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The Fundamental Unit of Life — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
How many cells are present in human body:
  • A
    One million cells.
  • B
    One billion cells.
  • C
    One trillion cells.
  • D
    More than a trillion cells.
✓

Answer

  1. More than a trillion cells.

Explanation:

Humans are complex organisms made up of more than trillions of cells, each with their own structure and function. 

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