Multiple choice What is the optimum condition required for protoplast regeneration? 25+/-2 degree centigrade dark 25+/-2 degree centigrade bright light 25+/-2 degree centigrade dim light 35+/-2 degree centigrade dim light Reveal answer Fill a bubble to check yourself C Correct answer Explanation 25+/-2 degree centigrade in dim light is the optimum condition required for protoplast regeneration.