Silver nitrate solution is used to study :
golgi apparatus
Option B (Golgi apparatus) is correct
Wrong options: A ,C D (explanation)
Option A: Endoplasmic reticulum: It is a membranous organelle present inside the eukaryotic cell.
Option C: Nucleus: Nucleus is a double membraned organelle responsible for controlling cellular activities.
option D: Mitochondria: Mitochondria is a double walled organelle responsible for ATP generation.