QUT5S Physics Quiz PDF

1. Which organelle is responsible for cellular respiration? a) Ribosome b) Mitochondria c) Golgi apparatus d) Endoplasmic reticulum 2. What is the function of the cell membrane? a) Storage of genetic material b) Synthesis of proteins c) Regulation of substances entering and leaving th...

1. Which organelle is responsible for cellular respiration? a) Ribosome b) Mitochondria c) Golgi apparatus d) Endoplasmic reticulum 2. What is the function of the cell membrane? a) Storage of genetic material b) Synthesis of proteins c) Regulation of substances entering and leaving the cell d) Generation of energy 3. Which of the following is not a component of the cytoplasm? a) Cytosol b) Organelles c) Cell wall d) Cytoskeleton 4. Which cell organelle is responsible for protein synthesis? a) Nucleus b) Golgi apparatus c) Ribosome d) Endoplasmic reticulum 5. What is the primary function of the nucleus? a) Energy production b) Cellular locomotion c) Genetic regulation d) Waste disposal 6. Which of the following equations represents uniformly accelerated motion?  a) \( s = ut + \frac{1}{2}at^2 \) b) \( v = u + at \) c) \( v = \frac{s}{t} \) d) \( s = vt \) 7. What does the slope of a velocity-time graph represent? a) Initial velocity b) Acceleration c) Distance traveled d) Final velocity 8. A body is moving with a constant velocity of 5 m/s. What is its acceleration? a) 5 m/s² b) 0 m/s² c) Depends on the direction of motion d) Cannot be determined 9. If a car travels 100 meters in 20 seconds with a uniform velocity, what is its speed? a) 20 m/s b) 5 m/s c) 100 m/s d) 2000 m/s 10. Which of the following is a scalar quantity? a) Velocity b) Acceleration c) Displacement d) Force 11. What is the SI unit of charge? a) Coulomb  b) Ampere c) Volt d) Ohm 12. When two positive charges are brought closer to each other, the force between them becomes: a) Attractive b) Repulsive c) Zero d) None of the above 13. Coulomb's law states that the force between two charges is: a) Directly proportional to the product of the charges and inversely proportional to the square of the distance between them b) Inversely proportional to the product of the charges and directly proportional to the square of the distance between them c) Directly proportional to the product of the charges and the distance between them d) Inversely proportional to the square of the distance between them 14. An electric field is defined as: a) The region where the electric force between charges is zero b) The region around a charge where another charge experiences a force c) The region around a charge where the electric potential is constant d) The region where charges are not allowed to move 15. What is the net electric field at the midpoint between two equal and opposite charges? a) Zero b) Half the electric field of one charge c) Equal to the electric field of one charge d) Double the electric field of one charge 16. Which of the following is not a characteristic of prokaryotic cells?  a) Presence of membrane-bound organelles b) Presence of a nucleus c) Typically smaller in size d) Presence of ribosomes 17. Which organelle is responsible for detoxifying harmful substances in the cell? a) Lysosome b) Peroxisome c) Endoplasmic reticulum d) Golgi apparatus 18. Which cellular structure is responsible for maintaining cell shape and providing mechanical support? a) Nucleus b) Cell membrane c) Cytoskeleton d) Mitochondria 19. In which organelle does photosynthesis occur? a) Chloroplast b) Golgi apparatus c) Endoplasmic reticulum d) Vacuole 20. Which of the following is not a function of the endoplasmic reticulum? a) Lipid synthesis b) Protein synthesis c) Calcium storage d) Detoxification 21. A body is thrown vertically upwards. What is the acceleration at the highest point of its motion?  a) 9.8 m/s² downward b) 9.8 m/s² upward c) Zero d) Cannot be determined without more information 22. Which of the following is an example of non-uniform motion? a) A car traveling at a constant speed along a straight road b) A ball rolling down a frictionless inclined plane c) A cyclist pedaling faster and then slowing down d) A pendulum swinging back and forth 23. The area under the velocity-time graph represents: a) Acceleration b) Displacement c) Speed d) Distance 24. If a car accelerates from rest at a rate of 2 m/s² for 5 seconds, what is its final velocity? a) 2 m/s b) 5 m/s c) 10 m/s d) 25 m/s 25. Which of the following equations represents displacement in uniformly accelerated motion? a) \( s = ut + \frac{1}{2}at^2 \) b) \( v = u + at \) c) \( v = \frac{s}{t} \) d) \( s = vt \) **Chapter 3: Electric Field and Charge** 26. An electric dipole consists of: a) Two negative charges b) Two positive charges c) One positive and one negative charge d) Three charges 27. Which of the following statements is true about conductors? a) They have no free electrons b) Electric field inside a conductor is zero c) They cannot be charged d) They do not allow the flow of electric current 28. The electric field lines outside a charged conductor are: a) Perpendicular to the surface b) Tangential to the surface c) Concentric circles centered on the charge d) Straight lines 29. The work done in moving a charge along an equipotential surface is: a) Zero b) Non-zero c) Dependent on the charge d) Depends on the distance traveled 30. What is the electric potential at a point in an electric field where the electric field is zero? a) Maximum b) Minimum c) Zero d) Indeterminate 31. Which of the following cell organelles is responsible for the synthesis of lipids?  a) Nucleus b) Golgi apparatus c) Endoplasmic reticulum d) Lysosome 32. What is the function of the Golgi apparatus? a) Protein synthesis b) Energy production c) Cellular respiration d) Packaging and modification of proteins 33. Which organelle contains digestive enzymes for breaking down waste materials? a) Mitochondria b) Endoplasmic reticulum c) Lysosome d) Chloroplast 34. Which statement about the cell wall is true? a) It is only found in animal cells b) It provides mechanical support and protection to the cell c) It regulates the entry and exit of substances in and out of the cell d) It is composed of phospholipids and proteins 35. What is the function of the cytoskeleton? a) Storage of genetic material b) Cellular locomotion and structural support c) Synthesis of proteins d) Energy production 36. What is the area under the velocity-time graph equal to? a) Initial velocity  b) Final velocity c) Displacement d) Acceleration 37. A body is in uniform motion if: a) Its velocity changes with time b) Its acceleration is zero c) Its displacement is zero d) Its speed is constant 38. Which of the following is a vector quantity? a) Speed b) Distance c) Displacement d) Time 39. Which of the following equations represents uniformly accelerated motion? a) \( v = u + at \) b) \( s = vt \) c) \( v = \frac{s}{t} \) d) \( v = u^2 + 2as \) 40. If a car moves with a constant velocity of 20 m/s for 10 seconds, how far does it travel? a) 200 m b) 10 m c) 2 m d) 2000 m 41. Two point charges repel each other with a force F. If the distance between them is halved and the charges are doubled, the new force will be: a) F/4  b) F/2 c) 2F d) 4F 42. In an electric field, the electric potential decreases in the direction of: a) Increasing electric field b) Decreasing electric field c) Uniform electric field d) Zero electric field 43. What is the direction of the electric field at a point due to a positive charge? a) Radially outward b) Radially inward c) Tangential to the surface d) Along the line joining the charge 44. What happens to the electric field between two parallel plates if the distance between them is increased? a) It increases b) It decreases c) It remains the same d) It becomes zero 45. Which of the following statements is true about electric potential energy? a) It is a scalar quantity b) It depends on the path taken by the charge c) It is always positive d) It is inversely proportional to the square of the distance between charges 46. Which of the following is NOT a function of the vacuole?  a) Storage of nutrients and waste products b) Support for plant cells c) Regulation of water balance d) Synthesis of proteins 47. What is the function of the chloroplast? a) Cellular respiration b) Photosynthesis c) Lipid synthesis d) Protein synthesis 48. Which structure is responsible for the breakdown of excess or worn-out cell parts? a) Golgi apparatus b) Endoplasmic reticulum c) Lysosome d) Nucleolus 49. What is the primary function of ribosomes? a) Cellular locomotion b) Protein synthesis c) Energy production d) Waste disposal 50. Which of the following is NOT a type of plastid? a) Chloroplast b) Leucoplast c) Chromoplast d) Nucleoplast 51. A car travels at a speed of 30 m/s for 20 seconds. What is its acceleration? a) 1.5 m/s²  b) 20 m/s² c) 30 m/s² d) 600 m/s² 52. Which of the following equations represents displacement in uniformly accelerated motion? a) \( s = ut + \frac{1}{2}at^2 \) b) \( v = u + at \) c) \( v = \frac{s}{t} \) d) \( s = vt \) 53. Which of the following graphs represents motion with constant acceleration? a) A horizontal line b) A straight line with a positive slope c) A curve d) A straight line with a negative slope 54. What is the acceleration of an object in free fall near the surface of the Earth? a) 9.8 m/s² upward b) 9.8 m/s² downward c) 19.6 m/s² upward d) Zero 55. Which of the following is true about the velocity-time graph of an object moving with constant acceleration? a) It is a horizontal line b) It is a curve c) It is a straight line d) It is a decreasing line 56. Which of the following is a fundamental property of electric charge? a) Mass  b) Volume c) Density d) Inertia 57. What is the SI unit of electric potential? a) Joule b) Volt c) Coulomb d) Newton 58. What is the direction of the electric field due to a negative charge? a) Away from the charge b) Toward the charge c) Parallel to the charge d) Tangential to the charge 59. What happens to the electric potential energy of a system of two like charges when they are brought closer together? a) It decreases b) It increases c) It remains the same d) It becomes zero 60. The electric field lines inside a charged conductor: a) Are perpendicular to the surface b) Are parallel to the surface c) Do not exist d) Are curved 61. What is the function of the cell membrane? a) To provide structural support  b) To control the movement of substances in and out of the cell c) To synthesize proteins d) To store genetic material 62. Which organelle is responsible for the synthesis of ATP? a) Mitochondria b) Golgi apparatus c) Endoplasmic reticulum d) Lysosome 63. Which of the following is NOT a function of the cytoskeleton? a) Maintaining cell shape b) Cellular movement c) Protein synthesis d) Intracellular transport 64. What is the function of the nucleus in a cell? a) Energy production b) Storage of genetic material c) Synthesis of proteins d) Detoxification 65. Which organelle is responsible for intracellular digestion? a) Nucleus b) Ribosome c) Lysosome d) Golgi apparatus 66. Which of the following is NOT a type of motion? a) Uniform motion b) Non-uniform motion  c) Accelerated motion d) Decelerated motion 67. What is the SI unit of acceleration? a) Meter per second (m/s) b) Meter per second squared (m/s²) c) Newton (N) d) Joule (J) 68. Which of the following is a vector quantity? a) Speed b) Distance c) Displacement d) Time 69. Which of the following equations represents uniformly accelerated motion? a) \( s = ut + \frac{1}{2}at^2 \) b) \( v = u + at \) c) \( v = \frac{s}{t} \) d) \( s = vt \) 70. If a car accelerates from rest at a rate of \(2 \, \text{m/s}^2\) for 10 seconds, what is its final velocity? a) 2 m/s b) 10 m/s c) 20 m/s d) 200 m/s 71. Which of the following statements is true about electric charge? a) Positive and negative charges attract each other b) Like charges attract each other  c) Charge is conserved in a closed system d) The SI unit of charge is the ohm 72. What is the electric field intensity at a point due to a positive charge? a) Directed toward the charge b) Directed away from the charge c) Tangential to the charge d) Zero 73. What happens to the electric potential energy of a system of two unlike charges when they are brought closer together? a) It decreases b) It increases c) It remains the same d) It becomes zero 74. In which direction does an electric field line point? a) Away from positive charges and towards negative charges b) Away from negative charges and towards positive charges c) Away from positive charges and away from negative charges d) Towards positive charges and towards negative charges 75. What is the electric field inside a conductor in electrostatic equilibrium? a) Zero b) Maximum c) Variable d) Infinity 76. Which of the following is NOT a function of the smooth endoplasmic reticulum? a) Synthesis of lipids b) Detoxification of drugs and poisons  c) Synthesis of proteins d) Storage of calcium ions 77. What is the function of the nucleolus? a) Synthesis of ribosomal RNA (rRNA) b) Synthesis of proteins c) Storage of genetic material d) Detoxification of harmful substances 78. Which organelle is responsible for cellular respiration? a) Chloroplast b) Mitochondria c) Lysosome d) Ribosome 79. Which of the following is NOT a component of the endomembrane system? a) Endoplasmic reticulum b) Golgi apparatus c) Mitochondria d) Lysosome 80. What is the function of the cytoplasm in a cell? a) Storage of genetic material b) Synthesis of proteins c) Cellular metabolism and transportation d) Cellular respiration 81. What is the relationship between velocity and acceleration in uniformly accelerated motion? a) Directly proportional b) Inversely proportional c) No relationship  d) Both are constants 82. Which of the following quantities can be negative? a) Speed b) Displacement c) Acceleration d) Time 83. Which of the following equations represents displacement in uniformly accelerated motion? a) \( s = ut + \frac{1}{2}at^2 \) b) \( v = u + at \) c) \( v = \frac{s}{t} \) d) \( s = vt \) 84. A body moves with a constant speed in a circular path. What is its acceleration? a) Zero b) Constant c) Variable d) Depends on the radius of the circle 85. What is the acceleration of a body thrown vertically upward at the highest point of its trajectory? a) 9.8 m/s² downward b) 9.8 m/s² upward c) Zero d) Depends on the initial velocity 86. What is the direction of the electric field inside a conductor in electrostatic equilibrium? a) Directed towards the surface of the conductor b) Directed away from the surface of the conductor c) Directed towards the center of the conductor d) Zero 87. What happens to the electric potential energy of a system of two like charges when they are moved apart? a) It decreases b) It increases c) It remains the same d) It becomes zero 88. What is the relationship between electric potential and electric potential energy? a) Directly proportional b) Inversely proportional c) No relationship d) Constant 89. What is the electric potential energy of a system of two unlike charges? a) Positive b) Negative c) Zero d) Indeterminate 90. Which of the following statements is true about conductors and insulators? a) Conductors allow the flow of electric charge, while insulators do not. b) Insulators allow the flow of electric charge, while conductors do not. c) Both conductors and insulators allow the flow of electric charge. d) Neither conductors nor insulators allow the flow of electric charge. 91. What is the function of the ribosomes in a cell? a) Synthesis of lipids b) Synthesis of proteins c) Cellular respiration d) Storage of genetic material 92. Which organelle is responsible for maintaining cell turgidity in plant cells? a) Mitochondria b) Vacuole c) Golgi apparatus d) Endoplasmic reticulum 93. Which of the following is NOT a function of the cytosol? a) Storage of nutrients b) Transport of molecules within the cell c) Synthesis of proteins d) Cellular metabolism 94. What is the role of the peroxisome in a cell? a) Breakdown of excess or worn-out cell parts b) Synthesis of ATP c) Detoxification of harmful substances d) Synthesis of lipids 95. Which structure is responsible for the synthesis of ribosomal RNA (rRNA)? a) Nucleolus b) Golgi apparatus c) Smooth endoplasmic reticulum d) Lysosome 96. Which of the following equations represents uniform motion? a) \( s = ut + \frac{1}{2}at^2 \) b) \( v = u + at \) c) \( v = \frac{s}{t} \) d) \( s = vt \) 97. What is the SI unit of velocity? a) Meter per second (m/s) b) Meter per second squared (m/s²) c) Newton (N) d) Joule (J) 98. Which of the following quantities can be a scalar? a) Displacement b) Velocity c) Acceleration d) Force 99. Which of the following is true about velocity? a) It is a vector quantity b) It is always positive c) It is the rate of change of displacement d) It is independent of time 100. What is the area under a velocity-time graph? a) Displacement b) Speed c) Distance d) Acceleration 101. What is the SI unit of electric field intensity? a) Coulomb (C) b) Volt (V) c) Newton per coulomb (N/C) d) Tesla (T) 102. What happens to the electric potential energy of a system of two like charges when they are brought closer together? a) It decreases b) It increases c) It remains the same d) It becomes zero 103. What is the direction of the electric field due to a negative charge? a) Away from the charge b) Toward the charge c) Parallel to the charge d) Tangential to the charge 104. Which of the following statements about electric potential is true? a) It is a vector quantity b) It is a scalar quantity c) It is always positive d) It is measured in coulombs per volt 105. What is the electric field between two parallel plates with opposite charges? a) Uniform b) Non-uniform c) Zero d) Infinity 106. What is the function of the centrosome in animal cells? a) Synthesis of proteins b) Cellular respiration c) Formation of the spindle fibers during cell division  d) Detoxification of harmful substances 107. Which organelle is responsible for the synthesis of proteins that are destined to be exported from the cell? a) Ribosome b) Golgi apparatus c) Lysosome d) Endoplasmic reticulum 108. Which of the following statements about plant cells is true? a) They lack a cell wall. b) They typically contain small vacuoles. c) They contain chloroplasts for photosynthesis. d) They lack a nucleus. 109. What is the function of the cell wall in plant cells? a) Regulation of substances entering and leaving the cell b) Synthesis of ATP c) Mechanical support and protection d) Storage of genetic material 110. Which organelle contains enzymes for breaking down cellular waste and debris? a) Nucleus b) Golgi apparatus c) Lysosome d) Mitochondria 111. What is the average velocity of an object moving with a constant speed of 10 m/s for 5 seconds? a) 10 m/s b) 5 m/s c) 2 m/s  d) 50 m/s 112. Which of the following equations represents uniform motion? a) \( s = ut + \frac{1}{2}at^2 \) b) \( v = u + at \) c) \( v = \frac{s}{t} \) d) \( s = vt \) 113. A car travels 400 meters in 20 seconds. What is its average speed? a) 20 m/s b) 40 m/s c) 80 m/s d) 200 m/s 114. What is the displacement of an object moving with a velocity of 5 m/s for 10 seconds? a) 50 m b) 10 m c) 5 m d) 100 m 115. Which of the following is true about an object in free fall near the surface of the Earth? a) Its velocity is constant. b) Its acceleration is zero. c) Its acceleration is directed upward. d) Its acceleration is approximately 9.8 m/s² downward. 116. What is the SI unit of charge? a) Coulomb b) Ampere c) Volt d) Ohm 117. Coulomb's law describes the force between two: a) Electric fields b) Electric potentials c) Point charges d) Conductors 118. What is the direction of the electric field at a point due to a negative charge? a) Away from the charge b) Toward the charge c) Parallel to the charge d) Tangential to the charge 119. What happens to the electric potential energy of a system of two like charges when they are moved apart? a) It decreases b) It increases c) It remains the same d) It becomes zero 120. Which of the following materials is a good conductor of electricity? a) Glass b) Rubber c) Copper d) Plastic 121. Which organelle is responsible for the synthesis of ATP through cellular respiration? a) Ribosome b) Golgi apparatus c) Mitochondria d) Endoplasmic reticulum 122. What is the function of the cytoskeleton in a cell? a) Synthesis of proteins b) Cellular locomotion and structural support c) Cellular respiration d) Storage of genetic material 123. Which of the following is NOT a function of the nucleus? a) Storage of genetic material b) Synthesis of proteins c) Regulation of cell activities d) Energy production 124. Which cellular structure is responsible for the breakdown of excess or worn-out cell parts? a) Nucleus b) Ribosome c) Lysosome d) Golgi apparatus 125. What is the function of the chloroplast in plant cells? a) Cellular respiration b) Synthesis of ATP c) Photosynthesis d) Protein synthesis 126. What is the acceleration of a car that starts from rest and reaches a speed of 20 m/s in 10 seconds? a) 2 m/s² b) 10 m/s² c) 20 m/s² d) 200 m/s² 127. Which of the following equations represents uniform motion? a) \( s = ut + \frac{1}{2}at^2 \) b) \( v = u + at \) c) \( v = \frac{s}{t} \) d) \( s = vt \) 128. If an object moves with a constant speed of 5 m/s for 10 seconds, what is its displacement? a) 50 m b) 5 m c) 10 m d) 100 m 129. Which of the following is a vector quantity? a) Speed b) Distance c) Displacement d) Time 130. What is the area under a velocity-time graph? a) Speed b) Distance c) Displacement d) Acceleration 131. What is the electric potential at a point in an electric field where the electric field is zero? a) Maximum b) Minimum c) Zero d) Indeterminate 132. What is the direction of the electric field at a point due to a positive charge? a) Away from the charge b) Toward the charge c) Parallel to the charge d) Tangential to the charge 133. What happens to the electric potential energy of a system of two unlike charges when they are moved apart? a) It decreases b) It increases c) It remains the same d) It becomes zero 134. Which of the following statements about conductors and insulators is true? a) Conductors have high resistance, while insulators have low resistance. b) Conductors allow the flow of electric charge, while insulators do not. c) Conductors do not allow the flow of electric charge, while insulators do. d) Both conductors and insulators allow the flow of electric charge. 135. What is the electric potential energy of a system of two like charges? a) Positive b) Negative c) Zero d) Indeterminate 136. Which organelle is responsible for detoxifying harmful substances in the cell? a) Lysosome b) Peroxisome c) Endoplasmic reticulum d) Golgi apparatus 137. Which of the following is NOT a function of the vacuole? a) Storage of nutrients and waste products b) Support for plant cells c) Regulation of water balance d) Synthesis of proteins 138. What is the primary function of ribosomes? a) Cellular locomotion b) Protein synthesis c) Energy production d) Waste disposal 139. Which organelle contains digestive enzymes for breaking down waste materials? a) Mitochondria b) Endoplasmic reticulum c) Lysosome d) Chloroplast 140. Which of the following is NOT a type of plastid? a) Chloroplast b) Leucoplast c) Chromoplast d) Nucleoplast 141. What is the relationship between velocity and acceleration in uniformly accelerated motion? a) Directly proportional b) Inversely proportional c) No relationship d) Both are constants 142. Which of the following equations represents uniform motion? a) \( s = ut + \frac{1}{2}at^2 \) b) \( v = u + at \) c) \( v = \frac{s}{t} \) d) \( s = vt \) 143. A car travels at a speed of 20 m/s for 10 seconds. What is its acceleration? a) 2 m/s² b) 10 m/s² c) 20 m/s² d) 200 m/s² 144. What is the acceleration of an object in free fall near the surface of the Earth? a) 9.8 m/s² upward b) 9.8 m/s² downward c) 19.6 m/s² upward d) Zero 145. Which of the following is true about the velocity-time graph of an object moving with constant acceleration? a) It is a horizontal line b) It is a curve c) It is a straight line d) It is a decreasing line 146. Which of the following statements is true about electric charge? a) Positive and negative charges attract each other b) Like charges attract each other c) Charge is conserved in a closed system d) The SI unit of charge is the ohm 147. What is the direction of the electric field due to a positive charge? a) Radially outward b) Radially inward c) Tangential to the surface d) Along the line joining the charge 148. What happens to the electric potential energy of a system of two like charges when they are brought closer together? a) It decreases b) It increases c) It remains the same d) It becomes zero 149. What is the SI unit of electric potential? a) Joule b) Volt c) Coulomb d) Newton 150. What is the electric field between two parallel plates if the distance between them is increased? a) It increases b) It decreases c) It remains the same d) It becomes zero