Carbohydrates

What is the chemical formula for glucose?

• C6H12O6

• C6H6O6

• C7H12O7

• C3H8O8

How to you complete the test to show the presence of sugar?

• Add Benedict's solution

• Add Benedict's solution and heat

• Add Biuret solution

• Add iodine solution

Which term describes what glucose is?

• Polysaccharide

• disaccharide

• monosaccharide

What are the only elements found in carbohydrates?

• glucose and monosaccharides

• carbon, hydrogen and oxygen

• carbon, hydrogen, oxygen and nitrogen

• atoms and molecules

Which of the following are disaccharides?

• sucrose, lactose, maltose
• starch, cellulose, glycogen
• glucose, fructose, galactose
• amino acids, fatty acids, nucleotides

Which chemical reaction in the human body requires glucose

• photosynthesis

• digestion

• respiration

• mitochondria

What is the main function of carbohydrates in the human body?

• mitosis

• excretion

• produce energy

• release energy

Glucose is a compound. What is a compound?

• a atom on its own

• Atoms of the same element chemically combined

• Atoms of different elements chemically combined

• Atoms of the same element arranged in a ring structure

What type of carbohydrate is starch?

• polysaccharide

• monosaccharide

• disaccharide

What is the chemical test for starch?

• iodine solution

• Benedict's solution

• iodine solution and heat

• Benedict/s solution and heat