Question
Why is nucleus called director of the cell?
Why is nucleus called director of the cell?
Nucleus controls cell metabolism and other activities of cell, hence it is also called Master or Director of the cell.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
The atomic number of calcium and argon are 20 and 18 respectively, but the mass number of both these elements is 40. What is the name given to such a pair of elements?
A person of mass 50kg climbs a tower of height 72 metres. Calculate the work done. (8 = 9.8ms-2)
A force of 50N acts on a body and moves it a distance of 4m on a horizontal surface. Calculate the work done if the direction of force is at an angle of 60° to the horizontal surface.