Simple Carbohydrate Test

______ are compounds composed of carbon, oxygen, and hydrogen.

• carbohydrates

• lipids

• proteins

• none of the above

Carbohydrates are important because they

• make up the bulk of the biomass of food

• are a major source of energy

• are a vital part of cell structure and the base of DNA molecules

• include sugars, starches, and fiber

• all of the above

Through _____, plants convert solar energy into glucose.

• cellular respiration

• photosynthesis

• hydrolysis

• all of the above

Photosynthesis requires:

• carbon dioxide

• water

• sunlight

• all of these

_____ are the simplest of sugars and contain carbon, hydrogen, and oxygen atoms in a central ring structure.

• Disaccharides

• Polysaccharides

• Monosaccharides

• all of the above

Match the following

• Monosaccharide that is the basic energy source for humans

• Sucrose

• Monosaccharide found in fruits and honey

• Glucose

• Monosaccharide found in milk

• Fructose

• Disaccharide found in malted grains

• Maltose

• Disaccharide also known as table sugar

• Galactose           

Simple sugars with 5 carbon atoms;  the building blocks for ribonucleic acid (RNA).

• deoxyribose

• Ribose

• Glucose

• Starch

A _____ joins 2 monosaccharides together

• Disaccharide

• monosaccharide

• trisaccharide

• polysaccharide

The body uses hydrolysis to digest disaccharides (A large molecule is divided into smaller parts by

     adding water)

• photosynthesis

• hydrolysis

• cellular respiration

• none of the above

Which of the following is NOT an example of an alcohol?

• Ethanol

• Methanol

• isopropanol

• maltose