science
Grade-10
Easy

Question

Which of the following statement is correct about cell size?

  1. Majority of cells are less than 100 micrometers.
  2. Majority of cells are more than 100 micrometers.
  3. Majority of cells are less than 600 micrometers
  4. None of these

Hint:

Objects with size 100 μm or 0.1 mm can be visualized through naked eyes

The correct answer is: Majority of cells are less than 100 micrometers.


    • 100 μm or 0.1 mm can be visualized through naked eyes
    • Typically, cells cannot be observed without a microscope
    • Most of the cells have size less than 100 μm 
    • Exceptions can be observed with respect to cell size as follows:
    1. Size of human egg is 0.1 mm
    2. Size of Caulepra taxifolia (a green algae) is as large as 6 to 12 inches

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