Directions: Read carefully each item. Write only the letter of the correct answer for each question. Use a separate sheet of paper for your answers. 1. Which of the following food items contains the most lipids? A. B. banana Illustrator: Noel Valedict R. Imus champorado Illustrator: Noel Valedict R. Imus C. CHEESE cheese Illustrator: Noel Valedict R. Imus D. COOKING OIL cooking oil Illustrator: Noel Valedict R. Imus 2. A macromolecule is composed of smaller units called. A. cells B. isomers C. monomers D. polymers 3. Which of the following is a correct monomer-polymer pair? A. monomer: disaccharide B. polymer: monosaccharide C. monomer: polysaccharide D. polymer: polysaccharide 4. What will be the correct pairing of monomer of proteins and its function? A. fat: structure B. starch, sugar: cell machinery C. DNA, RNA: store genetic material D. amino acid: tissue repair 5. Which of the following is not included in the main classes of biomolecules? A. carbohydrates B. lipids C. nucleic acids D. phosphates 6. What do you call the long chain of molecules which may consist of similar building blocks or repeated patterns of molecules? A. molecules B. monomers C. polygons D. polymers 7. These are large molecules composed of thousands of covalently connected atoms which comprise the main classes of biomolecules. A. macromolecules B. micromolecules C. minimolecules D. monomolecules 8. What macromolecule is responsible for cell membrane and energy storage? A. carbohydrates B. lipid C. nucleic acid D. protein 9. Which of the following statements is not true about monomers? A. These can be composed of more than one atom. B. These exhibit patterns which is are repeated. C. These are single basic building unit of all organic compounds. D. When joined together, these form smaller groups called micromers. 10. Which of the following elements cannot be found in biomolecules? A. hydrogen B. mercury C. oxygen D. phosphorus 11. Which of the following macromolecule contains carbon, nitrogen, oxygen, phosphorus and hydrogen in its structure? A. carbohydrate B. lipid C. nucleic acid D. protein 12. What class of biomolecules do DNA and RNA belong? A. carbohydrates B. lipids C. nucleic acids D. proteins 13. Sugar, starch, cellulose and glucose are examples of what class of biomolecules? A. carbohydrates B. lipids C. nucleic acids D. proteins CH₂OH 14. What class of biomolecule does the structure represent in ° H H Figure 1? A. carbohydrates B. lipids H OH H C. nucleic acids D. proteins HO Он H он Figure 1. glucose Illustrator: Noel Valedict R. Imus 15. The image shown in Figure 2 is a structure of oleic acid. What class of biomolecule does it fall? A. carbohydrates B. lipids HO Figure 2. trans - oleic acid Illustrator: Noel Valedict R. Imus C. nucleic acids D. proteins