29 Dec 2014 Home » Trivia Crack » What is yeast? What is yeast? Posted in Trivia Crack By emoji On December 29, 2014 Question: What is yeast? Choices: An animal A plant A root A fungus Correct answer: A fungus Post Views: 229 Related Posts How many scissors did Edward Scissors Hands have in one hand? What was the first portable consol of Nintendo? What is ossification?