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: 234 Related Posts What actor has been nominated for the Academy Awards seven times but has not won any of them? In what sport would you use a ‘foil’? What is the tallest monument in the United States?