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  9. Q151

SSC MTS & Havaldar 2016 · Question 151 of 162

Rh factor is named after a species of ________.

  1. ARat
  2. BMonkeyCorrect
  3. CWhale
  4. DSnake

Answer: B. Monkey

Explanation

Rh factor is an antigen, a substance which stimulates the production of antibodies to fight foreign invaders, such as viruses, bacteria, and transplanted organs. Rh factor is also called "Rhesus factor" because it was first discovered in the blood of Rhesus monkeys ( small monkeys from India often used for experimentation).

Source: SSC MTS 2016 re-exam (held 10-Oct-2017 Shift 1) paper with key+explanations, via prepp.in · reliable-secondary

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