Saturday, November 11, 2017

ALS A&E Sample Test/Reviewer - Science - 3

I do hope that this reviewer will help you in your ALS A&E Exam:


Science Reviewer

1. PLATELETS = tiny colorless living particles that help in the formation of BLODD CLOTS.
2. VEINS = the tubes that bring un-oxygenated blood back TO the HEART.
3. CEREBRUM = the LARGEST part of the BRAIN.
4. CEREBRAL PALSY = GENERAL term for NON-PROGRESSIVE MOTOR DISORDER.
5. CEREBELLUM = “LITTLE BRAIN”
6. ANEMIA = the disease that occurs when there is A DECREASE in the number of RED BLOOD cells.
7. ARTERIES = the tubes that carry blood AWAY from the HEART.
8. EMBRYOLOGIST = the SCIENTIST who study the REPRODUCTION and DEVELOPMENT of organisms.
9. VAGINA = the BIRTH CANAL.
10. CERVIX = the LOWER end of the UTERUS.
11. PUBERTY = the STAGE between being a KID and becoming an ADULT.
12. 28 DAYS = the menstrual cycle lasts
13. PENIS = EXTERNAL MALE reproductive ORGAN
14. SCROTUM = A POUCH where the TESTES are located
15. OVARIES = the REPRODUCTIVE ORGAN in FEMALE
16. FERTIZATION = the UNION of an EGG and SPERM
17. MENARCHE = the FIRST MENSTRUATION
18. DIAPHRAGM = CONTRACTS and MOVES DOWM when you INHALE
19. BLADDER = the place where URINE is TEMPORARILY HELD
20. NEPHRONS = FILTERING UNITS of the KIDNEY
21. ECOLOGY = Scientific study of the INTREACTIONS between ORGANISMS and their ENVIRONMENTS
22. MIGRATION = the MOVING IN and OUT in the COMMUNITY
23. MUTUALISM = the RELATIONSHIP wherein BOTH organisms BENEFIT from EACH OTHER.

24. They live in BOTH land and water.
          a. reptiles                b. amphibians                  c. mammals            d. birds

25. Lizards, snakes, turtles and alligators are_____?
          a. reptiles                b. amphibians                   c. mammals            d. birds

26. Cow, blue whale, bat and man are_____?
          a. reptiles                b. amphibians                   c. mammals            d. birds

27. It is the green pigment present in the green leaves.
          a. chlorophyll           b. carotene          c. leucoplast            d. xanthoplast

28. They are also called producers.
                a. heterotrophs       b. saprophytes        c. autotrophs           d. none of the above

      29. Which part of the mansanilya plant is best for medicine?
                a. leaves                 b. flowers                          c. stems                 d. roots

30. Which of these medicinal plants is used for cough?
          a. guava                 b. kaimito                          c. oregano              d. santol

31. The change that occurs in a substance but remain the same kind of substance.
          a. chemical change b. physical change   c. chemical property d. physical property

32. A change from solid to liquid phase is referred to as _____?
          a. boiling                 b. melting                          c. freezing               d. heating

33. A bar of chocolate placed under the sun will turn to ____?
          a. solid chocolate    b. melting chocolate          c. frozen chocolate  d. liquid chocolate

34. What process is involved in the formation of water drops at the side of a glass with ice cubes?
          a. freezing              b. evaporation                c. condensation       d. heating

35. The unit to express current is ?
          a. volts                   b. watt                             c. ampere               d. kilowatt

36. Atomic particles that carry a negative electric charge are called?
          a. neutrons             b. positrons                       c. electrons             d. protons

37. Between which particles would an electric force of attraction occur?
          a. proton-proton      b. electron-electron           c. neutron-neutron   d. proton-electron

38. The three methods by which an object can be electrically charged are conduction, induction     and _______.
          a. friction            b. resistance    c. direct current       d. alternating current

39. The opposite charges exert a force of ______.
          a. repulsion             b. attraction             c. friction      d. electricity

40. Which of these is not a load?
          a. electric fan                    b. battery        c. light bulb             d. aircon

41. It makes work easier and faster.
          a. machine              b. man              c. worker                d. inclined plane

42. It is a double inclined plane.
          a. wedge                 b. pulley            c. screw                  d. wheel and axle

43. It is a flat surface which one end is elevated.
          a. seesaw               b. pulley              c. wedge                 d. inclined plane

44. It is a rotating lever in which two wheel are mounted on the axle.
          a. wedge                 b. pulley             c. inclined plane      d. wheel and axle

45. It brings up object as one ends is pulled.
          a. wedge                 b. pulley             c. screw                  d. wheel and axle

46. The scientist who studies the earth’s surfaces and the rocks that form them.
          a. Biologist              b. Geologist      c. Meteorologist      d. Gemologist

47. The no charge particle.
          a. positron              b. electron                        c. neutron               d. proton

48. The animals that are solely depend on plants for food.
          a. carnivores           b. omnivores          c. herbivores           d. vegetarians

49. Which of the following is a metal?
          a. Chlorine              b. Nitrogen             c. Xenon                 d. Calcium

50. The energy associated with motion or moving parts.
          a. electric energy     b. mechanical energy c. sound energy  d. light energy

51. The device used to measure speed
          a. accelerator          b. speedometer                 c. barometer           d. radar

52. The center of the solar system
          a. earth                   b. sun                               c. moon                  d. star

53. The outer layer of the earth
          a. crust                   b. core                      c. mantle                d. lithosphere

54. The material that cannot absorb heat
          a. metal                  b. copper                    c. conductor            d. insulator

55. A point in the fault where the first break happens
          a. focus                  b. epicenter               c. surface               d. seismic wave

56. The force that hinders an object from moving
          a. friction                b. gravity                  c. motion            d. acceleration

57. The violent shaking or trembling of the ground
          a. earthquake          b. typhoon                  c. hurricane             d. cyclone

58. One (1) Joule is equal to ____?
          a. meter/sec2                b. Newton-meter    c. Newton/sec2            d. kilometer

59. What is work done if a force of 10 Newton is used to lift a rock 5 meters high?
          a. 2 Newton-meter  b. 5 Newton-meter   c. 50 Newton-meter d. 15 Newton-meter

Work = Force times distance
W = F x d
W = 10  Newton x 5 meters
W = 50 Newton-meter

60. The unit of force
          a. Newton               b. kilogram                    c. Joule                   d. erg

61. The universal blood recipient
          a. O                        b. A                                  c. B                        d. AB

62. The universal blood donor
          a. O                        b. A                                  c. B                        d. AB

63. It is the statistical study of population
          a. Statistics     b. Demography    c. Anthropology       c. Population contro
l
64. This is used for killing insects but it can be harmful and can cause disease to people if inhaled.
          a. Pesticide             b. Insecticide             c. Parricide             d. Fungicide

65. The oldest and simplest method of preserving food using the heat of the sun.
          A. canning              b. drying             c. smoking              d. fermentation

66. It has definite shape and volume.
          a. solid                    b. gas                   c. liquid                   d. plasma

67. It is the amount of space occupied by the substance.
          a. volume                b. mass                 c. air                       d, cubic meter

68. What is the formula of Kinetic Energy?
          a. KE = 2mv2          b. KE = 1/2m2v     c. KE = 1/2mv         d. KE = 1/2mv2

69. A 45kg box was moved at a distance such that the velocity is 5m/s forward direction. What is the Kinetic Energy of the box?
          a. 562.5 kg m2/s      b. 2250 kg m2/s c. 112.5 kg m/s     d. 5062.5 kg2 m/s

KE = 1/2mv2                 KE = 1/2 x 45 x (5)2                KE = 1/2 x 45 x 25
KE = 1125/2            KE = 562.5 kg m2/s2

70. What is the formula for Potential Energy?
          a. PE = mvg            b. PE = gdm             c. PE = mgh            d. PE = mg

71. Lyndon is standing on the board one meter above the ground and he weighs 35 kg. What is Lyndon’s Potential Energy?
          a. 36 N/M               b. 343 N/M                c. 35 N/M                d. 35 N/M

PE = mgh , where m = mass; g = acceleration due to gravity; and h = height
Since m = 35 kg ; h = 1 m; and g = 9.80665 m/s2  (constant at earth’s surface)
PE = 35 x 1 x 9.80665 = 343 N/M

72. Which is called “stored energy”?
          a. kinetic                 b. potential             c. gravitational         d. electrical

73. Energy is the ability to do ____?
          a. work                   b. motion                          c. acceleration         d. power

74. The unit in which energy is measured is the ________.
          a. Newton               b. watt                          c. electron               d. joule

75. It is the force of attraction that exists between all objects in the universe.
          a. friction                b. inertia                   c. momentum          d. gravity

76. If the motor boat travels 20km down a river within 4 hours, what is the boat’s velocity?
          a. 16 km/h              b. 15 km/h                        c. 5 km/h                d. 1 km/h

Velocity = distance / time plus direction
V = 20/4 = 5 km/h downward

77. Matter is anything that occupies space and has ______.
          a. weight                 b. mass                            c. speed                 d. motion

78. The equivalent of erg in joule is____?
          a. 107                        b. 10-7                               c. 7-10                                d. 710

79. The erg is also a unit of energy or work expressed in _______?
          a. kg m2/sec2          b. g cm2/s                    c. Newton-meter     d. joule

80. In the equation formulated by Albert Einstein,  E = mc2 , what represents c?
          a. energy of light  b. speed of light  c. velocity of light     d. luminosity of light


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