NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The basic structural and functional unit of all living organism is
A
cell
B
cell wall
C
cell membrane
D
chloroplasts
Explanation: 

Detailed explanation-1: -Cells are called the structural and functional unit of life because all the living organisms are made up of cells and also all the functions taking place inside the body of organisms are performed by cells. Cells provide specific conditions, for the occurrence of the metabolic reactions.

Detailed explanation-2: -A cell is capable of carrying out all life processes, such as nutrition, excretion, respiration, etc. Hence it is called as the functional unit of life. The cell is the smallest unit of life and all the living beings are made up of cells. Hence a cell is called the structural unit of life.

Detailed explanation-3: -In anatomy, the basic structural unit of the body is the cell. All living organisms have cells, which start as the zygote-the single cell at the beginning of life, after a spermatazoon fertilizes an oocyte.

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