Yeast Quiz

What type of organism is yeast?

• Plant

• Animal

• Fungus

• Bacteria

Tags

NGSS.MS-LS4-2

What do yeasts feed on to grow and reproduce?

• Proteins and fats

• Sugars and starches

• Water and minerals

• Vitamins and fibers

What process do yeasts use to turn food into energy and release carbon dioxide gas?

• Photosynthesis

• Respiration

• Fermentation

• Digestion

Tags

NGSS.MS-LS1-7

What makes a slice of bread soft and spongy?

• The flour used

• The water content

• The carbon dioxide gas produced during fermentation

• The baking temperature

What are yeasts more closely related to?

• Plants

• Animals

• Mushrooms

• Bacteria

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What do yeasts release as a result of fermentation?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

What is the role of yeast in bread making?

• To add flavor

• To make the dough rise

• To change the color of the dough

• To add nutrients

Tags

NGSS.MS-LS1-7

How long have people been using yeast to make bread rise?

• Hundreds of years

• Thousands of years

• Decades

• Centuries

What happens to the dough when yeast ferments it?

• It becomes hard and dense

• It becomes soft and spongy

• It changes color

• It loses its shape

Tags

NGSS.MS-LS1-7

What is the main function of yeast in the dough?

• To provide nutrients

• To produce gas that makes the dough rise

• To add color

• To absorb water