2. Sample Papers
  3. 7th Class
  4. General Knowledge

7th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-9

  • question_answer
    The lifespan of human WBC is approximately:

    A)  Less than 20 days

    B)  Between 20 and 30 days

    C)  Between 2 and 3 months

    D)  More than 4 months

    E)  Less than 10 days

    Correct Answer: E

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