PORTAGE MICROBIOLOGY FINAL EXAM LATEST GUIDE UPDATED 2023, Study Guides, Projects, Research of Nursing

Download PORTAGE MICROBIOLOGY FINAL EXAM LATEST GUIDE UPDATED 2023 and more Study Guides, Projects, Research Nursing in PDF only on Docsity! PORTAGE MICROBIOLOGY FINAL EXAM LATEST GUIDE UPDATED 2023 1. The radius of the path of an object in uniform circular motion is doubled. The centripetal force needed if its speed remains the same is . A. Four times as before B. Half as great as before C. Twice as much D. Three times as much 2. Car A has a mass of 1000kg and a speed of 60km/hr. car B has amass of 2000kg and a speed of 30km/hr. compare the kinetic energy foe car A with that of car B. A. Half as much B. Four times as much C. Equal D. Twice as much 3. What would be the horizontal line in a position-time graph means? A. Changing position, constant velocity B. Constant position, constant velocity C. Changing position, increase velocity D. Constant position, zero velocity 4. What is the car‟s acceleration if ten seconds after the starting from rest; it is moving at 40m/s? A. 4.0m/s2 B. 10m/s2 C. 2.5m/s2 D. 0.25m/s2 5. A heavy object and a light object are released from the rest at the same height and time in a vacuum. As they fall, they have equal . A. Weights B. Moments C. Acceleration D. Energies 6. Airplanes are designed with pointed nose and thin tails in order to . A. Produce fluid friction B. Reduce drag C. Increase the lift of the wing D. Lessen the forward thrust 7. A stone was thrown upward from the roof, at the same time that an identical stone was dropped from there. The two stones will . A. Have the same velocity upon reaching the ground B. Take the same time to reach the ground PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 5 C. 30 degrees D. 45 degrees 16. A 400 N woman stands on top of a very tall ladder so she is one earth radius above the earth‟s surface. How much does she weights? A. 100N B. Zero C. 200N D. 400N 17. What must be the minimum length of the plane mirror in order for you to see a full view of yourself? A. Your full height B. One-fourth C. One-half D. Three-fourths 18. A rifle recoils from firing a bullet. The speed of the recoil is slow because . A. The force against the rifle is less B. The rifle has more mass than the bullet C. The impulse on the rifle is less D. The momentum of the rifle is unchanged. 19. Which statements differentiate weight for mass? A. Weight is distance from a reference point B. Weight has volume, mass has none C. Weight is a full of gravity, mass is space occupied D. Weight is a force while mass is amount of matter 20. Who established the relationship between the volume of a gas and the pressure when the temperature is constant? A. Blaise Pascal B. Robert Boyle C. Lavoisier D. Archimedes ANSWER KEY 1. B 2. D 3. D 4. A 5. C 6. B 7. C 8. B 9. B 10. B 11. B 12. A 13. C 14. D 15. D 16. A 17. C 18. B 19. D 20. B PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 6 NATURAL SCIENCE (4) 1) Solar eclipse occurs when . a. The Moon is between the Earth and the Sun. b. The Earth is between the Moon and the Sun. c. The Sun is between the Earth and the Moon. d. The Earth is behind the Sun. 2) What phase of the Moon is observed when it cannot be seen at all because it passes directly between the Earth and the Sun? a. New Moon b. First quarter c. Last Quarter d. Full Moon 3) Fossils are mostly to be found in . a. Sedimentary rocks b. Igneous rocks c. Metamorphic rocks d. Plutonic rocks 4) Tropical disturbances are classified as tropical depression, tropical storm or typhoon. This classification is based on the . a. Amount of rainfall b. Strength of the accompanying winds c. Amount of rainfall and strength of accompanying winds d. Origin of formation 5) The Philippines lies in the region where many volcanoes are active. This region is known as: a. Wheel of Fire b. Ring of Fire c. Volcanic Rim d. Archipelagic Fault Line 6) The following means help in controlling floods, EXCEPT: a. Reforestation b. Deforestation c. Crop rotation d. Construction of flood ways 7) Petroleum is formed by the . a. decay of microorganisms under heat and pressure b. heat from radioactive substances found in the mantle c. volcanic eruptions that burn living matters d. steam trapped underneath a geologic column 8) Farmers add commercial fertilizers to the soil to . a. Speed up the decay of bacteria b. Add mineral content PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 7 c. Activate the growth of earthworms d. Enhance the growth of the roots 9) All of the following are reasons why terraces are built in Mountain Province, EXCEPT: a. to accommodate excess run of water b. to provide space for planting rice c. to make the place beautiful d. to provide steps for the natives to go up hill 10) When a plant cell is placed in a hypertonic solution, the plant cell will: a. expand b. rupture c. shrink d. have no effect on the plant cell. 11) Which of the following organisms is included in the Kingdom Plantae? a. Magnolidae b. Fungi c. Protozoa d. Prokaryotes 12) Which part of the brain is responsible for intelligence, memory and learned behavior? a. Cerebellum b. Cerebrum c. Medulla d. Thalamus 13) What is most likely happen when a species cannot adapt to the changes in the environment? a. It will be transform to another form b. It will become extinct c. It will be isolated d. It will grow old 14) A cold-blooded animal is one that . a. lacks red corpuscles b. lacks white corpuscles c. has a variable body temperature d. has a fixed body temperature 15) Spiders can be distinguished from insects by the fact that spiders have . a. hard outer covering b. four pairs of legs c. large abdomens d. biting mouth parts 16) A lot of malnourished children in Africa are found to have poor teeth and eyesight. This is believed to be caused by deficiency in . a. Vitamin A and D b. Iodine PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 10 a. Earthworm b. Leech c. Flatworm d. Remora 25) Which of the following is an example of non-pathogenic microorganisms? a. Probiotics such as lactobacilli b. Yersenia pestis c. Plasmodium vivax d. Influenza SP 26) What stage in chicken pox considered very contagious? a. When wounds are peeling off b. When wounds have swollen c. When all wounds have disappeared d. During the first week 27) The main organ for respiration is the . a. Nose b. Lungs c. Esophagus d. Trachea 28) Which chemical substance produced by the body regulates and coordinates the functions and activities of bodily organs: a. gene b. deoxyribonucleic acid c. hormone d. enzyme 29) All of the following are autotrophs, EXCEPT: a. Fern b. Grasshopper c. Herb d. Grass 30) What organism would most likely be in arctic environment? a. Frog b. Tutle c. Rice birds d. Walrus 31) Which of the following best describes the science of Ecology? a. Living things b. Rocks c. Life and Environment d. Weather and Climate 32) What do you call the natural environment where a certain organism lives and thrives? PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 11 a. Community PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 12 b. Habitat c. Country d. Ecosystem 33) When water from a river is mixed with sewage in a septic tank, water pollution occurs and this is called . a. Eutrophication b. Hypertrophication c. Hydrolysis d. Water condensation 34) The Kyoto Protocol requires the reduction of greenhouse gases in the environment. This practice advocates: a. Environmental protection b. Energy conservation c. Ecological destruction d. Sustainable development 35) Which body organ is responsible for the removal of waste from the blood and body fluids? a. liver b. pancreas c. kidney d. large intestine 36) At present, scientists report about the formation of holes in the ozone layer of the atmosphere. This dangerous trend is being blamed on which of the following wrong practices? a. The use of ozone itself on the surface or the Earth. b. The excessive use of aerosols. c. Removal of the protective cover like the green plants. d. The use of soil fertilizers on Earth. 37) Where do producers obtain their energy? a. From other producers b. From the consumers c. From the decomposers d. From the sun 38) What term is used to describe the ability to maintain a constant internal environment? a. Metabolism b. Growth and Development c. Homeostasis d. Thermoregulation 39) What is the most common cause of cardiovascular disease? a. Fatty deposits in the arteries b. Inadequate supply of red blood cells c. Lack of sodium in the diet d. Increased heartbeat PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 15 25. A - Non-pathogens are microorganisms that do not cause diseases. Lactobacilli, which are PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 16 inside the intestine helps digests food. 26. D 27. B 28. C 29. B 30. D 31. C 32. B 33. B 34. A 35. C 36. B 37. D 38. C 39. A 40. A 41. C 42. D 43. A 44. A 45. C 46. B 47. D 48. B 49. A 50. D Actual BLEPT 2017 Questions/Answers 1. cirque 2. lithification 3.diastrophism 4. How many Galilean moons--4 5. General theory of relativity 6. Special theory of relativity 7. plasma 8.Speed 9. energy 10. amount of space in any direction--- volume 11. When does nuclear fusion of H and He occur? 12. liquid 13. What is the molar mass of Maltose? 14. What is the molar mass of Nicotine? 15. Educated guess--- hyphothesis 16. What is the atomic number of Tungsten (W) ---74 PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 17 17. Continental slope PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 20 64. Speed of light in a diamond 65. When resistors are conducted in parallel?--- The current flowing through each resistor is the same. 66. Electromagnetic waves--- polarization 67. Convex, Spherical mirror---virtual;erect 68. Kepler's Law-- T^2=KR3 69. Ethyl--CH3 71. Latitude---measured from North to south 72. More massive--- object on Earth 73. What do you call the upward force?? (lift, rise,or updraft) 74. Generator--- mechanical to electrical energy 75 What force keep stars from flying off? --- Gravitational 76. magma 77. Solubility of gases is directly proportional to pressure 78. A scientific law can be expressed as a. written concept, an equation and graph 79. Which of the following situations does NOT show work being done? b. A boy pressed his hands on the electric post 80. A fluorescebt lamp rated at 100 KW has an efficiency of 20%. How much energy is used for 5 hours? b. 100 Kw -hrs 81. If the speed of a moving object is doubled, which quantity associatef with the object must also double? d. Its momentum 82. The basic difference between a monomer of polyethylene and monomer of polovinyl chloride is the C. Replacement of a hydrogen by chlorine 83. What is the formula weight of magnesium hydroxide, an ingredient found in antacid? C. 58.3 u 84. What describes the critical stage of tornado? d. tornado warning 85. The composition of dry air is approximately 78%, Nitrogen, 21% Oxygen and 1% other gases. What is the partial pressure of nitrogen at standard atmosphetic pressure (101kPa) c. 79.0 kPa 86. What is the proof of a wine cooler that is 5 percent alcohol by volume b. 2.5 proof 87. Which of the following is NOT essential to the Bergeron Process? a. Silver iodine 88. The effect that we call a mirage has something to do with c. carbon rod 89. If the speed of a moving object is doubled , which quantity associated with the object must also double? c. its momentum 90. The magnitude of displacement is always PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 21 a. less than or equal to the distance traveled PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 22 91. Which of the following is always conserved? c. mechanical energy 92. Only about 50% of the solar energy directed toward Earth penetrates directly to the surface? What happens to the rest of the radiation? d. It is absorbed or reflected by the atmosphere 93. An observer is standing on the Eastern side of a cliff wher a sailing ship can be seen. As the ship sails away it seems to sink slowly ftom the observer's point of view. This is because the b. Earth is an oblate spheroid 94. Which of the following are agents that cause erosion? c. wind and glacier 95. Absolute geologic time is based upo d. radiometric dating 96. The building of mountains is best explained by the b. theory of plate tectonics 97. Stars twinkle and planets do not twinkle because = c. Planets shine by reflected lights and stars produce their own light 98. Crustal folding of Earth's rock layers can occur as a series of arches and troughs. The arches are known as d. anticlines 99. The planet with its motion about its axis which is faster than that of any other planet, taking only 10 h to make one rotation is b. Jupiter 100. Which of the following is not a unit of distance measurement to a celestial object? d. astronomical unit 101. During period of increased global temperatures, which of the following is most likely to occur? b. An increase in atmospheric CO2 102. What are the consequences of continued increase in global temperature? I. Rise of sea levels II. Extreme changes in weather patterns III. Expansion of subtropical deserts IV. Thermal pollution c. I,II and IV GENERAL SCIENCE/biological science 1. These are living things that use sunlight, chlorophyll, water and carbon dioxide to produce food. a. Autotrophs c. Heterotrophs b. Consumers d. Food chain 2. It is describe as the lifeline of the body. IT is the body‟s “pickup” and delivery system.” a. Blood c. circulatory system b. nervous system d. heart 3. It carries the oxygen-rich blood to the head, arms, and chest and down to the waist and the legs. a. heart c. aorta b. ventricles d. arteries PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 25 d. Cold and warm air mixing in the atmosphere PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 26 15. What is a eat haze? a. A reflection caused by pollutants in the air b. A distorted image resulting from the bending o sun‟s light rays by changes in air temperature c. A movement o warm air over a vast expanse of land d. Caused by extremely high temperature common in dessert areas 16. What sort of rock formation do the world‟s greatest mountain ranges consist of? a. Magma c. Fold eruptions b. Chalk deposit d. Slip formation 17. What is the fore that wears down mountains? a. Earthquake c. Volcanic eruptions b. Erosion d. Deforestation 18. How are volcanic island formed? a. Collision of two oceanic plates b. Cooling of lava by seawater c. Volcanic eruptions d. Accumulation of corals 19. When the Theory of plate Tectonics was generally accepted? a. 1900‟s c. 1950‟s b. 1930‟s d. 1980‟s 20. The weathering away of rocks by water, wind and ice. a. Denudation c. Volcanic rock b. Erosion d. Metamorphic rock 21. How do hormones work? a. By releasing adrenaline b. By controlling cell chemistry c. By regulating water loss d. By controlling blood pressure 22. Name the male and female sex hormones a. Sperm cell & Ovum c. Chromosomes b. Testosterone d. Red & white blood cells 23. The unit of measurement of energy in a given an mount of food a. Pound c. Olfactory system b. Kilo d. calorie 24. Nitrogen compounds known as the building blocks of proteins 25. The growth of roots towards water is an example of? a. Chemotropism c. Hydrotropism b. Geotropism d. Phototropism 26. DNA means a. Data nurturing analysis c. Deoxyribonucleic acid b. Deoxytribonucleic acid d. Deotrixyl nucleic acid 27. What are the three products of oxygen when it has been burned? a. Water, carbon dioxide and air b. Energy, water and carbon dioxide c. Energy, carbon and oxide d. Energy, air and water PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 27 28. In flowering plants, fertilization happens in the? PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 30 41. It is the measure of the amount of matter in an object a. Weight c. Volume b. Mass d. Quantity 42. It is the distance traveled by the body per unit time and tell how fast or slow the body moves a. Velocity c. Acceleration b. Speed d. None of the above 43. The rate of change of the distance traveled per unit time in a stated direction a. Velocity c. Acceleration b. Speed d. None of the above 44. This law states that the force acting upon an object is equal to the product o the mass and acceleration of the object a. Newton‟s 2nd law of motion b. Newton‟s 3rd law of motion c. Newton‟s 1st law of motion d. None of the amount 45. When a force is applied to a body, several effects are possible. Which one of the following effect CAN”T occur? a. the body rotates b. the body changes direction c. the body increase its mass d. the body changes shape 46. It is the reluctance of the object to change either its‟ state of rest or uniform motion in a straight line a. Force c. Inertia b. Friction d. Motion 47. This law states that energy cannot be created nor destroyed but only changes from one form to another a. Energy law b. Kinetic Theory of Matter c. Law of Conservation Energy d. None of the above 48. This law states that matter is made up of a large number of molecules which are in continuous motion a. Boyles‟s Law c. Law of Conservation Energy b. Kinetic Theory d. None of the above 49. The lowest possible temperature that a substance can reach a. Freezing point c. Steam point b. Absolute Zero d. Threshold 50. It is the amount of heat required to raise the temperature of kg. of a substance by degree C a. Calorie c. Specific heat capacity b. Watt d. Joule 51. The relationship of give-and-take of living organism in the biosphere is a balance of nature called . a. universal relationship b. symbiotic relationship PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 31 c. spontaneous relationship PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 32 d. abiogenetic relationship 52. Process of removing excess odor in water. a. sedimentation c. distillation b. chlorination d. aeration 53. Which of the following statement is CORRECT? a. As altitude increases, atmospheric pressures corresponding b. Throughout the available space, gas tends to contract c. Equal chances are always given to all in life d. Shadow is formed when a colored object is projected against the wall 54. The earth rotates on its axis from west to east. This causes the sun to ? a. appear with a fiery orange color b. cause the appearance of solar eclipse c. rise room the east and sets in the west d. emit solar radiation 55. One of these planets has the greatest gravitational pull. Which one is it? a. Mars b. Earth c. Mercury d. Jupiter 56. It is the law which explains why one can pull a piece without topping a glass in a quick motion. a. energy in motion c. law of inertia b. gravity d. force 57. Which of the following is NOT a source of energy? a. water c. geothermal heat b. nuclear d. inertia at rest 58. Which instrument will one use to convert mechanical energy to electrical energy? a. rotor b. generator c. motor d. circuit 59. Sun‟s energy is generated by? a. nuclear fission b. sun enacting with gravity c. nuclear fusion reaction d. reaction with magnetic field 60. Application of energy is called ? a. work c. kinetics b. inertia d. simulation 61. The falling of any form of water from the air to the earth‟s surface a. Condensation c. Water vapor b. Precipitation d. Rainwater 62. The part of the atmosphere that filters the ultraviolet rays of the sun a. stratosphere c. Ozone layer b. Troposphere d. Ionosphere 63. The point in the earth‟s orbit nearest to the sun a. Solstice c. Aphelion b. Eclipse d. Perihelion 64. A property of minerals which gives off rays of light when exposed to ultraviolet light. a. Luminescence c. Radiation b. Phosphorescence d. Fluorescence 65. Which process involves chemical weathering? PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 35 b. Food web d. Biological cycle PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 36 80. Which of the following does NOT occur to both respiration and fermentation? a. energy is released b. sugar is broken down c. carbon dioxide is produced d. alcohol is formed 81. Energy removal is best illustrated in a. boiling of liquid substances b. changing water to ice c. changing water to stem d. none of the above 82. Refers to the maximum amount of solute expressed in grams that can be dissolved in 100 grams of water at a specific temperature a. Solubility c. Molarity b. Stability d. Molality 83. Compounds with the same molecular formula but with different structural formulas a. Cellulose c. Polymers b. Isomers d. Monomers 84. The most penetrating type of radiation given of by radioactive elements a. Alpha particle c. Gamma particle b. Beta particle d. None of the above 85. The basic unit for expressing the masses o individual atoms a. Atomic number c. Nucleus b. Atomic mass unit d. Atomic weight 86. A substance that speeds up a chemical reaction without itself undergoing a chemical change a. catalyst c. Electrolytes b. Enhancer d. Ionizer 87. The temperature at which the vapor pressure of the liquid is equal to the pressure of the surroundings atmosphere a. Melting point c. Boiling Point b. Critical point d. None of the above 88. the warming of the earth‟s surface due to an increase in atmospheric carbon dioxide a. “Greenhouse effect” c. Atmospheric pressure b. Ozone d. El Nino phenomena 89. Describe the force of gravity on an object a. mass c. capacity b. weight d. pressure 90. When gaseous molecules are compressed, they tend to? a. increase in volume c. repel each other b. decrease in volume d.attract and liquefy 91. It is the union of two light nucleus to form a heavier nucleus, resulting in a mass defect and release of energy a. Radiation c. Nuclear Fusion b. Nuclear Fission d. Radioactivity 92. Which of the following statements is a characteristic of an electronic spectrum? a. They all travel at the same speed in fire space PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 37 b. The exhibit diffraction and interference phenomena PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 40 12 b 62 c 13 a 63 d 14 b 64 b 15 b 65 d 16 c 66 c 17 b 67 b 18 a 68 c 19 c 69 c 20 b 70 b 21 b 71 b 22 b 72 b 23 d 73 c 24 d 74 d 25 c 75 a 26 c 76 b 27 b 77 d 28 c 78 a 29 b 79 b 30 c 80 d 31 b 81 b 32 a 82 a 33 b 83 b 34 c 84 c 35 d 85 b 36 d 86 a 37 b 87 c 38 b 88 a 39 b 89 b 40 c 90 a 41 b 91 c 42 b 92 d 43 c 93 a 44 a 94 c 45 c 95 a 46 d 96 c 47 b 97 b 48 b 98 d 49 b 99 a 50 c 100 a PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 41 Key Points on Jamb Physics hot topics (1 to 10) 1) The classification of Wave are: Mechanical Wave (E.g Water and Sound Wave) Electromagnetic Wave (E.g Gamma and X-Rays) Progressive/Travelling Wave (Water And Sound) Stationary/Standing Wave (Nodes And Antinodes) Longitudinal Wave (E.g Sound Waves) Transverse Wave (E.g Waves in Pipe and Strings). 2) Stationary Wave occur when two interfering waves of the same amplitude and frequency travel in opposite direction. 3) Velocity of Sound In: [09:44, 5/9/2017] Tee~Jay.com: Air is 332m/s Water (Liquid) is 1435m/s Iron (Solid) is 5000m/s 4) The velocity of Echo is equal to the total distance traveled by the sound divided by the time taken. 5) The quality of sound depends on the number of overtones or harmonics. It makes it possible to distinguish between two instruments playing the same note. 6) Vibration can either be free, forced or resonance. 7) Eclipse occurs due to the travel of light in a straight line. 8) The application of plane mirrors are Periscope, Kaleidoscope and Sextant. 9) Refraction occurs at constant frequency. 10) Hydrogen spectrum has all colors of white light, Sodium vapour has yellow line (spectrum) and Mercury vapour has Blue and Green spectrum. PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 42 Hot Points And Topics In Jamb PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 45 energy directly into electrical energy. 29) Local action is caused by impurity of zinc plate. 30) Eddy current is reduced by lamination. Hot Key Points In Jamb UTME Physics (30 to 40) 31) Induction coil is used to step up voltage in DC circuit. 32) Generator operates based on the principle of self induction. 33) DC doesn‟t oscillate and as such does not have a frequency. 34) Telephone receiver or earpiece works on the principle of magnetic effect of current. 35) Plane mirrors do not enlarge or reduce the size of object. Object size is the same as image size. 36) Factors affecting resistance are: Length of conductor. Area of conductor. Temperature and Type of material used. 37) Triangular prism with two convex lenses is used to produce pure spectrum. 38) If light energy is less than the work function, no electron will be emitted and vice versa. 39) Work function is the energy that can produce threshold frequency (W=hf). 40) The uncertainty principle only works for atoms and not irons. Likely Jamb physics questions to Note (40 to 50) 41) The applications of total internal reflection are Mirage and Fish view under water. 42) Binding energy is the reason for mass defect. 43) Bismuth is diamagnetic. 44) Current is the rate of flow of PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 46 charge. PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 47 45) Kirchoff‟s current law states that the algebraic sum of currents flowing into the circuit is equal to the algebraic sum of currents leaving the circuit. 46) Kirchoff‟s voltage law states that the sum of all the voltages around circuit loop is equal to zero. 47) Example of refrigerants are Ammonia and Ethyl Chloride. 48) Kaleidoscope is designed to obtain different color patterns. 49) To convert a Galvanometer to Ammeter, a low resistance called shunt is connected in parallel with the meter. 50) As temperature increases, the speed of sound increases. PHYSICAL SCIENCE D Which of the following is not one of the four forces of nature? A. Strong force B. Weak force C. Electromagnetic force D. Repulsive force E. Gravitational force D 40K has a half-life of 109 years. If a dinosaur died 65,000,000 years ago, what percentage of its original supply of 40K nuclei remain today? A. 1.2% B. 99.93% C. 45.3% D. 95.6% E. 97.3% E When a lithium atom is made from a helium atom by adding a proton (and neutron) to the nucleus and an electron outside, the electron goes into an n=2, l=0 state rather than an n=1, l=0 state. This is an indication that electrons: A. occupy the state with the lowest energy B. are relativistic particles. C. are diffracted. D. and protons are interchangeable. PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 50 If the electric field in a plane electromagnetic wave is given by Em sin[(3×106 m−1)x −ωt], the PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 51 value of ω is: A. 0.01 rad/s B. 10 rad/s C. 100 rad/s D. 9 × 1014 rad/s E. 9 × 1016 rad/s C Radio waves of wavelength 300m have a frequency of: A. 10−3 kHz B. 500 kHz C. 1MHz D. 9MHz E. 108 kHz D The theoretical upper limit for the frequency of electromagnetic waves is: A. just slightly greater than that of red light B. just slightly less than that of blue light C. the greatest x-ray frequency D. none of the above (there is no upper limit) E. none of the above (but there is an upper limit) C Visible light has a frequency of about: A. 5 × 1018 Hz B. 5 × 1016 Hz C. 5 × 1014 Hz D. 5 × 1012 Hz E. 5 × 1010 Hz D The speed of light in vacuum is about: A. 1100 ft/s B. 93 × 106 m/s C. 6 × 1023 m/s D. 3 × 1010 cm/s E. 186, 000 mph C Maxwell's equations predict that the speed of light in free space is A. an increasing function of frequency B. a decreasing function of frequency C. independent of frequency D. a function of the distance from the source E. a function of the size of the source D PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 52 The product μ00 has the same units as: PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 55 A. J/m2 B. J/s C. W/s D. W/m2 E. J/m3 C The time-averaged energy in a sinusoidal electromagnetic wave is: A. overwhelmingly electrical B. slightly more electrical than magnetic C. equally divided between the electric and magnetic fields D. slightly more magnetic than electrical E. overwhelmingly magnetic B At a certain point and a certain time the electric field of an electromagnetic wave is in the negative z direction and the magnetic field is in the positive y direction. Which of the following statements is true? A. Energy is being transported in the positive x direction but half a cycle later, when the electric field is in the opposite direction, it will be transported in the negative x direction B. Energy is being transported in the positive x direction and half a cycle later, when the electric field is in the opposite direction, it will still be transported in the positive x direction C. Energy is being transported in the negative x direction but half a cycle later, when the electric field is in the opposite direction, it will be transported in the positive x direction D. Energy is being transported in the negative x direction and half a cycle later, when the electric field is in the opposite direction, it will still be transported in the negative x direction E. None of the above are true D An electromagnetic wave is transporting energy in the negative y direction. At one point and one instant the magnetic field is in the positive x direction. The electric field at that point and instant is: A. positive y direction B. negative y direction C. positive z direction D. negative z direction E. negative x direction E A point source emits electromagnetic energy at a rate of 100W. The intensity 10m from the source is: A. 10W/m2 B. 1.6W/m2 C. 1W/m2 D. 0.024W/m2 E. 0.080W/m2 PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 56 C The light intensity 10m from a point source is 1000W/m2. The intensity 100m from the same source is: A. 1000W/m2 B. 100W/m2 C. 10W/m2 D. 1W/m2 A When the distance between a point source of light and a light meter is reduced from 6.0m to 2.0m, the intensity of illumination at the meter will be the original value multiplied by: A. 3 B. 9 C. 1/3 D. 1/9 E. 1 B The magnetic field in a sinusoidal light wave has an amplitude of 3.3 × 10−7 T. The intensity of the wave is: A. 1.7 × 10−4W/m2 B. 13W/m2 C. 27W/m2 D. 1.0 × 105W/m2 E. 4.0 × 1010W/m2 E Light with an intensity of 1kW/m2 falls normally on a surface and is completely reflected. The radiation pressure is: A. 1 kPa B. 3 × 1011 Pa C. 1.7 × 10−6 Pa D. 3.3 × 10−6 Pa E. 6.7 × 10−6 Pa D Light with an intensity of 1kW/m2 falls normally on a surface and is completely absorbed. The radiation pressure is: A. 1 kPa B. 3 × 1011 Pa C. 1.7 × 10−6 Pa D. 3.3 × 10−6 Pa E. 6.7 × 10−6 Pa D Light with an intensity of 1kW/m2 falls normally on a surface with an area of 1 cm2 and is completely absorbed. The force of the radiation on the surface is: A. 1.0 × 10−4 N PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 57 B. 3.3 × 10−11 N PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 60 The angle between the axes of polarization of these sheets is θ. Find θ if the emerging light has intensity I0/4: A. sin−1(1/2) B. sin−1(1/√5) C. cos−1(1/2) D. cos−1(1/√2) E. tan−1(1/4) C Three polarizing sheets are placed in a stack with the polarizing directions of the first and third perpendicular to each other. What angle should the polarizing direction of the middle sheet make with the polarizing direction of the first sheet to obtain maximum transmitted intensity when unpolarized light is incident on the stack? A. 0 B. 30◦ C. 45◦ D. 60◦ E. 90 A Three polarizing sheets are placed in a stack with the polarizing directions of the first and third perpendicular to each other. What angle should the polarizing direction of the middle sheet make with the polarizing direction of the first sheet to obtain zero transmitted intensity when unpolarized light is incident on the stack? A. 0 B. 30◦ C. 45◦ D. 60◦ E. All angles allow light to pass through E The relation n1 sin θ1 = n2 sin θ2, which applies as a ray of light strikes an interface between two media, is known as: A. Gauss' law B. Snell's law C. Faraday's law D. Cole's law E. law of sines E As used in the laws of reflection and refraction, the "normal" direction is: A. any convenient direction B. tangent to the interface C. along the incident ray D. perpendicular to the electric field vector of the light E. perpendicular to the interface B PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 61 When an electromagnetic wave meets a reflecting surface, the direction taken by the reflected PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 62 wave is determined by: A. the material of the reflecting surface B. the angle of incidence C. the index of the medium D. the intensity of the wave E. the wavelength D The index of refraction of a substance is: A. the speed of light in the substance B. the angle of refraction C. the angle of incidence D. the speed of light in vacuum divided by the speed of light in the substance E. measured in radians E The units of index of refraction are: A. m/s B. s/m C. radian D. m/s2 E. none of these D A photon in light beam A has twice the energy of a photon in light beam B. The ratio pA/pB of their momenta is: A. 1/2 B. 1/4 C. 1 D. 2 E. 4 C The concentration of photons in a uniform light beam with a wavelength of 500nm is 1.7 × 1013 m−3. The intensity of the beam is: A. 6.7 × 10−6W/m2 B. 1.0 × 103W/m2 C. 2.0 × 103W/m2 D. 4.0 × 103W/m2 E. 3.2 × 102W/m2 A Light beams A and B have the same intensity but the wavelength associated with beam A is longer than that associated with beam B. The photon flux (number crossing a unit area per unit time) is: A. greater for A than for B B. greater for B than for A C. the same for A and B PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 65 on a certain sample is 1.8V. The kinetic energy of the most energetic electrons ejected and the work function of the sample, respectively, are: A. 1.8 eV, 2.8 eV B. 1.8 eV, 1.0 eV C. 1.8 eV, 4.6 eV D. 2.8 eV, 1.0 eV E. 1.0 eV, 4.6 eV B Separate Compton effect experiments are carried out using visible light and x rays. The scattered radiation is observed at the same scattering angle. For these experiments: A. the x rays have the greater shift in wavelength and the greater change in photon energy B. the two radiations have the same shift in wavelength and the x rays have the greater change in photon energy C. the two radiations have the same shift in wavelength and the visible light has the greater change in photon energy D. the two radiations have the same shift in wavelength and the same change in photon energy E. the visible light has the greater shift in wavelength and the greater shift in photon energy C In Compton scattering from stationary particles the maximum change in wavelength can be made smaller by using: A. higher frequency radiation B. lower frequency radiation C. more massive particles D. less massive particles E. particles with greater charge E Of the following, Compton scattering from electrons is most easily observed for: A. microwaves B. infrared light C. visible light D. ultraviolet light E. x rays E In Compton scattering from stationary electrons the largest change in wavelength occurs when the photon is scattered through: A. 0◦ B. 22.5◦ C. 45◦ D. 90◦ E. 180◦ E In Compton scattering from stationary electrons the frequency of the emitted light is independent of: PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 66 A. the frequency of the incident light PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 67 B. the speed of the electron C. the scattering angle D. the electron recoil energy E. none of the above B In Compton scattering from stationary electrons the largest change in wavelength that can occur is: A. 2.43 × 10−15 m B. 2.43 × 10−12 m C. 2.43 × 10−9 m D. dependent on the frequency of the incident light E. dependent on the work function D Electromagnetic radiation with a wavelength of 5.7×10−12 m is incident on stationary electrons. Radiation that has a wavelength of 6.57 × 10−12 m is detected at a scattering angle of: A. 10◦ B. 121◦ C. 40◦ D. 50◦ E. 69◦ B Electromagnetic radiation with a wavelength of 3.5 × 10−12 m is scattered from stationary electrons and photons that have been scattered through 50◦ are detected. An electron from which one of these photons was scattered receives an energy of: A. 0 B. 1.1 × 10−14 J C. 1.9 × 10−14 J D. 2.3 × 10−14 J E. 1.3 × 10−13 J B Electromagnetic radiation with a wavelength of 3.5 × 10−12 m is scattered from stationary electrons and photons that have been scattered through 50◦ are detected. After a scattering event the magnitude of the electron's momentum is: A. 0 B. 1.5 × 10−22 kg · m/s C. 2.0 × 10−22 kg · m/s D. 2.2 × 10−22 kg · m/s E. 8.7 × 10−23 kg · m/s D Consider the following: 1. a photoelectric process in which some emitted electrons have kinetic energy greater than hf, where f is the frequency of the incident light. 2. a photoelectric process in which all emitted electrons have energy less than hf. PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 70 D. widens for slow electrons and narrows for fast electrons E. narrows for slow electrons and widens for fast electrons D free electron and a free proton have the same kinetic energy. This means that, compared to the matter wave associated with the proton, the matter wave associated with the electron has: A. a shorter wavelength and a greater frequency B. a longer wavelength and a greater frequency C. a shorter wavelength and the same frequency D. a longer wavelength and the same frequency E. a shorter wavelength and a smaller frequency D A free electron and a free proton have the same momentum. This means that, compared to the matter wave associated with the proton, the matter wave associated with the electron: A. has a shorter wavelength and a greater frequency B. has a longer wavelength and a greater frequency C. has the same wavelength and the same frequency D. has the same wavelength and a greater frequency E. has the same wavelength and a smaller frequency E A free electron and a free proton have the same speed. This means that, compared to the matter wave associated with the proton, the matter wave associated with the electron: A. has a shorter wavelength and a greater frequency B. has a longer wavelength and a greater frequency C. has the same wavelength and the same frequency D. has the same wavelength and a greater frequency E. has a longer wavelength and a smaller frequency B Consider the following three particles: 1. a free electron with speed v0 2. a free proton with speed v0 3. a free proton with speed 2v0 Rank them according to the wavelengths of their matter waves, least to greatest. A. 1, 2, 3 B. 3, 2, 1 C. 2, 3, 1 D. 1, 3, 2 E. 1, then 2 and 3 tied B Consider the following three particles: 1. a free electron with kinetic energy K0 2. a free proton with kinetic energy K0 3. a free proton with kinetic energy 2K0 Rank them according to the wavelengths of their matter waves, least to greatest. PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 71 A. 1, 2, 3 PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 72 B. 3, 2, 1 C. 2, 3, 1 D. 1, 3, 2 E. 1, then 2 and 3 tied B A free electron has a momentum of 5.0 × 10−24 kg · m/s. The wavelength of its wave function is: A. 1.3 × 10−8 m B. 1.3 × 10−10 m C. 2.1 × 10−11 m D. 2.1 × 10−13 m E. none of these D The frequency and wavelength of the matter wave associated with a 10-eV free electron are: A. 1.5 × 1034 Hz, 3.9 × 10−10 m B. 1.5 × 1034 Hz, 1.3 × 10−34 m C. 2.4 × 1015 Hz, 1.2 × 10−9 m D. 2.4 × 1015 Hz, 3.9 × 10−10 m E. 4.8 × 1015 Hz, 1.9 × 10−10 m E If the kinetic energy of a non-relativistic free electron doubles, the frequency of its wave function changes by the factor: A. 1/√2 B. 1/2 C. 1/4 D. √2 E. 2 E A non-relativistic free electron has kinetic energy K. If its wavelength doubles, its kinetic energy is: A. 4K B. 2K C. still K D. K/2 E. K/4 E The probability that a particle is in a given small region of space is proportional to: A. its energy B. its momentum C. the frequency of its wave function D. the wavelength of its wave function E. the square of the magnitude of its wave function PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 75 C. 0.50 D. 0.20 E. 0 B An electron with energy E is incident upon a potential energy barrier of height Epot > E and thickness L. The transmission coefficient T: A. is zero B. decreases exponentially with L C. is proportional to 1/L D. is proportional to 1/L2 E. is non-zero and independent of L E In order to tunnel through a potential barrier a particle must: A. have energy greater than the barrier height B. have spin C. be massive D. have a wavelength longer than the barrier width E. none of the above C An electron with energy E is incident on a potential energy barrier of height Epot and thickness L. The probability of tunneling increases if: A. E decreases without any other changes B. Epot increases without any other changes C. L decreases without any other changes D. E and Epot increase by the same amount E. E and Epot decrease by the same amount A Identical particles, each with energy E, are incident on the following four potential energy barriers: 1. barrier height = 5E, barrier width = 2L 2. barrier height = 10E, barrier width = L 3. barrier height = 17E, barrier width = L/2 4. barrier height = 26E, barrier width = L/3 Rank the barriers in terms of the probability that the particles tunnel through them, from least probability to greatest probability. A. 1, 2, 3, 4 B. 4, 3, 2, 1 C. 1 and 2 tied, then 3, then 4 D. 2, then 1 and 3 tied, then 4 E. 3, 2, 1, 4 B If a wave function ψ for a particle moving along the x axis is normalized, then: A. ∫|ψ|2 dt = 1 PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 76 B.∫|ψ|2 dx = 1 PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 77 C. ∂ψ/∂x = 1 D. ∂ψ/∂t = 1 E. |ψ|2 = 1 E The energy of a particle in a one-dimensional trap with zero potential energy in the interior and infinite potential energy at the walls is proportional to (n = quantum number): A. n B. 1/n C. 1/n2 D. √n E. n2 A The ground state energy of an electron in a one-dimensional trap with zero potential energy in the interior and infinite potential energy at the walls is 2.0 eV. If the width of the well is doubled, the ground state energy will be: A. 0.5 eV B. 1.0 eV C. 2.0 eV D. 4.0 eV E. 8.0 eV D An electron is in a one-dimensional trap with zero potential energy in the interior and infinite potential energy at the walls. The ratio E3/E1 of the energy for n = 3 to that for n = 1 is: A. 1/3 B. 1/9 C. 3/1 D. 9/1 E. 1/1 C A particle is trapped in a one-dimensional well with infinite potential energy at the walls. Three possible pairs of energy levels are 1. n = 3 and n = 1 2. n = 3 and n = 2 3. n = 4 and n = 3 Order these pairs according to the difference in energy, least to greatest. A. 1, 2, 3 B. 3, 2, 1 C. 2, 3, 1 D. 1, 3, 2 E. 3, 1, 2 D Identical particles are trapped in one-dimensional wells with infinite potential energy at the walls. The widths L of the traps and the quantum numbers n of the particles are PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 80 A. none PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 81 B. 7 C. 13 D. 14 E. 15 B A particle is confined to a one-dimensional trap by infinite potential energy walls. Of the following states, designed by the quantum number n, for which one is the probability density greatest near the center of the well? A. n = 2 B. n = 3 C. n = 4 D. n = 5 E. n = 6 B Two one-dimensional traps have infinite potential energy at their walls Trap A has width L and trap B has width 2L. For which value of the quantum number n does a particle in trap B have the same energy as a particle in the ground state of trap A? A. n = 1 B. n = 2 C. n = 3 D. n = 4 E. n = 5 C A particle is confined by finite potential energy walls to a one-dimensional trap from x = 0 to x = L. Its wave function in the region x > L has the form: A. ψ(x) = Asin(kx) B. ψ(x) = Aekx C. ψ(x) = Ae−kx D. ψ(x) = Aeikx E. ψ(x) = 0 D An electron is in a one-dimensional well with finite potential energy barriers at the walls. The matter wave: A. is zero at the barriers B. is zero everywhere within each barrier C. is zero in the well D. extends into the barriers E. is discontinuous at the barriers C A particle is trapped in a finite potential energy well that is deep enough so that the electron can be in the state with n = 4. For this state how many nodes does the probability density have? A. none PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 82 B. 1 PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 85 D Take the potential energy of a hydrogen atom to be zero for infinite separation of the electron and proton. Then the ground state energy of a hydrogen atom is −13.6 eV. When the electron is in the first excited state its excitation energy is: A. 0 B. 3.4 eV C. 6.8 eV D. 10.2 eV E. 13.6 eV B Take the potential energy of a hydrogen atom to be zero for infinite separation of the electron and proton. Then the ground state energy is −13.6 eV. When the electron is in the first excited state the ionization energy is: A. 0 B. 3.4 eV C. 6.8 eV D. 10.2 eV E. 13.6 eV D When a hydrogen atom makes the transition from the second excited state to the ground state (at −13.6 eV) the energy of the photon emitted is: A. 0 B. 1.5 eV C. 9.1 eV D. 12.1 eV E. 13.6 eV E The series limit for the Balmer series represents a transition m → n, where (m, n) is A. (2, 1) B. (3, 2) C. (∞, 0) D. (∞, 1) E. (∞, 2) C The Balmer series of hydrogen is important because it: A. is the only one for which the quantum theory can be used B. is the only series that occurs for hydrogen C. is in the visible region D. involves the lowest possible quantum number n E. involves the highest possible quantum number n D The principle of complementarity is due to: A. Einstein PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 86 B. Maxwell PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 87 C. Newton D. Bohr E. Schrodinger Which of the following sets of quantum numbers is possible for an electron in a hydrogen atom? A. n = 4, l = 3, ml = −3 B. n = 4, l = 4, ml = −2 C. n = 5, l = −1, ml = 2 D. n = 3, l = 1, ml = −2 E. n = 2, l = 3, ml = −2 B The wave function for an electron in a state with zero angular momentum: A. is zero everywhere B. is spherically symmetric C. depends on the angle from the z axis D. depends on the angle from the x axis E. is spherically symmetric for some shells and depends on the angle from the z axis for others D Consider the following: 1. the probability density for an l = 0 state 2. the probability density for a state with l =/= 0 3. the average of the probability densities for all states in an l =/= 0 subshell Of these which are spherically symmetric? A. only 1 B. only 2 C. only 1 and 2 D. only 1 and 3 E. 1, 2, and 3 C If the wave function ψ is spherically symmetric then the radial probability density is given by: A. 4πr2ψ B. |ψ|2 C. 4πr2|ψ|2 D. 4π|ψ|2 E. 4πr|ψ|2 A If P(r) is the radial probability density then the probability that the separation of the electron and proton is between r and r + dr is: A. P dr B. |P|2 dr C. 4πr2P dr D. 4πr2|P| dr E. 4π|P|2 dr PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 90 D. 4 E. 7 E The number of possible values of the magnetic quantum number m associated with a given value of the orbital quantum number l is: A. 1 B. 2 C. l D. 2l E. 2l+ 1 E An atom is in a state with orbital quantum number = 2. Possible values of the magnetic quantum number m are: A. 1, 2 B. 0, 1, 2 C. 0, 1 D. −1, 0, 1 E. −2, −1, 0, 1, 2 D An electron is in a quantum state for which the magnitude of the orbital angular momentum is 6√2h-bar. How many allowed values of the z component of the angular momentum are there? A. 4 B. 5 C. 7 D. 8 E. 9 D An electron is in a quantum state for which there are seven allowed values of the z component of the angular momentum. The magnitude of the angular momentum is: A. √3¯h B. √7¯h C. √9¯h D. √12¯h E. √14¯h E The number of states in a subshell with orbital quantum number = 3 is: A. 2 B. 3 C. 7 D. 9 E. 14 D PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 91 The number of states in a shell with principal quantum number n = 3 is: PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 92 A. 3 B. 9 C. 15 D. 18 E. 25 D An electron in an atom is in a state with principal quantum number n = 4. The possible values of the orbital quantum number l are: A. 1, 2, 3 B. 1, 2, 3, 4 C. −3, −2, −1, 0, 1, 2, 3 D. 0, 1, 2, 3 E. 0, 1, 2 B Space quantization means that: A. space is quantized B. Lz can have only certain discrete values C. L (vector) and (vector) μ are in the same direction E. an electron has a magnetic dipole moment E An electron in an atom is in a state with = 3 and m = 2. The angle between L and the z axis is: A. 48.2◦ B. 60◦ C. 30◦ D. 35.3◦ E. 54.7◦ C An electron in an atom is in a state with l= 5. The minimum angle between (vector) L and the z axis is: A. 0◦ B. 18.0◦ C. 24.1◦ D. 36.7◦ E. 33.6 A In the relation μz = −mlμB, the quantity μB is: A. the Bohr magneton B. the component of the dipole moment along the magnetic field C. the permeability of the material D. a friction coefficient E. none of the above PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 95 11.) They connect roots and leaves and serve as passageway and storage for food minerals and water from the soil. Answer: Stem 12.) The process by which plants produce food using carbon dioxide and water, sunlight and chlorophyll. Answer: Photosynthesis 13.) Process by which plants reproduce asexually by using their parts such as roots, stems and leaves Answer: Vegetation reproduction 14.) The smallest part of a living thing which performs all the processes a living organisms does. Answer: Cell 15.) A group of tissues working together to perform a complex task. Answer: Organ 16.) Male and female reproductive part of a flower. Answer: Stamen and pistil 17.) In the human body, the cell that most nearly resembles a one-celled animal. Answer: White blood cell 18.) The main energy source of a plant-eating animal. Answer: Cellulose 19.) These are cellular secretions which help regulate the breakdown and building up of various substances in the body. Answer: Hormones 20.) It is the energy source of the cell which it uses for growing, reproducing and other activities. Answer: Adenosine Triphosphate(ATP) 21.) It is a segment of DNA molecule which controls the appearance of a given trait. Answer: Genes 22.) Group of similar cells performing similar functions together. Answer: Tissue 23.) The diffusion of water through a semi-permeable membrane. Answer: Osmosis 24.) It shows the complex food relationships of organism in a given area and the cyclic flow of food through organisms. Answer: Food Web 25.) Which of the following does NOT occur to both respiration and fermentation? Answer: Alcohol ism formed 26.) The genetic information in a DNA is coded in the ? Answer: Sequence of Nucleotides PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 96 27.) What will cause the process of respiration to stop? Answer: Absence of oxygen 28.) What relationships exist between a bangus and tilapia in the fishpond? Answer: Competition 29.) Taxonomy is the study of the classification of organism based on their? Answer: Evolutionary History 30.) A specie is said to be when its number is so few that it will most likely disappear altogether unless given proper protection. Answer: Endangered 31.) Some bacteria are classified as saprophytes because they organism which? Answer: Feed on dead organic matter 32.) In humans, food is moved down the esophagus into the stomach by means of? Answer: Peristalsis 33.) The Structure outside the nucleus in animal cells that is involved in mitosis. Answer: Ribosome 34.) Coordination and integration of the body activities of man are under the direct control of the ? Answer: Nervous and endocrine system 35.) Genetic engineering has been utilized for the production of ? Answer: Human growth hormones Father of Biology : Aristole Father of Modern Biology: Linnaeus Father of Antibiotics : Alexander Fleming Father of Taxonomy : Carolus Linnaeus Father of Immunology : Edward Jenner Father of Microbiology : Anton van Leenuwenhoek Father of Modern Microbiology : Louis Pasteur Father of Medical Microbiology : Robert Koch Father of Pathology : Rudolph Virchow Father of Bacteriology : Robert Koch Father of Virology : W.M.Stanley Father of Embryology : Aristotle Father of Modern Embryology : Ernst Von Baer Father of Physiology : Stephan Hales Father of Modern experimental physiology : Calude Bernard Father of Genetics : Rev. Gregor Mendel Father of Modern Genetics : Bateson Father of Human Genetics/ Biochemical genetics : Arachibald Garrod Father of Experimental Genetics : T.H. Morgan PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023 97 Father of Haploid Genetics / Neurospora Genetics : Dodge