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: 235 Related Posts Which is considered to be the seventh art? Which popular fast food restaurant chain opened in 1955? In golf what do you yell to warn other people a golf ball is coming towards them?