(Marking scheme for all questions will be: correct answer +3 and wrong answer -1)
Vital stains are employed to study:
A
Living cells
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B
Frozen tissues
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C
Fresh tissues
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D
Preserved tissues
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Solution
The correct option is A Living cells In order to evaluate the various dyes currently available, the staining agents may be classified according to several criteria. Vital staining refers to the coloration of living cells or tissues.