Multiple choice

Which of the following chemicals is/are used in seed viability testing?

  1. Orchine and water

  2. Uric acid and gibberellic acid

  3. Triphenyl tetrazolium chloride

  4. Colchicine and water

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Triphenyl tetrazolium chloride, TTC, or simply tetrazolium chloride is a redox indicator commonly used in biochemical experiments especially to indicate cellular respiration.