Short answer question: Write short notes on nucleus of a cell.
(i) Nucleus is located in the centre of cell and is spherical in shape. (ii) It is a double membrane bound structure. (iii) It encloses the genetic material (DNA or RNA) in it. (iv) It can be seen through the microscope on being stained. (v) Nuclear membrane is a porous membrane separates the nucleus from the cytoplasm and allows the transport of materials between the cytoplasm and inside of the nucleus.