Question

q-10 and 12
class 9
ncert
please

Answer 1

Answer:

10.The shape of cells are determined by the work they perform or by their function.

12.Cells are too small to be seen with the naked eye. optical instrument hepls in detailed study of cell

Hope it helps you ❤❤

Answer 2

Answer:

10: It is dependent on its work and it's function

12: As cells are too small not to be seen with the naked eyes thus optical instruments helps to study of a cell