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Science - General Quiz

Science - General · Hard

20 questions · Unlimited attempts · Free online practice

General science covers the broad foundational knowledge that underlies all scientific disciplines. It includes core concepts in the scientific method, basic physics, chemistry, bio...

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All 20 questions in this Science - General quiz
  1. Which era is known as the 'Age of Dinosaurs'?

    • A. Precambrian
    • B. Paleozoic
    • C. Cenozoic
    • D. Mesozoic
  2. Which temperature scale has no negative numbers?

    • A. Fahrenheit
    • B. Kelvin
    • C. Celsius
    • D. Rankine
  3. How many elements are in the Periodic Table?

    • A. 120
    • B. 118
    • C. 115
    • D. 112
  4. Which vitamin is water soluble?

    • A. E
    • B. A
    • C. C
    • D. D
  5. What is 'Greywater'?

    • A. Toxic waste
    • B. Recyclable household water
    • C. Ocean water
    • D. Rainwater
  6. Which metal is extracted from bauxite?

    • A. Aluminium
    • B. Copper
    • C. Zinc
    • D. Iron
  7. Which bond shares electrons?

    • A. Covalent
    • B. Ionic
    • C. Hydrogen
    • D. Metallic
  8. Which gas is noble gas?

    • A. Nitrogen
    • B. Oxygen
    • C. Hydrogen
    • D. Neon
  9. What is the average salinity of ocean water?

    • A. 0.015
    • B. 0.1
    • C. 0.055
    • D. 0.035
  10. Which particle has no charge?

    • A. Proton
    • B. Electron
    • C. Ion
    • D. Neutron
  11. What color are the coldest stars?

    • A. White
    • B. Blue
    • C. Yellow
    • D. Red
  12. Which metal is lightest?

    • A. Lithium
    • B. Aluminium
    • C. Zinc
    • D. Iron
  13. Which gas is used in the manufacture of vanaspati ghee?

    • A. Oxygen
    • B. Nitrogen
    • C. Carbon dioxide
    • D. Hydrogen
  14. What is the process of turning desert into fertile land?

    • A. Erosion
    • B. Land reclamation
    • C. Irrigation
    • D. Desertification
  15. Which gas is the most significan't greenhouse gas?

    • A. Nitrogen
    • B. Water vapor
    • C. Helium
    • D. Argon
  16. Which part of spectrum has highest energy?

    • A. Ultraviolet
    • B. Visible
    • C. Gamma
    • D. Infrared
  17. What type of boundary occurs when plates slide past each other?

    • A. Transform
    • B. Divergent
    • C. Convergent
    • D. Static
  18. Which gas is used for artificial ripening of green fruits?

    • A. Acetylene
    • B. Ethane
    • C. Ethylene
    • D. Methane
  19. What scale is used to measure wind speed?

    • A. Kelvin
    • B. Celsius
    • C. Beaufort
    • D. Richter
  20. What is the accumulation of toxins in a food chain called?

    • A. Erosion
    • B. Bioaccumulation
    • C. Photosynthesis
    • D. Evaporation