OBJECTIVE LIFE SCIENCE
DIVERSITY AMONG LIFE FORMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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it grows
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it moves
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it produces gas
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it eats
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Detailed explanation-1: -As the yeast feeds on the sugar, it produces carbon dioxide. With no place to go but up, this gas slowly fills the balloon. A very similar process happens as bread rises. Carbon dioxide from yeast fills thousands of balloonlike bubbles in the dough.
Detailed explanation-2: -Watch what happens as the yeast gobbles up the sugar! Did you know that yeast is a living thing? Mix the yeast with hot water and sugar and as the yeast eats the sugar it releases carbon dioxide that blows up the balloon.
Detailed explanation-3: -Using yeast, sugar, and water, learners create a chemical reaction which produces carbon dioxide (CO2) gas inside a 2-liter bottle. They use this gas to inflate a balloon. This reaction shows the process of fermentation, a common reaction to make bread, beer, or wine.