Republic of the Philippines
Department of Education
REGION XII - SOCCSKSARGEN
SCHOOLS DIVISION OF SOUTH COTABATO
T’BOLI NATIONAL HIGH SCHOOL
POBLACION, TBOLI, SOUTH COTABATO
Parallel Assessment
Grade 10
Fourth Quarter Science
Name: _______________________________ Grade & Section: ________________ Score: _______
MULTIPLE CHOICE: Read the questions with understanding and choose the best answer among the given choices. Write
the letter of your answer on the space provided before the number.
_____1. Who investigated the relationship between pressure and volume of gases at constant temperature?
a. Robert Boyle b. Jacques Charles
c. Joseph Louis Gay-Lussac d. Amedeo Carlo Avogadro
_____2. Who investigated the relationship of gases between pressure and temperature at constant volume?
a. Robert Boyle b. Jacques Charles
c. Joseph Louis Gay-Lussac d. Amedeo Carlo Avogadro
_____3. What law states that “the volume of gases is directly proportional to its temperature at constant pressure?
a. Boyle’s Law
b. Gay-Lussac’s Law
c. Ideal Gas Law
d. Charles Law
_____4. What do you call the temperature - pressure relationship of gases?
a. Boyle’s Law b. Kelvin-Temperature Scale
c. Charles Law
d. Gay-Lussac’s Law
_____5. What is the relationship between volume and temperature of gases at constant pressure?
a. Inversely Proportional b. Directly Proportional c. Directly Square Proportional d. Inversely Square Proportional
_____6. Which of the following illustrate the mathematical equation of Gay-Lussac’s Law?
a. P1V1=P2V2
b. V1P1 = V2P2
c. V1 = V2
d. P1 = P2
T1
T2
T1 T2
T1 T2
_____7. Which statement best describe the relationship between pressure and volume in combined Gas Law?
a. Pressure of gas is directly proportional to the volume.
b. Pressure of gas is inversely proportional to the volume.
c. Pressure of gas is directly square proportional to the volume.
d. Pressure of gas is inversely square proportional to the volume.
_____8. Who suggested that the volume of gas is directly proportional to the number of moles present at a constant
temperature?
a. Robert Boyle b. Jacques Charles
c. Amedeo Carlo Avogadro
d. Joseph Louis Gay-Lussac
_____9. What gas law is illustrated as the sky lantern obtains its full volume and float in the air?
a. Ideal Gas Law
b. Boyle’s Law
c. Charles Law
d. Gay-Lussac’s Law
_____10. What happens to the pressure of a gas as its volume increases at constant temperature?
a. Increases
b. Decreases
c. Constant
d. Cannot be Determined
_____11. What is the mathematical equation of Avogadro’s Hypothesis?
a. P1V1=P2V2
b. V1 = V2
c. V1 = V2
d. P1 = P2
n1 n2
T1 T2
T1 T2
_____12. What is the relationship between pressure and volume of gas in Boyle’s Law?
a. Inversely Proportional b. Directly Proportional c. Directly Square Proportional d. Inversely Square Proportional
_____13. Which of the following is a property of gases?
a. Distance
b. Velocity
c. Length
d. Temperature
_____14. What happen to the volume of a gas if its pressure decreases and no changes occur in a temperature?
a. Boyle’s Law
b. kelvin – temperature Scale
c. Charles’ Law d. Gay-Lussac’s Law
_____15. If the pressure of a gas decreases, what happen to its temperature if no changes occur at constant volume?
a. Increases
b. Constant
c. Decreases
d. Cannot be determined
_____16. Which law of gases states that “the volume of gas is directly proportional to the kelvin (K) temperature”?
a. Boyle’s Law
b. Charles’ Law
c. Gay-Lussac’s Law
d. Combined Gas Law
_____17. Which of the following is an application of Avogadro’s hypothesis?
a. Firing a bullet
b. A burning automobile tire
c. Bread and baked goods
d. Pressure cooker
_____18. What gas law best explains the air in a water storage tank?
a. Boyle’s Law
b. Charles' Law
c. Gay-Lussac’s Law
d. Combined Gas Law
_____19. A fire extinguisher has a pressure of 150L at 350C. What is the pressure if the fire extinguisher is used at a
temperature of 800C?
a. 172L
b. 173L
c. 174L
d. 175L
_____20. Suppose a can of insecticide with a pressure of 4.0 atm at room temperature (28 0C) is thrown into a fire. If the
temperature of the gas inside the can reaches 4000C. What will be the pressure?
a. 8.93 atm
b. 8.94 atm
c. 8.95 atm
d. 8.96 atm
_____21. In a hospital respiratory unit, the gauge on a 10.0l tank of compressed oxygen reads 4500 mm Hg. How many
liters of oxygen can you get the tank at a pressure of 750 mm Hg?
a. 60 L
b. 61 L
c. 62 L
d. 63 L
_____22. A sample of neon gas at 760 mm Hg has a volume of 10.0L and a temperature of 34 0C. Find the new volume
of the gas after the temperature has been increased to 750C.
a. 9.3L
b. 10.3L
c. 11.3L
d. 12.3L
_____23. Which among the following does NOT involve chemical reaction?
a. Breaking of glass
b. Combustion of gasoline c. Baking cake
d. Digestion of food
_____24. In which side of the chemical equation should the products be written?
a. Left
b. Right
c. Middle
d. All of these
_____25. Which among the following statement about chemical reaction is correct?
a. In the reaction, the mass of the reactant is equal with the mass of the product
b. Combustion is one of the examples of chemical reaction
c. In a chemical reaction, the products produced is the same as the reactant
d. None of these
_____26. What is called to the substance produced in the chemical reaction?
a. Yield
b. Reactant
c. Product
d. Catalyst
_____27. What type chemical reaction happens where one compound breaks into two or more different products?
a. Synthesis
b. Combustion
c. Decomposition d. Single displacement
_____28. What type of chemical reaction is shown below?
2Pb(NO3)2 → 2PbO + 4NO2 + O2s
a. Single displacement b. Decomposition
c. Synthesis
d. Combustion
_____29. What type of chemical reaction is demonstrated when oxygen combines with hydrocarbons to form water
and carbon dioxide.
a. Combustion b. Combination c. Single displacement
d. Decomposition
_____30. According to the collision theory, reactions can only happen when the reactant particles collide, but most
collisions are NOT successful in forming product molecules despite the high rate of collision. What should the
reactants possess in order for chemical reaction to happen?
a. have sufficient energy b. be larger in size
c. have greater electronegativity d. none of them
_____31. Which among the choices shows a balanced equation and the type of chemical reaction of the chemical
equation given? NO2 + H2O
HNO3 + NO
a. 2NO2 + 3H2O
2 HNO3 + 3 NO/ Combinationb.
b. 3HNO2 + H2O
2HNO3 + 2NO/ single displacement
c. 3NO2 + H2O
2HNO3 + NO/ double displacement
d. none of these
_____32. Given the equation _Pb(NO3 )2 → _PbO + _NO2 + O2 which corresponds to the correct coefficients needed in
order to balance the equation?
a. 1, 2, 4
b. 2, 2, 4
c. 2,3,4
d. 3, 3, 4
_____33. Evaluate which among the given chemical reactions demonstrate synthesis reaction:
I. Mg + O2 → MgO
II. HBr + KOH → H2O + KBr
III. H2 + O2 → 2H2O IV. N2 + 3H2→ 2NH3
a. I, III and IV
b. III and IV
C. I and IV
D. II and IV
_____34. Which among the following produces the greatest amount of NO in the atmosphere?
a. power plants
B. vehicles
C. furnace
D. none of them
_____35. What range of temperature is neede in order for NO to be formed?
a. 0 – 100 deg. C
b. 100-500 deg. C c. 600-1000 deg. C
d. 1000 deg. C and above
_____36. Gas generators inside an airbag contains NaN3, which decomposes into ______ when collision occurs
a. N2
b. NO2
c. KNO3
d. Na2
_____37. Photochemical smog is a type of air pollution where ________ and volatile gases react with oxygen gas and
ozone under the influence of _______
a. sulfur oxides; high temperature
b. nitrogen oxides; water
c. sulfur oxides/water
d. nitrogen oxides/ sunlight
_____38. The following are the major chemical pollutants in photochemical smog except for________.
a. Nitrogen oxides
b. Volatile Organic compounds
c. Ozone
d. Carbon dioxide
_____39. Gasoline is a highly combustible hydrocarbon. How are you going to deal with this highly flammable fluid?
a. store gasoline away from spark-producing sources
c. Use gasoline only in well-ventilated areas
b. Keep gasoline in tightly closed spill proof containers d. all of these
_____40. Which chemical reaction equation is NOT correct?
a. BaCl2 + Na2SO4 → BaSO4 + 2NaCl
b. MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O
c. 2Mg+ O2 → 2MgO
d. none of these
_____41. Nitrogen dioxide reacts with oxygen in the presence of sunlight to give nitric acid and ozone. If you are to
create the chemical equation, which do you think would best represent it?
a. O2 + NO2 → N + O4
b. N + O4 → NO + O3
c. NO2 + O2→ NO + O3
d. N2O + O2 → NO4
_____42. What is considered as the simplest sugar?
a. Monosaccharide
b. Disaccharide c. Polysaccharide
d. None of the above
_____43. Which of the following is a polysaccharide?
a. Starch
b. Protein
c. Amino Acid
d. Lipid
_____44. What is the chief storage form of carbohydrates in plants and the most important source of carbohydrates in
human nutrition?
a. Starch
b. Protein
c. Vitamin
d. Lipids
_____45. What is the building block of protein?
a. Amino acid
b. Nucleic acid
c. Enzyme
d. Fatty acid
_____46.What is a class of biomolecules which is responsible in storing energy for later use?
a. Carbohydrates
b. Lipids
c. Proteins
d. Nucleic acids
_____47. Which of the following groups are classified as monosaccharide?
a. Glucose, Maltose
b. Glucose, Lactose
c. Glucose, Fructose
d. Fructose, Lactose
_____48. What is the product when galactose and glucose are combined?
a. Lactose
b. Maltose
c. Sucrose
d. Fructose
_____49. The following elements are present in carbohydrates, EXCEPT:
a. Oxygen
b. Carbon
c. Hydrogen
d. Nitrogen
_____50. What type of polysaccharide stores energy in the liver and muscle?
a. Starch
b. Glycogen
c. Sucrose
d. Cellulose
_____51. What type of protein is known as the biological catalysts?
a. Amino acids
b. Enzymes
c. Polymers
d. Monomers
_____52. What reaction in which water is added to a reactant, breaking the reactant into two product molecules?
a. Photosynthesis
b. Dehydration c. Condensation
d. Hydrolysis
_____53. Which of the following describe the sugar composition of RNA and DNA?
a. The sugar in RNA is ribose while DNA id deoxyribose.
c. The sugar in both RNA and DNA is ribose.
b. The sugar in RNA is deoxyribose while in DNA is ribose.
d. The sugar in both RNA and DNA is Deoxyribose.
_____54. Which of the following statements explain why some people experience “Lactose intolerance”?
a. They produce less lactase necessary to break the bond between glucose and galactose.
b. They produce too much lactase necessary to break the bond between glucose and galactose.
c. They do not produce the lactase necessary to break the bond between glucose and galactose.
d. All of the above.
_____55. What makes FATS harmful to the heart?
a. They tend to clog arteries and overworked the heart.
b. They tend to clog arteries and let the heart work lightly.
c. They tend to unclog arteries and overworked the heart.
d. They tend to unclog arteries and let the heart work moderately.
_____56. How does our body react when blood glucose drops?
a. The pancreas secretes insulin, which causes the liver, muscles and fats to convert glycogen back to glucose.
b. The pancreas secretes insulin in liver, muscles and fats to absorb glucose and transform it to glycogen or fats.
c. The pancreas secretes glycogen which stimulates cells in the liver, muscle and fats to absorb glucose and to
transform it into glycogen or fats.
b. The pancreas secretes glycogen which causes the liver, muscles and fats to convert glycogen back to glucose.
_____57. How does DNA and RNA differs in terms of the pairing of bases?
a. RNA: A-U; G-C
b. RNA: A-T; G-C
c. RNA: A-G; C-T
d. RNA: U-T; C-G
DNA: A-T; G-C
DNA: A-U; G-C
DNA: A-C; G-U
DNA: U-C; A-G
_____58. Which of the following statements describes why cholesterol is a steroid?
a. It is a steroid because of the absence of alcohol or the hydroxyl functional group.
b. It is a steroid because of the presence of alcohol or the hydroxyl group.
c. It is a steroid because of the presence of hydrocarbons.
d. It is a steroid because of the absence of hydrocarbons.
_____59. What will happen when carbohydrates failed to broke down into monosaccharide during digestion?
a. It cannot be absorbed into the blood to be transported into the cells to provide "instant energy" to perform
our activities.
b. It can be absorbed into the blood to be transported into the cells to provide "instant energy" to perform
our activities.
c. It can't be stored into the blood to be transported into the cells to provide "instant energy" to perform our
activities.
d. It can be stored into the blood to be transported into the cells to provide "instant energy" to perform our
activities.
______60. What is the importance of understanding the role of calories in our diet?
a. It can help us balance our calories in with our calories out.
b. It can compare our calories in with our calories out.
c. It can increase our calories in with our calories out.
d. It can help us decrease our calories in with our calories out.
Prepared by:
JEANLY S. JALECO
Science Teacher
KEYNETH JAY T. JALECO
Science Teacher
Noted by:
VALENTINA N. DECOLONGON
Master Teacher I in Science
Recommending Approval:
JANRIE M. RAGUINE
Assistant Principal
Approved by:
ARACELI S. CALIXTON, EdD.
Principal II
JANE A. LARIDA
Science Teacher
MA. ADORA B. PRADILLA
Science Teacher