Question

Size of an organism increases due to

• A. Increase in cell size
• B. Increase in cell mass
• C. Increase in cell number
• D. Increase in cell function

Answer 1

The correct option is C

Increase in cell number

Life of all multicellular organisms begins with a single cell. The single cell divides into many cells resulting in an increase in the size of the organism. An organism does not increase in size because of increase in the mass, function or size of a single cell.