BIOMOLECULES MULTIPLE CHOICE TEST

Direction:  Read the question carefully and chose the letter of the correct answer.
1.  Which of the following contains lipids?
          a.  banana
          b.  champorado
          c.  olive oil
          d.  cheese
2. Which of the following is NOT a major source of protein?
          a.  fish
          b.  egg
          c.  milk
          d.  vegetable
3.  Which of the following is a correct pair?
          a.  glucose: disaccharide
          b.  starch: polysaccharide
          c.  sucrose: monosaccharide
          d.  triglyceride: polysaccharide
4. Which is a correct pair of an example of protein and its function?
          a. enzymes: speed up reactions in the body and eventually used up in the process.
          b. collagen: provides strength and flexibility to connective tissues.
          c. actin and myosin: supplies amino acids to baby mammals
          d. hemoglobin: helps regulate blood sugar levels
5. Nutritional chemists have found that burning 1 gram of fat releases twice the amount of heat               energy as burning 1 gram of starch. Based on this information, which type of biomolecule would         cause a person to gain more weight?
          a. carbohydrate
          b. fat  d. nucleic acid
          c. proteins
          d. nucleic acid
6.  Lipids are insoluble in water because lipid molecules are
          a. hydrophilic
          b. neutral
          c. hydrophobic
          d. Zwitter ions
7. Which of the following groups are all classified as polysaccharide?
          a. sucrose, glucose and fructose
          b. glycogen, sucrose and maltose
          c. maltose, lactose and fructose
          d. glycogen, cellulose and starch
8. Amino acids are the building blocks of which group of biomolecules?
          a. proteins
          b. carbohydrates
          c. lipids
          d. nucleic acid
9. Which of the following is the major function of carbohydrates?
               1.  structural framework
               2.  storage
               3.  energy production
           a. 1 only       b. 2 only       c. 3 only       d. 1 & 3 only
10.  In which organs are glycogen stored in the body?
          a. liver and spleen
          b. liver and bile
          c. liver and muscle
          d. liver and adipose tissue
11. When digesting a complex carbohydrate, water is added and simple sugar is obtained through              which process?
          a. Photosynthesis
          b. Hydrolysis
          c. Condensation
          d. Dehydration
12. What kind of molecule is represented by the structure below?
    CH3CH2CH2CH2CH=CHCH2CH2CH2CH2CH2CH2CH2CH2COOH
          a. monosaccharide
          b. saturated fatty acid
          c. unsaturated fatty acid
          d. phospholipid
13. Disaccharide is formed by combining two monosaccharides. What do you call the process of               combining 2 or more simple sugars?
          a. Hydrolysis
          b. Condensation
          c. Peptide bonding
          d. Saccharide bonding
14. Which of the following elements is NOT present in carbohydrates?
          a. carbon    
          b. oxygen
          c. nitrogen
          d. hydrogen
15. Which of the following biomolecules contain only the elements carbon, hydrogen and oxygen?
          a. carbohydrates and lipids
          b. proteins and nucleic acids
          c. lipids and proteins
          d.nucleic acids and carbohydrates