Multiple choice

Quarks and Leptons are

  1. small celestial bodies moving in space at great speed

  2. small particles constituting blood

  3. the basic building blocks of protons, neutrons and electrons

  4. Meteorological phenomena which happen close to poles
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Quarks and Leptons are elementary particles in the Standard Model of particle physics. Quarks combine to form protons and neutrons, while electrons (a type of lepton) orbit atomic nuclei. They are not celestial bodies, blood constituents, or meteorological phenomena.

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