5 years
  5. The hardest natural substance is:
    A. Gold
    B. Iron
    C. Diamond
    D. Silver
  6. The unit of electric current is:
    A. Volt
    B. Ampere
    C. Watt
    D. Ohm
  7. Which planet is known as the Red Planet?
    A. Venus
    B. Mars
    C. Jupiter
    D. Mercury
  8. Plants prepare food through which process?
    A. Respiration
    B. Fermentation
    C. Photosynthesis
    D. Digestion
  9. Which organ pumps blood throughout the body?
    A. Stomach
    B. Heart
    C. Liver
    D. Kidney
  10. Sound travels fastest in:
    A. Air
    B. Water
    C. Steel
    D. Vacuum


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