1. Biomolecules are organic molecules being produced by living organisms. Which group comprises the four main biomolecules? a. carbohydrate, protein, nucleic acid, amino acid
b. carbohydrate, protein, lipid, nucleic acid
c. protein, lipid, nucleic acid, triglyceride
d. protein, lipid, carbohydrate, nucleotide

2. Which of the following elements is not present in carbohydrates?
a. carbon
b. hydrogen
c. nitrogen
d. oxygen

3. Disaccharides are double sugars. Which one is not a disaccharide?
a. maltose
b. galactose
c. sucrose
b. lactose

4. Which is not true about lipids?
a. They are hydrophilic
b. They are hydrophobic
c. They can be dissolved away by solvents that are non-polar like ether and benzene
d. Glycerol and fatty acids are its building block

5. Which of the following groups are all classified as polysaccharide?
a. sucrose, glucose, and fructose
b. maltose, lactose, and fructose
c. glycogen, sucrose and maltose
d. glycogen, cellulose and starch​