Portage Microbiology Final Exam Latest Updated 2023, Exams of Nursing

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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/s B. 10m/s C. 2.5m/s D. 0.25m/s
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

C. Have they same acceleration when they reach the ground D. Reach the ground at the same time

8. In a pair of scissors, the fulcrum is located at the. A. Handle B. Screw C. Tip of the blades D. Sharp edges
9. What kind of energy is possessed by water falling from a dam? A. Potential B. Kinetic C. Accelerating D. Interacting
   10. If an object were equipped with a speedometer and allowed to fall freely on a planet where the acceleration due to gravity is 20m/s2, by, how much will the reading on the speedometer increase each second? A. 30m/s B. 20m/s C. 40m/s D. 10m/s
10. According to the kinetic molecular theory, liquids are similar in solids in that. A. Their molecules are arrange in a regular manner B. The motion of their particles changes with temperature C. The motion of their particles cannot be determined D. There is very little space in their molecules
11. When the solid block of materials is cut in half, its density is. A. Unchanged B. Halves C. Doubled D. Tripled
    13. A ball is launched at an angle of 60 degrees from the horizontal. What do you call the horizontal distance traveled by the ball? A. Trajectory B. Projectile C. Range D. Hyperbola
12. Which of the following is TRUE about an object thrown horizontally? A. The vertical distance traveled increases uniformly B. The horizontal motion is uniformly accelerated C. The horizontal component of velocity increases D. The velocity of the subject increases
    15. In the absence of the air resistance, a projectile has a maximum range when thrown at an angle of. A. 90 degrees B. 60 degrees

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
21. B
22. D
23. D
24. A
25. C
26. B
27. C
28. B
29. B
30. B

11. B

12. A

13. C

14. D

15. D

16. A

17. C

18. B

19. D

20. B

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

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

c. Vitamin C d. Iron

17. The two chemical factors that can cause decomposition are: a. death and cellular respiration b. autolysis and photosynthesis c. autolysis and putrefaction d. putrefaction and respiration
18. How will genetic drift affect the population of rabbits that are living in a stable habitat with no changes in the environment? a. It will increase the population of the rabbits. b. It will decrease the genetic variation of the rabbits c. It will develop the dominance and superior traits of the rabbits. d. It will enhance the appearance of new traits of the rabbits.
19. Which of the following is under the grass family? a. Bamboo b. Fern c. Moss d. Mushroom
20. The appendix, though a part of the large intestine, has no digestive function. It is therefore called: a. a heterogeneous organ b. a vestigal structure c. an addendum organ d. an analogous structure
21. Which of the following is the by-product of photosynthesis? a. Oxygen b. Nitrogen c. Carbon dioxide d. Carbohydrates
22. The protein shell of a virus is called. a. Nucleolus b. Capsid c. Nucleus d. Nucleic acid
23. What theory of evolution accounts for snake‟s disappearance of legs and development of giraffe‟s long neck? a. Theory of use and disuse b. Theory of natural selection c. Theory of chromosomal change d. Theory of action and interaction
24. is an aquatic blood-sucking annelid worm that can be used to facilitate

anticoagulation:

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?

a. Community

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

40. Which is the smallest unit of life that can survive and reproduce on its own? a. Cell b. Organ c. Tissues d. Population
41. Which region of a vertebrate forebrain is considered with the neutral-endocrine control of visceral activities? a. Cerebellum b. Thalamus c. Hypothalamus d. Pituitary
42. Which of the following is the building block of carbohydrates? a. Amino acid b. Nucleotide c. Fatty acid d. Monosaccharide
43. Why it is necessary men have more red blood cells per cubic millimeter of blood than women? a. Man does strenuous activities and need more energy b. They have bigger physique and need more blood c. Man waste more blood cells and need extra d. They are more prone to anemia disorders
44. Which of the following is the building block of protein? a. Amino acid b. Nucleotide c. Fatty acid d. Monosaccharide
45. Why are our lips “redder” than our palm? a. There is increased blood flow in the lips b. Lips are heavily keratinized c. Lip epidermis is thinner d. Many blood vessels are located around the lips
46. What is the branch of zoology that is devoted to the study of fish? a. Helminthology b. Ichthyology c. Entomology d. Ornithology
47. We feel warmer just before it rains because. a. Heat is released by the evaporation of water b. The clouds prevent heat from escaping the earth c. There is an increased relative humidity d. Heat is released by the condensation of water vapor

48. Which of the following is not considered as a reproductive cell? a. Gamete b. Somatic cell c. Egg cell d. Sperm cell
49. What is that flap-like structure that prevents the food from going the wrong way during swallowing? a. Epiglottis b. Larynx c. Esophagus d. Pharynx
50. Where does ectopic pregnancy occur? a. Uterus b. Ovary c. Cervix d. Fallopian tube ANSWERS:

1. A
2. A
3. A
4. B
5. B
6. B
7. A
8. B
9. C
10. C
11. A
12. B
13. B
    14. C - Amphibians and reptiles are examples of cold-blooded animals. The body temperature of cold-blooded animals changes with the temperature of the environment.
    15. B - The spiders is one of the organisms that belongs to class Arachnida. Arachnids have four pairs of legs while insects have only three pairs of legs.
14. A
15. C
16. C
17. A - Bamboo is considered as the largest grass.
18. B
19. A
20. B
21. A
22. B

25. A - Non-pathogens are microorganisms that do not cause diseases. Lactobacilli, which are

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
51. cirque
    2. lithification 3.diastrophism
52. How many Galilean moons-- 4
53. General theory of relativity
54. Special theory of relativity
    7. plasma 8.Speed
55. energy
56. amount of space in any direction--- volume
57. When does nuclear fusion of H and He occur?
58. liquid
59. What is the molar mass of Maltose?
60. What is the molar mass of Nicotine?
61. Educated guess--- hyphothesis
62. What is the atomic number of Tungsten (W) --- 74

17. Continental slope

18. What is the measurement slightly shorter than meter?
    19. Why is Pluto excluded as a planet? --- It no longer orbits the sun. 20.Carboniferous era
19. Mesozoic era--- dinosaurs
20. Largest division of time--- Eons
21. Silurian era
22. Entropy
23. Diverging --- rift valleys
24. The circulation of air to heat room is an example of? ---- Convection
25. E=hf
    28. F=q1 q2/ r^
26. Greenhouse gases
27. Ecological succession
28. Hydrobromic acid
29. Sodium acetate
30. Carbon dioxide
31. Arthropoda
32. 42,000 million from Earth
33. No moon -- Venus
34. What is the dwarf planet with no moon --- Ceres
35. Age of Earth --- 4.6 billion years
36. Hydrologic Acid
37. Ammonia --- NH
38. Amide 42 Large impact on moons--- craters
39. Mudflow
40. What precedes the formation of star?
41. Big bang
42. Spring tide--- full moon and new moon
43. Organic sedimentary rock ----coal
44. Petrified wood --- Carbonized
45. Which is not a metamorphic rock? --- Granite
46. Element X 1s2 2s2 2p5 -- Halogen
47. Combination of two vectors --- resultant
48. Atomic radius --- K
49. Alkaline Earth Metal---- Ca
50. Standard temperature-- Kelvin (K)
51. Magnetic field --- Tesla
52. What explains the attraction or repulsion of charges?
53. Solubility of gas in a liquid
54. Destructive interference
55. Slit width is small and wavelength is large --- diffraction
56. Which is independent? -- Amplitude
57. Hydration to anhydrous --- Hydrogen
58. Magnesium Fluoride --- Ionic

63. Which is not a characteristic of base? --- Conduct electricity

64. Speed of light in a diamond
    65. When resistors are conducted in parallel?--- The current flowing through each resistor is the same.
65. Electromagnetic waves--- polarization
66. Convex, Spherical mirror---virtual;erect
67. Kepler's Law-- T^2=KR
68. Ethyl--CH
69. Latitude---measured from North to south
70. More massive--- object on Earth
71. What do you call the upward force?? (lift, rise,or updraft)
72. Generator--- mechanical to electrical energy 75 What force keep stars from flying off? --- Gravitational
73. magma
74. Solubility of gases is directly proportional to pressure
75. A scientific law can be expressed as a. written concept, an equation and graph
76. 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
77. 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
78. What is the proof of a wine cooler that is 5 percent alcohol by volume b. 2.5 proof
79. Which of the following is NOT essential to the Bergeron Process? a. Silver iodine
80. 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
81. The magnitude of displacement is always

a. less than or equal to the distance traveled

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
92. Which of the following are agents that cause erosion? c. wind and glacier
93. Absolute geologic time is based upo d. radiometric dating
94. The building of mountains is best explained by the b. theory of plate tectonics
95. 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
96. Which of the following is not a unit of distance measurement to a celestial object? d. astronomical unit
97. During period of increased global temperatures, which of the following is most likely to occur? b. An increase in atmospheric CO2
98. 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
99. These are living things that use sunlight, chlorophyll, water and carbon dioxide to produce food. a. Autotrophs c. Heterotrophs b. Consumers d. Food chain
100. 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
101. 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

4. They are the transmitters of message from the different parts of the body to the brain and vice

versa. a. spinal cord c. brain b. neurons or nerve cells d. arteries

5. Which part of the brain controls the following activities: breathing, blood pressure, heart rate, alertness? a. brainstem c. cerebrum b. hypothalamus d. spinal cord
6. Refers to a sequence of organism in a community that constitutes a feeding chain. a. photosynthesis c. consumers b. ecosystem d. food chain
7. Is a group of interacting plants, animals and human in a particular area? a. ecological community c. living organism b. environment d. food chain
8. Excessive presence of carbon dioxide in the air, trapping heat near the earth‟s surface causing a rise in temperature in the environment. a. El Nino c. Deforestation b. “Greenhouse Effect” d. Weather disturbance
9. The Earth‟s shield against sun‟s harmful radiation. a. Atmosphere c. Ozone layer b. Air d. Forest
10. The use of product containing is discouraged because they contribute to the depletion of. a. Chlorofluorocarbon-solar radiation b. Gas-ozone layer c. Ozone layer air d. Chlorofluorocarbon-ozone layer
11. What causes high and low tides? a. Earth‟s rotation on its axis b. Moon‟s gravitational pull c. Sun‟s solar energy d. Earth‟s gravitational pull
12. How is coral a tool formed? a. Volcanic eruption b. Corals growing around a volcanic island c. Underwater bedrock formations d. Earthquake
13. What is a long shore drift? a. Movement of sand and shingles along the coast b. Sand bars c. Accumulation of sad at the river mouth d. Island formed by volcanic eruptions
14. How does an occlusion form? a. Cold air moving up from the ground b. Cold front pushing warm air up of the ground c. Unbalance electrical reaction in the air

d. Cold and warm air mixing in the atmosphere

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
19. The weathering away of rocks by water, wind and ice. a. Denudation c. Volcanic rock b. Erosion d. Metamorphic rock
20. How do hormones work? a. By releasing adrenaline b. By controlling cell chemistry c. By regulating water loss d. By controlling blood pressure
21. Name the male and female sex hormones a. Sperm cell & Ovum c. Chromosomes b. Testosterone d. Red & white blood cells
22. The unit of measurement of energy in a given an mount of food a. Pound c. Olfactory system b. Kilo d. calorie
23. Nitrogen compounds known as the building blocks of proteins
24. The growth of roots towards water is an example of? a. Chemotropism c. Hydrotropism b. Geotropism d. Phototropism
25. DNA means a. Data nurturing analysis c. Deoxyribonucleic acid b. Deoxytribonucleic acid d. Deotrixyl nucleic acid
26. 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