Multiple choice general knowledge Which of the following is not a method of knowing seed life? Respiration test Embryo culture method Seed dormancy method Indigocarmine method Reveal answer Fill a bubble to check yourself D Correct answer Explanation Respiration tests, embryo culture methods, and seed dormancy studies are all valid techniques for assessing seed viability and life. Indigocarmine is a dye stain used in cytology, not a method for determining seed life.