Question

Plant and animal specimens are usually stained with dyes before observing them. Give reasons and name one dye used of the purpose.

Answer 1

Plant and animal specimens are usually stained with dyes before observing them because they are transparent and will not be visible to naked eye. Hence, they are stained and then observed under a microscope, staining makes them clearly visible. Animal cells are stained with methylene blue and plant cells are stained with iodine.