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Railways PYQCBT 1 2016

RRB NTPC · Question 1

Leukemia is a type of human disease which is A. a cancer of the white blood cells B. caused by a deficiency of vitamins C. cancer in the brain D. caused by an overdose of proteins

  1. D

  2. A

  3. B

  4. C

Show answer & explanation

Answer: (B) A

Explanation

Leukaemia is a cancer of the blood-forming tissues in which abnormal white blood cells multiply uncontrollably in the bone marrow.