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: 203 Related Posts When was the drug LSD first synthesised? Who is Romero Britto? Which of the following animals inject formic acid when they sting?