SUMMATIVE TEST 3 (QUARTER 3) PHYSICAL SCIENCE GRADE 12 DIRECTIONS: Read and analyze the questions. Shade only the circle with the letter of the correct answer on the given answer sheet. Erasures and/or multiple marks are considered wrong. Name Score I. Match the statements in Column A with the terms in Column B. Shade the letter of your answer on the answer sheet provided. Level and Section Date COLUMN A COLUMN B 1. The ease with which electron cations distribution is distorted 2. Positively-charged ions B. Dipole 3. ZIPGRADE.COM Dispersion of charges when C. Dipole-dipole an ion approaches a molecule PHYSICAL SCIENCE (0012) 4. Substance with positive and D. Ion-induced dipole negative ends 5. Attractive forces between polarizability polar molecules II. For numbers 6-10, arrange the following substances in the order of increasing boiling points by shading the corresponding letter (6 - lowest boiling point; 10- highest boiling point). I IIII 10 ABCDE H- O- C- C- H -C- -H Student's signature: 12 1 1 6 0 0 A. Ethane B. Ethanol 13 ABCDE Parent/Guardian's Signature: 14 ABCDE H H H H H H CCO H H- C - C -H H -C -H 15 1 1 60 0 H C. Methane D. Methanol E. Ethylene glycol SUMMATIVE TEST 3 (QUARTER 3) PHYSICAL SCIENCE GRADE 12 Ill. Read and analyze the following statements and identify the terms they 18. Proteins are composed of four elements, namely: carbon, hydrogen, describe. Choose your answers from the word bank below. oxygen and what other element? A. magnesium C. phosphorous 11. They are the primary energy source of the human body. B. nitrogen D. sulfur 12. It serves as an important material for cell membranes, insulation to maintain body temperature, aid in digestion, and as signal molecules. 19. Which polypeptide stores oxygen in muscles? 13. These are the building blocks of proteins. A. enzyme 14. It is a nucleic acid that carry the genetic code of the organism. B. heme 15, It is the form of carbohydrates found in blood and utilized by the C. lipase human body D. myoglobin WORD BANK 20. Which biomolecular group carries and passes on the hereditary A. amino acids C. deoxyribonucleic acid E. lipid B. carbohydrates information of the organism? D. glucose A. carbohydrates C. nucleic acids B. lipids D. proteins IV. Analyze the following questions then choose the letter of the correct answer. 16. Atom is the basic unit of a chemical element. What are the atoms that make up carbohydrates? A. C and H C. C. H and O B. C, H and N D. C. H, O and N 17. The excessive consumption of carbohydrates is converted into which polysaccharide that is stored in the liver and in muscles? A. creatinine C. hemoglobin B. glycogen D. uric acid