Which of the following is a stain used to colour cheek cells for observation?

Safranine

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Methylene Blue

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Water

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Alcohol

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Solution

The correct option is B
Methylene Blue

Methylene blue is used to impart a blue colour to cheek cells. This makes them easily observable under a microscope. Safranine is used to stain onion peel cells. It imparts a characteristic pink colour to the cells. Water and alcohol do not impart any colour to the cells and are not used as stains.

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Q. The temporary mount of the leaf epidermal peel which looked pinkish red under the microscope was :
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