Question

Majority of cells cannot be seen directly with our naked eyes because-

• A. Organisms are generally unicellular.
• B. Most of the cells are microscopic.
• C. Most of the cells do not contain nucleus.
• D. Cells are grouped into tissues.

Answer 1

The correct option is B Most of the cells are microscopic.

Most of the cells are microscopic in size and are not visible to the naked eye. They need to be enlarged or magnified by a microscope. E.g., the bacterial cell (0.1 to 0.5 mm).