Africa Q2 Quiz Review

What are the major organs and pathways of the digestive system?

• Heart and lungs

• Stomach and intestines

• Brain and spinal cord

• Kidneys and bladder

Tags

NGSS.MS-LS1-7

Which of the following is a function of biomolecules?

• Provide structural support

• Insulate and protect

• Store genetic information

• All of the above

What is a primary source of quick energy?

• Proteins

• Carbohydrates

• Fats

• Vitamins

Tags

NGSS.MS-LS1-7

What is the difference between hydrolysis and dehydration synthesis?

• Hydrolysis adds water, dehydration synthesis removes water

• Hydrolysis removes water, dehydration synthesis adds water

• Both add water

• Both remove water

What is the difference between physical and chemical digestion?

• Mechanical digestion breaks food into smaller pieces; Chemical digestion uses chemicals to break down food

• Chemical digestion breaks food into smaller pieces; Mechanical digestion uses chemicals to break down food

• Both involve breaking down food using chemicals

• Both involve breaking down food without chemicals

Where does mechanical digestion begin?

• In the mouth (teeth chewing, tongue mixing)

• In the stomach

• In the small intestine

• In the large intestine

Where does the digestion of carbohydrates in food start?

• In the mouth, with enzyme 'amylase' in the saliva

• In the stomach

• In the small intestine

• In the large intestine

Which organ helps the body absorb nutrients from food?

• Small intestine

• Large intestine

• Stomach

• Mouth

Which organ helps the body absorb water from food?

• Large intestine

• Small intestine

• Stomach

• Mouth

What are the four macromolecules (or biomolecules) of life?

• Proteins, Lipids, Carbohydrates, Nucleic Acids

• Proteins, Lipids, Vitamins, Minerals

• Carbohydrates, Vitamins, Minerals, Water

• Lipids, Proteins, Water, Minerals

Tags

NGSS.MS-LS3-1