Grade 10 Life Sciences (TVM)

Which of the following is not an organic compound?

• Glucose

• Water

• Protein

• Lipid

What is the main function of carbohydrates in living organisms?

• Genetic material

• Structural support

• Energy source

• Hormone production

Which elements are found in all organic compounds?

• Carbon and hydrogen

• Carbon, oxygen, and nitrogen

• Carbon and oxygen only

• Carbon, hydrogen, and oxygen

The building blocks of proteins are:

• Monosaccharides

• Glycerol

• Amino acids

• Fatty acids

A disaccharide consists of:

• One sugar unit

• Two sugar units

• Many sugar units

• An amino group and a carboxyl group

Lipids are made up of:

• Amino acids

• Nucleotides

• Fatty acids and glycerol

• Sugars

Which of the following is a polysaccharide?

• Glucose

• Maltose

• Sucrose

• Starch

The test used to identify starch in a food sample is:

• Benedict’s test

• Biuret test

• Iodine test

• Ethanol test

Which organic compound stores genetic information?

• Protein

• Lipid

• Carbohydrate

• Nucleic acid

Which test would you use to detect the presence of proteins?

• Iodine

• Biuret

• Ethanol

• Benedict’s