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NDA 2 2024 GAT, question 57

Topic: Chemistry

Q57

Which one among the following separation techniques is used for blood tests in diagnostic laboratories ?

  1. (a) Filtration
  2. (b) Chromatography
  3. (c) CentrifugationCorrect answer
  4. (d) Crystallization

Solution.

Answer: (c) Centrifugation

  1. Centrifugation spins a sample so components separate according to their sedimentation behaviour.
  2. It is routinely used to separate blood cells from the fluid fraction for diagnostic analysis.