Del Sur Good Shepherd College, Inc. BANGSAMORO AUTONOMOUS REGION IN MUSLIM MINDANAO Wao, Lanao del Sur, Philippines Contact No. +639359538691 Email Add: goodshepherd_wao@yahoo.com “The School of Mind, Character and Personality” Science 10 4th Quarter Examination (A.Y. 2022-2023) Name:______________________________________ Year and Section:_________ Subject Teacher: ________________________ Score:________ TEST I. Choose the letter of the best answer. Write the letter that corresponds to your answer on a space provided. _____1. Who was the English scientist who made accurate observations on the relationship of pressure and volume? A. Amedeo Avogadro B. Gay-Lussac C. Jacques Charles D. Robert Boyle _____2. It is a constant when using the Boyle’s Law? A. Energy B. Pressure C. Temperature D. Volume _____3. The SI standard unit of pressure? A. Atm B. Mmhg C. Pa D. Torr _____4. Equal to the standard pressure? A. 1 atm B. 1 torr C. 273 kpa D. 760 atm _____5. When pressure on a gas goes down, what happens to its volume? A. Goes down then B. Rises C. Rises then falls D. Stays the same rises _____6. Who was the French scientist who made accurate observations on how the volume of the gas is related to temperature? A. Amedeo avogadro B. Gay-lussac C. Jacques charles D. Robert boyle _____7. Which of the following is constant when using the Charles’ Law? A. Energy B. Pressure C. Temperature D. Volume _____8. When temperature of a gas goes down, what happens to its volume? A. Goes down B. Goes down, C. Rises D. Rises then falls rises _____9. Which of the following food items contains the most lipids? A. Banana B. Champorado C. Cheese D. Cooking oil _____10. A macromolecule is composed of smaller units called __________. A. Cells B. Isomers C. Monomers D. Polymers _____11. Which of the following is a correct monomer-polymer pair? A. Monomer: disaccharide C. Monomer: polysaccharide B. Polymer: monosaccharide D. Polymer: polysaccharide _____12. What will be the correct pairing of monomer of proteins and its function? A. Fat: structure C. DNA, RNA: store genetic material B. Starch, sugar: cell machinery D. Amino acid: tissue repair _____13. 5. Which of the following is not included in the main classes of biomolecules? A. Carbohydrates B. Lipids C. Nucleic acids D. Phosphates _____14. 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 _____15. 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 TEST II. Matching type Direction: Match the MONOmer on the left to the macromolecules on the right. Write the letter of the corresponding macromolecule on the blank. ___________1. Fatty acids A. Carbohydrate ___________2. Monosaccharide B. Lipid ___________3 Nucleotide C. Nucleic acid ___________4. Amino acid D. Protein Direction: Match the POLYmer on the left to the macromolecules on the right. Write the letter of the corresponding macromolecule on the blank. ___________5. DNA A. Carbohydrate ___________6. Polypeptide B. Lipid ___________7 Triglyceride C. Nucleic acid ___________8. Polysaccharide D. Protein Direction: Match the MONOmer on the left to the POLYmer on the right. Write the letter of the corresponding macromolecule on the blank. ___________9. Fatty acids and glycerol A. DNA ___________10. Glucose B. Polypeptide ___________11. Nucleotide C. Starch ___________12. Amino acid D. Triglyceride Direction: Read the definition on Column A and match it to the correct word in Column B. ___________13. Force per unit area A. Volume ___________14. Amount of the gas measured B. Pascal ___________15. International unit of pressure C. Pressure ___________16. Degree of hotness or D. Mole coldness ___________17. Space occupied E. Temperature F. Density TEST III. Modified TRUE or FALSE. On the space before each number, write TRUE if the statement is correct, if the statement is FALSE, change the underlined word to make it true. ______________18. Combination or Synthesis - a reaction when two or more elements combine to form a single product. ______________19. Decomposition - a single reactant breaks down into simpler ones. It is the opposite of combination reaction. ______________20. Single Displacement (Replacement) – A substance; it can be an element or a compound; capable of replacing one of the atoms of a given compound. ______________21. Double Displacement (Replacement) – a reaction in which ions get exchanged between two reactants, resulting to the formation of a new compound. ______________22. Combustion (Burning) Reaction – a reaction wherein oxygen gas combines with a hydrocarbon; a compound containing carbon and hydrogen atoms; forming carbon dioxide and water as the products. ______________23. Acid-Base Reaction or Neutralization Reaction - special kind of double displacement reaction that takes place when an acid and a base react. ______________24. Reactants are substances that serve as the starting material to form new substances in a chemical reaction. ______________25. The products are the substances that were formed from the starting materials during the reaction process. TEST IV. Directions: Consider the following examples of changes. Classify them as Physical or Chemical change. Change 1. Healing of wounds 2. Rotting of banana 3. Opening a carbonated soft drink 4. Dissolving sugar in water 5. Painting a piece of wood 6. Photosynthesis 7. Crushing chunks of ice 8. Milk turning sour 9. Ice cream melts under the sun 10. Cutting of stainless metal plate Type of Change