Carbohydrates & Fats Quiz

'Carbohydrates are the primary source of energy for our cells.' True or false?

• True

• False

What are the chemical elements that make up carbohydrates? Separate your answers with commas.

What makes up maltose, sucrose and lactose? Fill in the missing blanks.

glucose + _________ → maltose

glucose + _________ → sucrose

glucose + _________ → lactose

Using the basic units given, draw the double sugar molecules in the space provided in the table.

Answer explanation

What is the name of the enzyme that breaks down starch?

Which is not a reducing sugar?

• glucose

• fructose

• sucrose

• lactose

A trace amount of reducing sugar is present if the blue Benedict’s solution forms a ________ precipitate.

• green

• yellow

• orange

• red

Which one of the followng is not a function of fat?

• Fats act as a solvent for certain vitamins
• Fats protect vital  internal organs
• Fats facilitate digestion of food
• Fats provide the body with energy

What is the ratio of hydrogen is to oxygen in fats?

• 1:1

• 2:1

• 3:1

• No fixed ratio

Fats can be digested into fatty acids and __________.