Viability of seeds is tested by

2, 3, 5-triphenyl tetrazolium chloride

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2, 6-dichlorophenol indophenols

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Solution

The correct option is A 2, 3, 5-triphenyl tetrazolium chloride
Tetrazolium Chloride (TZ) test is also called as quick germination test. It is used to test the viability of seeds. It is tested using 2, 3, 5-triphenyl tetrazolium chloride. The seed is examined for the colour change and predict the result.
Thus, the correct answer is option A.

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