Question

Why could cell not be observed before 17 century?

Answer 1

Most cells are smaller in size, due to this smaller size these cells could not be seen before 17th century because no instrument was invented that could be used to see these small structures.

( Hope it helps please mark as brainliest)!

Answer 2

cell not be observed before 17 century because
---------------
1)the instruments used were not able to see the cells because of their small size

2)very less facts about the cells were known 

3)the size of the cells are very small and a very high power microscope should be used to see them