NEET BIOLOGY

Detailed explanation-1: -False. There are some organisms with single cell, which are called unicellular organisms, in which various life activities are carried out by the single cell.

Detailed explanation-2: -A cell is the smallest unit that is typically considered alive and is a fundamental unit of life. All living organisms are composed of cells, from just one (unicellular) to many trillions (multicellular).

Detailed explanation-3: -All living things, or organisms, are made up of at least one cell. Some organisms, such as amoebas, are made up of only one cell and are therefore called unicellular organisms. On the other hand, multicellular organisms, such as humans, are composed of more than one cell.

Detailed explanation-4: -Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. Unicellular organisms include bacteria, protists, and yeast.