Science 10 Final Exam Student Name _____________________ Teacher Name _____________________ INSTRUCTIONS: For each question, select the best answer. Life Science 1. Cells and Genetics Cytoplasm converts chemical energy into useable energy in the cell. A. True B. False 2. Centrioles are in animal cells. A. True B. False Match each Term on the left with the Descriptor on the right. Each Descriptor may be used as often as necessary. Term Descriptor 3. nucleus A. carries out photosynthesis 4. chloroplast B. permeable outer layer of a cell C. controls the functions of a cell D. site of protein assembly in a cell E. provides structural support for a cell 5. Which of the following is in a plant cell, but not a skin cell? A. B. C. D. vacuole nucleus cell wall mitochondria Science 10 Final Exam 1 Science Foundation 10 6. What happens to the surface area-to-volume ratio of a growing cell? A. B. C. D. 7. It increases. It decreases. It remains the same. It increases and then decreases. An animal cell will expand in size if placed in salt water. A. True B. False 8. What is the function of a vacuole in an animal cell? I II III A. B. C. D. provide structure for the cell control protein synthesis in the cell storage of water and nutrients for the cell I only II only III only I and II only Use the following diagram to answer question 9. The diagram below shows a water tank with a permeable membrane between water containing food colouring particles and fresh water. The diagram shows how the food colouring particles move to different parts of the tank through the membrane. Science 10 Final Exam 2 Science Foundation 10 9. What process is shown in the diagram? A. B. C. D. osmosis diffusion interphase respiration Use the following pie graph to answer question 10. Graph Showing the Life Cycle of a Cell 95% 5% 10. Interphase occurs in X. A. True B. False Use the following diagrams of stages in cell reproduction to answer questions 11 to 13. I II Select A if the statement is supported by the diagrams. Select B if the statement is refuted by the diagrams. Select C if the statement is neither supported nor refuted by the diagrams. 11. Diagram I shows a cell in anaphase. A B C Science 10 Final Exam 3 Science Foundation 10 12. The phase shown in diagram II occurs after the phase shown in diagram I. A B C 13. The diagrams show phases of cell division for an animal cell. A B C ________________________________________________________________ 14. Which of the following types of asexual reproduction require the cell to split into two equal pieces? A. B. C. D. 15. Which of the following is a disadvantage of asexual reproduction compared with sexual reproduction? A. B. C. D. 16. budding regeneration binary fission vegetative reproduction Only one parent is required for reproduction. Great numbers of offspring can be produced. Only two parents are required to reproduce offspring. All offspring are identical and a single disease could affect entire population. Consider the following diagram. The diagram illustrates asexual reproduction. A. True B. False Science 10 Final Exam 4 Science Foundation 10 17. Which of the following describes a genotype? I. II. III. IV. A. B. C. D. 18. pp x pp Pp x pp Pp x Pp PP x pp How is the sex of a human offspring determined? A. B. C. D. 20. I and II only I and III only II and III only II and IV only Which of the following crosses would result in only homozygous offspring? A. B. C. D. 19. TT a short-haired cat the kinds of alleles an individual organism has for a particular trait the physical appearance of an organism with respect to a particular trait The egg from the mother contains two Y chromosomes. The sperm from the father contains two Y chromosomes. The egg from the mother contains an X or a Y chromosome. The sperm from the father contains an X or a Y chromosome. Which of the following is found only in males? A. B. C. D. X chromosome Y chromosome dominant traits recessive alleles Use the lettered spaces in the following Punnett square to answer questions 21 to 23. P Q R S T U V W Science 10 Final Exam 5 Science Foundation 10 21. What lettered spaces in the Punnett square would show the probable genotypes of this cross? A. B. C. D. 22. In which of the lettered spaces of the Punnett square would the gametes of the parents be shown? A. B. C. D. 23. R, S, V, W P, Q, R, U S, T, V, W P, Q, S, T P, Q, R, U S, T, V, W P and Q only R and U only In which of the lettered spaces of the Punnett square should there be two letters to represent the alleles? A. B. C. D. R, S, U, V P, Q, S, T P, Q, R, U S, T, V, W ________________________________________________________________ 24. A white male guinea pig is mated with a black female guinea pig. What would best describe the genotype of the male parent if all the offspring were white? A. B. C. D. 25. homozygous recessive heterozygous dominant homozygous dominant heterozygous recessive The trait for purple skin is dominant over the trait for brown skin in a species of slug. What would the results be for a cross between a homozygous purple slug and a homozygous brown slug? A. B. C. D. all brown all purple half purple, half brown 75% purple, 25% brown Science 10 Final Exam 6 Science Foundation 10 26. Which of the following would have the least affect on fetal development? A. B. C. D. 27. The month the baby was conceived. The mother’s exposure to cigarette smoke. The type of prescription drugs the mother takes. The amount of alcohol consumed by the mother. Scientists have discovered a species of fish that live in caves and outdoor ponds. The cave fish live with absolutely no light. The genes controlling the development of the fish’s eyes have been turned off through many generations. Their sensitivity to smell, however, is much better than the outdoor fish. This is an example of a neutral mutation. A. True B. False Physical Science Refer to the Data Booklet 28. Chemicals and Reactions For this section of the examination, refer to: Names, Formulae and Charges of Some Common Ions on page 1 Alphabetical Listing of the Elements on page 2 The Periodic Table on page 3 Ions are neutral. A. True B. False 29. The element illustrated below has a mass number of 13. A. True B. False Science 10 Final Exam 7 Science Foundation 10 30. Which of the following best describes an electron? A. B. C. D. 31. 0 1 2 3 Which of the following represents the Bohr model electron arrangement of the noble gas argon? A. B. C. D. 34. proton nucleus neutron electron How many electrons does potassium have in its outermost shell? A. B. C. D. 33. Location in nucleus orbiting nucleus in nucleus orbiting nucleus Which of the follow has a negative charge? A. B. C. D. 32. Mass large large very small very small 2, 16 2, 18 2, 8, 6 2, 8, 8 Which of the following is a common characteristic of an alkaline earth metal? A. B. C. D. 1 electron in the outermost shell 2 electrons in the outermost shell 7 electrons in the outermost shell 8 electrons in the outermost shell Science 10 Final Exam 8 Science Foundation 10 Use the following information to answer question 35. 16 ? ? represents the symbol of the element. 8 35. Which of the following is the name and the subatomic particle arrangement for a neutral atom of the element? A. B. C. D. Element sulphur sulphur oxygen oxygen Subatomic Particles 16 protons, 8 neutrons 8 electrons, 16 neutrons 8 protons, 8 neutrons 16 electrons, 8 neutrons ________________________________________________________________ 36. Which ion has 25 protons, 30 neutrons, and 23 electrons? A. B. C. D. 37. zinc gallium vanadium manganese Noble gases easily combine with other elements. A. True B. False 38. Which neutral atom has 16 neutrons and 15 electrons? A. B. C. D. silicon sulphur gallium phosphorus Science 10 Final Exam 9 Science Foundation 10 39. Which of the following statements about Na+1 are true? I. II. III. IV. A. B. C. D. Sodium has lost an electron. Sodium has gained an electron. It symbolizes a sodium ion. It symbolizes a sodium atom. I and II only I and III only II and III only II and IV only Use the following to answer question 40. A new element Px has just been discovered. It forms the following compounds: PxS, PxCrO4, Px(MnO4)2 40. The combining capacity for Px is +2. A. True B. False __________________________________________________________________ 41. CaCl2 is a molecular compound. A. True B. False For the chemical compound ammonium dichromate, match the Element on the left with the Number of Atoms on the right. The Number of Atoms may be used as often as necessary. (NH4)2Cr2O7 Element Number of Atoms A. 4 B. 6 C. 7 D. 8 42. hydrogen 43. oxygen Science 10 Final Exam 10 Science Foundation 10 44. What is the formula for copper (II) chloride? A. B. C. D. 45. CuCl Cu2Cl CuCl2 Cu2Cl2 Which of the following is the correct Bohr model for a magnesium atom? A. B. 12p 12n C. 46. 12p 12n 2 6 8 12p 12n 2 D. 12p 12n 2 2 8 2 10 Which of the following correctly describes ionic bonding? A. B. C. D. 47. 6 Charge on Ion + + 0 Charge on Ion + Which of the following represents the compound formed by sodium and oxygen? A. NaO B. Na2O C. NaO2 D. Na2O3 48. Covalent bonds result from sharing electrons. A. True B. False Science 10 Final Exam 11 Science Foundation 10 49. What is the correct formula for calcium hydroxide? A. B. C. D. 50. Which of the following equations is balanced? A. B. C. D. 51. KClO3 KCl + O2 KClO3 KCl + 3O2 2KClO3 2KCl + 3O2 2KClO3 3KCl + 3O2 Which of the following is a single replacement reaction? A. B. C. D. 52. CaOH Ca2OH Ca(OH)2 CaOH2 P4O10 P4 + 5O2 Zn + 2HCl ZnCl2 + H2 2Mg + O2 2MgO 2NaClO3 2NaCl + 3O2 Which of the following is not a chemical reaction? A. B. C. D. Liquid water turns to steam. Metal turns brownish-red as it rusts. Light is produced by a burning candle. An apple slowly becomes rotten. Science 10 Final Exam 12 Science Foundation 10 Physical Science Refer to the Data Booklet 53. Electricity and Magnetism For this section of the examination, refer to: Units and Abbreviations on page 4 Formulae on page 4 The Electromagnetic Spectrum on page 4 An electroscope measures the quantity of static charge. A. True B. False 54. Current electricity requires an energy source; static electricity does not. A. True B. False 55. When a rubber balloon is rubbed against a student’s hair, the balloon becomes negatively charged. Which of the following best describes why this happens? A. B. C. D. 56. Protons are transferred from the hair to the balloon. Protons are transferred from the balloon to the hair. Electrons are transferred from the hair to the balloon. Electrons are transferred from the balloon to the hair. A long-haired cat walks across a thick wool carpet and its fur stands on end. Which of the following is the most likely explanation for the reaction of the cat’s fur? A. B. C. D. Electrons in the carpet are attracting the cat’s fur. Repulsive forces of excess electrons are in the cat’s fur. Attractive forces of excess electrons are in the cat’s fur. Excess protons in the carpet are repelling the cat’s fur. Science 10 Final Exam 13 Science Foundation 10 Match each Term on the left with the best Descriptor on the right. Item Description 57. amperes A. A measure of the power used in a circuit 58. ohms B. A measure of the energy required in a circuit C. A measure of the resistance in a circuit D. A measure of the number of electrons in a circuit E. A measure of the amount of charge per unit of time 59. Which of the following are examples of static electrical discharge? I. A lightning bolt II. The spark from a Bunsen burner lighter flint III. Clothes sticking together as they are taken from the dryer IV. Walking across carpet and getting shocked by a metal door knob A. B. C. D. 60. Several dry cells in a circuit are connected in series, with the positive terminal of each cell connecting to the negative terminal of the next cell. If another cell is added to the circuit in the same manner, what will happen? A. B. C. D. 61. I, II, and III I, III, and IV I, II, and IV II, III, and IV The voltage will increase. The current will decrease. The voltage will remain the same. The current will remain the same. What does an ammeter measure? A. B. C. D. How fast the electrons are moving How many electrons are in the wire The amount of electric charge moving past a given point in a wire in one second How much energy the electrons have as they move through the wire Science 10 Final Exam 14 Science Foundation 10 Match each Term on the left with the best Descriptor on the right. Item Description 62. voltage 63. current A. Changes chemical energy into electrical energy B. A measure of the amount of electrical energy carried by a particle C. Unit of electrical charge D. The rate of flow of electrons in a wire E. A pathway through which electricity can flow 64. How is the voltage affected when three dry cells are connected in parallel? A. B. C. D. 65. The voltage will be the same as that of a single cell. The voltage will be twice that of a single cell. The voltage will be one third the voltage of a single cell. The voltage will be three times the voltage of a single cell. Each cell in the diagram below is 3.0 V. What is the total voltage of the cell combination? A. 3.0 V B. 6.0 V C. 9.0 V D. 18.0 V A. B. C. D. 3.0 V 6.0 V 9.0 V 18.0 V Science 10 Final Exam 15 Science Foundation 10 Use the circuit diagram below to answer question 66. 30 V 20 10 66. 10 10 What current would be read in the ammeter for the above circuit? A. B. C. D. .6 A 1.8 A 6.0 A 1500 A ________________________________________________________________ 67. A voltmeter is to voltage, as an ammeter is to ___________________. A. voltage B. resistance C. current D. insulation 68. A lamp is to light, as a battery is to __________________. A. B. C. D. 69. voltage resistance current conduction Increasing the current through a solenoid will result in a decrease of the magnetic field. A. True B. False Science 10 Final Exam 16 Science Foundation 10 Use the following diagram to answer question 70. Arrows show direction of electron flow 70. Suppose a compass was placed in the position marked by the circle. How would the needle of the compass orient itself? A. B. C. D. __________________________________________________________________ 71. The diagram below illustrates a magnetic field for a wire with current (electron flow) coming out of the page. A. True B. False Science 10 Final Exam 17 Science Foundation 10 Use the following diagram of a circuit to answer question 72. 30 V 2.0 A 72. What is the resistance of this circuit? A. B. C. D. .07 15 60 600 _________________________________________________________________ 73. Ohm’s law states that the amount of current in a circuit depends on the amount of voltage in the circuit. A. True B. False 74. To correctly measure the current passing through a lamp, an ammeter should be connected in parallel with the lamp. A. True B. False 75. How much current does a 600-W heater draw when connected to a 240-V household circuit? A. B. C. D. .4 A 2.5 A 600 A 144 000 A Science 10 Final Exam 18 Science Foundation 10 76. A 240-V hot tub draws 45 A of current. How much electrical energy is consumed if the hot tub is used for two hours? A. B. C. D. 77. Which of the following best describes a step-down transformer? A. B. C. D. 78. 10 800 J 21 600 J 1 296 000 J 77 760 000 J It decreases the resistance in a wire. It changes high current to low current. It changes high voltage to low voltage. It changes low voltage to high voltage. Energuide labels indicate the amount of voltage required to operate an appliance. A. True B. False Science 10 Final Exam 19 Science Foundation 10 Physical Science Refer to the Data Booklet 79. Radioactivity For this section of the examination, refer to: The Periodic Table on page 3 The Electromagnetic Spectrum on page 4 Common Isotope Pairs on page 6 Half life is the time it takes for radioactive material to decay to half its original size. A. True B. False 80. 81. Which of the following shows the decay curve for a radioactive element? A. B. C. D. TV waves are shorter than AM radio waves. A. True B. False 82. Microwaves have more energy than ultraviolet light. A. True B. False Science 10 Final Exam 20 Science Foundation 10 83. Alpha radiation can pass through your hand. A. True B. False 84. In gamma decay (), a neutron breaks down into an electron and a proton. A. True B. False 85. Which of the following is not part of the electromagnetic spectrum? A. B. C. D. colour sound radio waves infrared heat Match the Decay Type on the left with the Equation on the right. Decay Type Nuclear Equation 86. alpha decay A. 234 90 B. 24 12 C. 226 88 D. 7 4 87. beta decay Science 10 Final Exam 21 Th 234 91 Mg * Ra Be + 0 1 Pa + 24 12 222 86 0 1 e Mg + 00 ã Rn + 42 He e 73 Li Science Foundation 10 Use the following graph to answer questions 88 and 89. Percent of Original Isotope Decay Graph of a Radioactive Isotope 100 75 50 25 0 0 10 20 30 40 50 60 70 80 Time (millions of years) 88. How many complete half-lives has the sample gone through after 40 million years? A. B. C. D. 89. 0 1 2 3 What percentage of the parent material is left after 60 million years? A. B. C. D. 75% 50% 25% 12.5% Use the information below to answer question 90. I. II. III. IV. 90. Application of Radiation X-rays television sets smoke detectors microwave ovens Which of the following technological applications of radiation is not designed for use in the home? A. B. C. D. I II III IV Science 10 Final Exam 22 Science Foundation 10 Earth and Space Science Refer to the Data Booklet 91. Earth Forces For this section of the examination, refer to: Geologic Time Scale on page 5 Tectonic Plate Boundaries Map on page 7 Mapping the types of rock on the Earth’s surface is an example of geological field work. A. True B. False 92. The lithosphere allows the plates of the asthenosphere to move around on the Earth’s surface. A. True B. False 93. How did geologists determine where the different layers of the Earth were located? A. B. C. D. geological field work observing volcanoes drilling into Earth analyzing earthquake waves Science 10 Final Exam 23 Science Foundation 10 Use the diagram below to answer questions 94 and 95. Match each Layer on the left with correct Number from the Diagram on the right. Layer Number from Diagram 94. mantle A. W B. X 95. outer core C. Y D. Z 96. A rock contains the three fossils shown below. In which of the following periods did the rock likely form? A. B. C. D. Triassic Permian Silurian Ordovician Science 10 Final Exam 24 Science Foundation 10 Match each Event on the left with best Era on the right. Event Era 97. break up of Pangaea A. Paleozoic 98. formation of the Grand Canyon B. Cenozoic C. Mesozoic D. Precambrian 99. Which of the following periods was the longest? A. B. C. D. 100. Cretaceous Jurassic Triassic Permian Composite volcanoes are the result of alternating layers of ash and lava. A. True B. False Science 10 Final Exam 25 Science Foundation 10 Use the following diagram to answer question 101. 101. What is the correct order of events from oldest to youngest? A. H, K, J, L B. K, L, J, H C. J, L, H, K D. L, K, J, H ___________________________________________________________ 102. Comparing one layer to the position of another layer is called relative dating. A. True B. False Use the following cross-section to answer question 103 and 104. 103. Which of the following describes when feature Z formed? A. B. C. D. before B before N after P after N Science 10 Final Exam 26 Science Foundation 10 104. Which principle is used to determine the relative age of Z? A. B. C. D. the principle of superposition the principle of sedimentation the principle of original horizontality the principle of cross-cutting relationships Use the following cross-section to answer question 105. 105. What is the sequence of geological features from oldest to youngest? A. B. C. D. Oldest R V V T W R T W Youngest T T R R V W W V Use the following graph to answer question 106. 106. How much of the daughter product is present after 27 million years? A. B. C. D. 25% 27% 75% 100% Science 10 Final Exam 27 Science Foundation 10 107. If a sample of rock originally contained 120 g of radioactive material, how much would remain after three half-lives? A. B. C. D. 3g 15 g 40 g 360 g Use the following block diagram to answer questions 108 and 109. 108. Which of the following describes the feature at Z? A. B. C. D. 109. rift ridge trench fracture This area is a subduction zone. A. True B. False Science 10 Final Exam 28 Science Foundation 10 Use the diagram below to answer 110 and 111. Magma rises to surface Source of magma 110. What name is given to this tectonic environment? A. B. C. D. 111. hot spot subduction zone diverging plate boundary transform plate boundary Mount Kilauea on the Big Island of Hawaii has been erupting constantly for over 20 years with no loss of life. What characteristics of the volcano have made that possible? A. B. C. D. The volcano only releases ash clouds. The Big Island has very few people on it. The magma is thin and does not erupt violently. The volcano always gives warnings of lava flows. Science 10 Final Exam 29 Science Foundation 10 Use the photograph below of Gleebruk, Indonesia, to answer question 112. Photo courtesy of NASA http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=16782 112. The photograph shows the damage caused by a tsunami that hit this area on December 26, 2004. What geologic event causes a tsunami? A. B. C. D. extremely high tides hurricane-force winds rapid sinking of coastline an underwater earthquake END OF EXAMINATION Science 10 Final Exam 30 Science Foundation 10