When students observed a stained epidermal peel of a leaf under the microscope, it appeared pinkish red. The stain used was :
A
iodine
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B
acetocarmine
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C
safranin
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D
methylene blue
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Solution
The correct option is C safranin Safranin stains epidermal peel of leaf pinkish red in colour. Safranin is a biological stain used in histology and cytology. Safranin is used as a counterstain in some staining protocols, colouring all cell nuclei red. It can also be used for the detection of cartilage, mucin and mast cell granules.