JSS Two Basic Science OBJ Question

JSS Two Basic Science Objective Examination Questions

1. The following substances are matter EXCEPT      
A. Air      
B. book      
C. nothing      
D. stone      

                 

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2. Which of the following groups are states of matter?      
A. gaseous and liquid only      
B. gaseous and solid only      
C. gaseous, liquid and solid      
D. gas only      

                 

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3. Growth is limited only in……………….      
A. mango      
B. cashew trees      
C. animals      
D. cocoa trees      

                 

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4. Which of the following organs enable fish to swim?      
A. fins and tail      
B. gill      
C. eye      
D. belly      

                 

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5. The ability to do work is………………..      
A. heat      
B. work done      
C. energy      
D. light      

                 

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6. Which of the following is not a natural source of energy?      
A. the sun      
B. wood      
C. stove      
D. wind      

                 

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7. Which of the following substances is not a form of energy?      
A. heat      
B. sound      
C. sun      
D. light      

                 

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8. The energy reaching us from the sun is in the form of light and…………………….      
A. ray      
B. heat      
C. darkness      
D. light      

                 

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9. When a body is in motion, which energy is converted to kinetic energy?      
A. potential      
B. light      
C. kinetic      
D. chemical      

                 

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10. These are man-made sources of energy EXCEPT      
A. car batteries      
B. generators      
C. sun      
D. rechargeable lamps      

                 

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11. An electric pressing iron converts electrical energy to ……………………  energy?      
A. mechanical      
B. potential      
C. heat      
D. sound      

                 

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12. Striking a match, chemical energy is converted to…………….      
A. light and heat      
B. electrical and heat      
C. light and chemical      
D. electrical and light      

                 

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13. Which of the following is not a method of drug abuse use?      
A. inhaling      
B. smoking      
C. drinking      
D. vomiting      

                 

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14. The kind of place where plants and animals live is called…………………..      
A. ecosystem      
B. habitat      
C. aquatic area      
D. building      

                 

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15. ………………………is the number of a group of organisms of the same kind living in the same place.      
A. population      
B. habitat      
C. community      
D. population density      

                 

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16. ………………………is equal to the size of the population divided by the area of land        
A. community      
B. habitat      
C. population      
D. population density      

                 

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17. The following are abiotic factors in a pond EXCEPT      
A. temperature      
B. spirogyra      
C. amount of water      
D. dissolved salt      

                 

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18. Animals that feed only on other animals are called…………………..      
A. herbivores      
B. carnivores      
C. omnivores      
D. lions      

                 

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19. A group of different organisms living and interacting in the same place is……………….      
A. density      
B. habitat      
C. population      
D. ecosystem      

                 

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20. The instrument used to determine population density is called……………….      
A. quadrat      
B. net      
C. metre rule      
D. square      

                 

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21. Growth can be defined as………………….      
A. decrease in height      
B. increase in weight      
C. increase in size      
D. decrease in size      

                 

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22. Developmental changes in living things are temporary and…………………      
A. good      
B. bad      
C. beautiful      
D. permanent      

                 

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23. Which of the following groups are developmental stages in human beings?      
A. infancy and adulthood      
B. infancy, adolescence and adulthood      
C. infancy and adolescence      
D. infancy only      

                 

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24. Sunlight is used by …………………… to prepare food?      
A. plants      
B. animals      
C. insects      
D. wood      

                 

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25. The best infant’s milk is……………………..      
A. tin milk      
B. breast milk      
C. rice      
D. beans      

                 

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26. The primary source of Earth’s energy is………………………..      
A. plant      
B. sun      
C. dam      
D. wood      

                 

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27. Sewage is a waste material in …………form?      
A. gaseous      
B. dry      
C. solid      
D. liquid      

                 

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28. The best way of disposing of sewage is…………………….      
A. water closet      
B. bush      
C. river      
D. pit toilet      

                 

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29. The following diseases are water-borne EXCEPT      
A. cholera      
B. diarrhoea      
C. typhoid      
D. malaria      

                 

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30. Tse-tsefly is a vector of which of these diseases?      
A. night blindness      
B. river blindness      
C. sleeping sickness      
D. typhoid      

                 

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31. The bony framework which gives support or rigidity to vertebrate animals is called……..      
A. the skull      
B. the bone      
C. the skeleton      
D. the legs      

                 

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32. The flexible connective tissue found between one vertebra and the other is known as ………      
A. Tendons      
B. cartilage      
C. muscle      
D. articular facet      

                 

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33. The type of joint that allows gliding or sliding of bones over one another is called………….      
A. pivot joint      
B. ball and socket joint      
C. hinge joint      
D. gliding or sliding joints      

                 

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34. Ball and socket joints are found in ………..      
A. wrist and ankle      
B. elbow, fingers, toes and knees      
C. shoulder and hip      
D. hip and elbow      

                 

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35. Muscles are attached to the bones by ……….      
A. ligaments      
B. cartilages      
C. tendons      
D. contracting of muscles      

                 

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36. Which of these bones protects the brain?      
A. rib      
B. skull      
C. sternum      
D. pelvic girdle      

                 

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37. ……… serves as a lubricant in joints during movement?      
A. synovial fluid      
B. synovial capsule      
C. tendons      
D. ligament      

                 

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38. Which of the following is not involved in breathing?      
A. nose      
B. trachea      
C. bronchi      
D. liver      

                 

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39. During the process of respiration which of these gases is used to oxidize food to produce energy      
A. oxygen gas      
B. carbon(IV)oxide      
C. nitrogen      
D. water vapour      

                 

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40. The following problems are connected with breathing EXCEPT?      
A. asthma      
B. pneumonia      
C. scurvy      
D. pulmonary tuberculosis      

                 

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41. The main respiratory organ of human beings is the ………..      
A. lungs      
B. nose      
C. trachea      
D. mouth      

                 

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42. The mechanism of respiration involves inspiration and ……… of air.      
A. excretion      
B. inhaling      
C. expiration      
D. taking in      

                 

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43. Our rooms and houses must be well ventilated to avoid ……….      
A. smoke      
B. air      
C. suffocation      
D. headache      

                 

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44. The process by which dissolved and absorbed food materials are carried to all parts of the body is termed as ……….      
A. respiration      
B. circulation      
C. reproduction      
D. excretion      

                 

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45. Which of the following is not a constituent of blood?      
A. red blood cell      
B. white blood cell      
C. plasma      
D. vein      

                 

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46. These are materials which are transported by living organisms EXCEPT      
A. brain      
B. salt      
C. water      
D. oxygen      

                 

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47. The blood vessels and the heart make up the ………      
A. digestive system      
B. respiratory system      
C. circulatory system      
D. blood      

                 

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48. The liquid part of the blood is called………      
A. red blood cells      
B. the plasma      
C. platelets      
D. water      

                 

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49. The red blood cell contains………….which carries oxygen around the body of living organisms.      
A. cell      
B. haemoglobin      
C. water      
D. food      

                 

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50. Which part of the blood fight against diseases      
A. the red blood cell      
B. the white blood cell      
C. plasma      
D. blood platelets      

                 

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51. Which of these constituents of blood is manufactured in the bone marrow?      
A. plasma      
B. platelet      
C. antibody      
D. red blood cells      

                 

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52. Which of the following is not a blood group?      
A. group O      
B. group AO      
C. group A      
D. Group B      

                 

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53. Alimentary canal parts, through which food must pass before going out of the body include the following except      
A. the liver      
B. the gullet      
C. the stomach      
D. the anus      

                 

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54. The process of breaking down food materials into smaller particles which can be absorbed into the body is termed as……………..      
A. ingestion      
B. egestion      
C. Digestive system      
D. Digestion      

                 

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55. One of these enzymes contained in saliva is called…………..      
A. amylase      
B. ptyalin      
C. rennin      
D. trypsin      

                 

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56. Which of these groups Are the most important enzymes contained in pancreatic juice?      
A. maltose, Amylopsin and trypsin      
B. maltose, lipase and trypsin      
C. Erepsin, lipase and trypsin      
D. lipase, trypsin and amylopsin      

                 

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57. The process of passing out undigested and unabsorbed food material from the alimentary canal through the anus as a solid is called…………….      
A. circulation      
B. ingestion      
C. egestion      
D. digestion      

                 

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58. The kidney as an excretory organ removes……………… from the body.      
A. salt      
B. water      
C. urine      
D. sweat      

                 

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59. Lungs as an excretory organ excretes…………….      
A. urine      
B. sweat      
C. carbon(IV)oxide      
D. urea      

                 

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60. If a person’s urine contains much sugar, the person is likely to be suffering from      
A. headache      
B. diabetes      
C. malaria      
D. hypertension      

                 

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61. The study of charged particles at rest is called      
A. Electrostatics      
B. Electrodynamics      
C. Electrolysis      
D. Electrodes      

                 

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62. The process of leveling valleys and filling up hills is called      
A. Stumping      
B. Grading      
C. Paving      
D. Digging      

                 

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63. Electricity is transmitted at a frequency of      
A. 60 Hertz      
B. 88 Hertz      
C. 50 Hertz      
D. 108 Hertz      

                 

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64. The process of removal of the remaining tree stump as well as the root is known as      
A. Digging      
B. Cutting      
C. Pulling      
D. Stumping      

                 

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65. After generation, electricity is fed into a step-up transformer to raise the voltage to      
A. 11000v      
B. 240v      
C. 50v      
D. 330000v      

                 

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66. Electricity-generating stations are otherwise known as      
A. Substation      
B. Turbines      
C. Power plants      
D. Generators      

                 

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67. Long-distance transmission requires      
A. Low voltage and high current      
B. High voltage and low current      
C. Low voltage and low current      
D. High voltage and high current      

                 

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68. Which of the following is not a setting-out material?      
A. Hoe      
B. Pegs      
C. Plumb      
D. Hammer      

                 

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69. All the following are the requirements to be considered in sorting for high-voltage transmission cables except      
A. They should have high electrical resistivity      
B. They should be very strong      
C. They should have high electrical conductivity      
D. They should be non-corrosive      

                 

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70. The two types of electricity are      
A. Static and current electricity      
B. Static and charge electricity      
C. Current and series electricity      
D. Series and parallel electricity      

                 

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71. The output voltage of an alternating current is in .........      
A. Negative waveform      
B. Sine waveform      
C. Positive waveform      
D. Oscillating waveform      

                 

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72. C.R.O means      
A. Cation Ray Oscillator      
B. Cathode Ray Oscilloscope      
C. Current Ray Oscilloscope      
D. Cathode Ray Oscillation      

                 

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73. All the following are cooling appliances except      
A. Refrigerator      
B. Electric fan      
C. Gas cooker      
D. Air conditioner      

                 

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74. Electricity is stepped down at the substations to about      
A. 220v      
B. 175000v      
C. 11000v      
D. 330000v      

                 

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75. The topsoil is otherwise called      
A. levelling soil      
B. paved soil      
C. Road soil      
D. Vegetable soil      

                 

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76. The procedure by which the foundation plan of the building expressed on the drawing paper is laid out on the ground is known as      
A. Site preparation      
B. Pegging      
C. Surveying      
D. Setting out techniques      

                 

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77. All the following are mechanical plants used for site preparation except      
A. Bulldozer      
B. Power shovel      
C. Grader      
D. Machete      

                 

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78. Electric charges are measured in      
A. Volts      
B. Ampere      
C. Coulomb      
D. Ohm      

                 

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79. A law that relates the voltage, current and resistances present in a circuit is known as      
A. Hooke’s law      
B. Ohm’s law      
C. Snell’s law      
D. Faraday’s law      

                 

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80. A device which converts alternating current to direct current is called      
A. Rectifier      
B. Converter      
C. Filter      
D. amplifier      

                 

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81. Which of the following is not a hand tool used for site preparation?      
A. Chain saw      
B. Axe      
C. Hoe      
D. Grader      

                 

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82. A person who designs a building to specification is referred to as      
A. A contractor      
B. A firm      
C. An architect      
D. A client      

                 

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83. Frequency modulation (FM) has a broadcast frequency ranging from      
A. 174 to 216 MHz      
B. 88 to 108MHz      
C. 44 to 88MHz      
D. 3.2 to 24MHz      

                 

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84. Which of the following is not a simple maintenance method?      
A. Breaking      
B. Cleaning      
C. Washing      
D. Greasing      

                 

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85. Electric current is measured in      
A. Ampere      
B. Volt      
C. Ohms      
D. Coulomb      

                 

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86. E.m.f means      
A. Electrostatic force      
B. Electromotive force      
C. Electricity force      
D. Electromagnetic force      

                 

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87. A component that offers resistance is known as      
A. Capacitor      
B. Inductor      
C. Resistor      
D. Transistor      

                 

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88. The process by which electricity is passed from the power station to the substation is known as electricity      
A. Generation      
B. Distribution      
C. Utilization      
D. Transmission      

                 

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89. A person who wants to own a house is known as      
A. An architect      
B. A contractor      
C. A firm      
D. A client      

                 

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90. The formal study of charged particles at rest is known as      
A. Electrodynamics      
B. Electrolysis      
C. Electrostatics      
D. Electrodes      

                 

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