Question

what is the meaning of nucleus

Answer 1

neucleus is the king of the cell which controls all the functions of cell.
it has its own dna which helps it to reproduce.

it is the master of the cell

Answer 2

Nucleus is the control centre of a cell. It is spherical or oval in shape. It is surrounded by a double membrane called nuclear membran. The nuclear membrane encloses a dense,colourless fluid called nucleoplasm. It contains one or more spherical bodies called nucleolus.