Physics Multiple Choice Questions PDF

1. Movement of molecules from a region of lower concentration to higher concentration is called: a. Diffusion b. Osmosis c. Active transport 2. A good experiment: a. Gives the biologist a correct result b. Allows rejection of some alternative hypotheses c. Ensures that hypotheses can be confirmed w...

1. Movement of molecules from a region of lower concentration to higher concentration is called: a. Diffusion b. Osmosis c. Active transport 2. A good experiment: a. Gives the biologist a correct result b. Allows rejection of some alternative hypotheses c. Ensures that hypotheses can be confirmed with certainty 3. Lipase enzymes act on: a. Starch b. Lipids c. Protein 4. The simplest ratio of elements in a given formula is given by: a. Molecular formula b. Empirical formula c. None of these 5. NaCl is the formula of: a. Glucose b. Sugar c. Salt 6. Rest and motion are states: a. Constant b. Variable c. Relative 7. Cellular respiration takes place in: a. Nucleus b. Cytoplasm and nucleus c. Mitochondria and cytoplasm 8. When the last member of a particular species dies, the species is said to be: a. Endangered b. Distinct c. Extinct 9. Plasma is generally a very: a. Good conductor b. Bad conductor c. Non-conductor 10. The process of transfer of heat by the actual movement of the medium particles is called: a. Conduction b. Convection c. Radiation d. All of the above 11. SI unit of distance is: a. Meter b. Kilogram c. Litre 12. Which of the following is best for insulation? a. Glass b. Air c. Brass d. Fiber glass 13. If the velocity of a body is increasing, then its acceleration will be: a. Positive b. Negative c. Uniform d. Variable 14. Acceleration due to gravity is maximum at poles and _______ at the equator: a. Maximum b. Zero c. Minimum d. None of these 15. How much millimeter is the resolution of the human eye? a. 0.1 mm b. 0.01 mm c. 0.001 mm 16. The energy possessed by the molecules of matter due to its position is called: a. Potential energy b. Kinetic energy c. Sound energy d. None of the above All set! Here’s the properly arranged version of your disorganized MCQs: 17. Photosynthesis is: a. Anabolic b. Catabolic c. None of these 18. Viruses are not classified in any kingdom because: a. They are too poorly understood b. They are not considered organisms c. They are too small 19. Change in the position of an object is: a. Velocity b. Displacement c. Speed d. Distance 20. In Pakistan, an endangered species is: a. Sparrow b. Indus dolphin c. Crow 21. If a car is moving with uniform speed in a circle, its velocity will be: a. Uniform b. Variable c. Zero d. None of the above 22. There are ______ methods of transmission of heat: a. 1 b. 2 c. 3 d. 4 23. Unit of density is: a. Kg m³ b. Kg m⁻² c. Kg m⁻³ d. Kg m² 24. Which tool do meteorologists use to measure the temperature of the air? a. Thermometer b. Barometer c. Hygrometer 25. Energy possessed by a body due to its motion is called ______ energy: a. Kinetic b. Potential c. Mechanical d. All of the above 26. A solid object is: a. Not elastic below the elastic limit b. Elastic above the elastic limit c. Elastic below the elastic limit d. None of the above 27. The Earth's atmosphere is held by: a. Wind b. Clouds c. Earth's magnetic field d. Gravity 28. The scientific name of a human being is: a. Homo sapiens b. Pisum sativum c. Rosa indica 29. When the temperature of matter increases, intermolecular forces: a. Increase b. Decrease c. Remain the same d. None of the above 30. What type of weather is associated with dark clouds, rain, and thunder? a. Sunny b. Stormy c. Foggy 31. If the velocity of a body is uniform, then its acceleration will be: a. Positive b. Negative c. Zero d. Doubled 32. What does the slope of a velocity-time graph give? a. Speed b. Velocity c. Acceleration d. Displacement 33. Similar cells performing the same function organize into a group that is called: a. Cell b. Tissue c. Organ 34. In binomial nomenclature, the second word is: a. Class b. Order c. Species All arranged and ready for use! Here’s the properly arranged version of your disorganized MCQs: 35. Effusion is: a. The leaking of gas through a hole 36. ______ is the product of distance and force applied: a. Acceleration b. Resistance c. Work d. Specific heat 37. Which of the following is true when a mango falls from a mango tree? a. Only the Earth attracts the mango b. Only the mango attracts the Earth c. Both mango and Earth attract each other d. Both mango and Earth repel each other 38. For work to be done, there are ______ conditions to be satisfied: a. 1 b. 2 c. 3 d. 4 39. Study of motion of the bodies is known as: a. Heat b. Light c. Atomic physics d. Mechanics 40. Solution having low solute concentration is called: a. Hypotonic b. Isotonic c. Hypertonic 41. The force exerted perpendicularly on unit area of an object is called: a. Strain b. Constant c. Pressure d. Work 42. Flora and fauna mean: a. Algae and fungi b. Plants and animals c. Temperature and area 43. Ionic state of matter is called: a. Gas b. Plasma c. Liquid d. None of these 44. Work done on the body will be ______ if no force acts: a. Maximum b. Minimum c. Zero d. All of the above 45. Double covalent bond is formed by the sharing of ______ electron pairs: a. One b. Two c. Four d. Six 46. The unit of pressure is: a. Nm⁻² b. Nm⁻¹ c. Pa d. Both a & c 47. The plasma membrane does not contain: a. Protein b. Lipids c. DNA 48. Displacement is a: a. Scalar quantity b. Vector quantity c. Dimensionless quantity 49. A person having none of the antigens A and B has blood group: a. AB b. O c. B 50. Energy is a ______ quantity: a. Vector b. Scalar c. Base d. None of the above All done! Here’s the arranged version of the remaining MCQs: 51. The largest artery is called: a. Aorta b. Renal artery c. Hepatic artery 52. Biodiversity provides: a. Food b. Habitat c. Food and Habitat both 53. Sound does not need a medium to propagate: a. TRUE b. FALSE 54. Transmission of heat from one body to another by the interaction of atoms and electrons is called: a. Conduction b. Convection c. Radiation d. All of the above 55. If a body is at a depth of 'h' from the liquid surface of density 'p,' then the pressure 'P' on that body is: a. P = w/t b. P = pgV c. P = pgh d. P = F/a 56. The coat which encases the virus is made up of: a. Amino acids b. Protein c. Chitin 57. Pisum sativum is the scientific name of: a. Frog b. Pea c. Man 58. Ventilation in our houses is only possible due to: a. Conduction b. Convection c. Radiation d. All of the above 59. Ribosomes are constructed in the: a. Nucleolus b. Nucleus pores c. None of these 60. The movement of water from a dilute solution to a concentrated solution through a membrane is called: a. Diffusion b. Osmosis c. Active transport 61. The fluidity of the cell membrane is due to: a. Proteins b. Lipids c. Carbohydrates d. Vitamins 62. What do we call the process in which water vapor in the air turns into tiny water droplets or ice crystals to form clouds? a. Condensation b. Evaporation c. Precipitation 63. Generally, an atom contains ______ numbers of electrons and protons: a. Equal b. Unequal c. Both (a) and (b) d. Neither (a) nor (b) 64. Geysers work on the principle of: a. Conduction b. Convection c. Radiation d. All of the above 65. The national animal of Pakistan is: a. Sheep b. Zebra c. Markhor 66. The area under a speed-time graph represents: a. Speed b. Volume c. Acceleration d. Distance 67. Gain of oxygen atom is defined as: a. Oxidation b. Reduction c. Both All sorted! Here's the organized list of the remaining MCQs: 68. A body at rest or moving with uniform speed in a straight line is said to be in: a. Rest b. Motion c. Uniform motion d. Relative motion 69. The national bird of Pakistan is: a. Partridge b. Pigeon c. Sparrow 70. Atoms react with each other to attain: a. Power b. Inertia c. Stability d. None of these 71. The physical quantity that has both magnitude and direction is known as: a. Vectors b. Scalars c. Both (a) and (b) d. Neither (a) nor (b) 72. Diffusion is faster in: a. Liquids b. Solids c. Gases d. Plasma 73. Increase in K.E (Kinetic Energy) is equal to: a. Decrease in P.E (Potential Energy) b. Increase in P.E c. No effect d. Both (a) and (b) 74. The loss of electrons from an atom is called: a. Reduction b. Oxidation 75. If a particle covers a displacement of 15m in 5 seconds, its velocity will be: a. 2 m/s b. 3 m/s c. 4 m/s d. 5 m/s 76. If the buoyant force is less than the object's weight, the object will: a. Sink b. Float c. None of the above 77. Chlorophyll pigment absorbs maximum light in the wavelength of: a. Red and blue b. Green and red c. Green and blue 78. Valves to prevent the backflow of blood are found in: a. Arteries b. Veins c. Capillaries 79. If the quantity of gas is increased in a container, then the gas pressure: a. Increases b. Decreases c. Remains the same d. None of the above 80. In metabolism, _______ works as a catalyst: a. Vitamins b. Enzymes c. Lipids 81. Velocity is defined as ______ per unit time: a. Distance b. Displacement c. Power d. Acceleration 82. Which of the following contains deoxygenated blood in adult humans? a. Pulmonary artery b. Pulmonary vein c. Lungs 83. In which tissues are guard cells found? a. Epidermal b. Mesophyll c. Xylem 84. The term "biodiversity" is derived from "bio" and: a. Logo b. Diversity c. Metry 85. Work is not a scalar quantity: a. FALSE b. TRUE c. Both (a) and (b) d. None of the above If you need detailed explanations for any, feel free to ask! Here's the organized list of the remaining MCQs: 68. A body at rest or moving with uniform speed in a straight line is said to be in: a. Rest b. Motion c. Uniform motion d. Relative motion 69. The national bird of Pakistan is: a. Partridge b. Pigeon c. Sparrow 70. Atoms react with each other to attain: a. Power b. Inertia c. Stability d. None of these 71. The physical quantity that has both magnitude and direction is known as: a. Vectors b. Scalars c. Both (a) and (b) d. Neither (a) nor (b) 72. Diffusion is faster in: a. Liquids b. Solids c. Gases d. Plasma 73. Increase in K.E (Kinetic Energy) is equal to: a. Decrease in P.E (Potential Energy) b. Increase in P.E c. No effect d. Both (a) and (b) 74. The loss of electrons from an atom is called: a. Reduction b. Oxidation 75. If a particle covers a displacement of 15m in 5 seconds, its velocity will be: a. 2 m/s b. 3 m/s c. 4 m/s d. 5 m/s 76. If the buoyant force is less than the object's weight, the object will: a. Sink b. Float c. None of the above 77. Chlorophyll pigment absorbs maximum light in the wavelength of: a. Red and blue b. Green and red c. Green and blue 78. Valves to prevent the backflow of blood are found in: a. Arteries b. Veins c. Capillaries 79. If the quantity of gas is increased in a container, then the gas pressure: a. Increases b. Decreases c. Remains the same d. None of the above 80. In metabolism, _______ works as a catalyst: a. Vitamins b. Enzymes c. Lipids 81. Velocity is defined as ______ per unit time: a. Distance b. Displacement c. Power d. Acceleration 82. Which of the following contains deoxygenated blood in adult humans? a. Pulmonary artery b. Pulmonary vein c. Lungs 83. In which tissues are guard cells found? a. Epidermal b. Mesophyll c. Xylem 84. The term "biodiversity" is derived from "bio" and: a. Logo b. Diversity c. Metry 85. Work is not a scalar quantity: a. FALSE b. TRUE c. Both (a) and (b) d. None of the above If you need detailed explanations for any, feel free to ask! Here’s the continuation of the organized MCQs: 86. In NaCl, the element Na is: a. Reducing agent b. Oxidizing agent c. Polarizing agent 87. The chemical which inhibits blood clotting is called: a. Anti-coagulation b. Antibodies c. Antigens 88. Which of the following is true for a free-falling body? a. It moves with non-uniform motion b. It has zero velocity c. It has constant non-zero acceleration d. It has non-uniform acceleration 89. Enzyme pepsin works in: a. Lungs b. Heart c. Stomach 90. Robert Brown discovered in plants: a. Cell wall b. Nucleus c. Ribosomes 91. Which types of muscles are responsible for a bird's wings flapping? a. Skeletal muscles b. Cardiac muscles c. Epithelial muscles 92. If a body does not change its position with respect to some observer, then it will be in a state of: a. Rest b. Motion c. Uniform motion d. Relative motion 93. What is the value of the acceleration due to gravity on the surface of the Earth? a. 8.8 m/s² b. 9.8 m/s² c. 10.8 m/s² d. 15.8 m/s² 94. Guard cells belong to: a. Stomata b. Cortex c. Endodermis 95. The scientific name of onion is: a. Allium cepa b. Zea mays c. Asterias rubens 96. Ice is a(n): a. Good conductor b. Bad conductor c. Perfect conductor d. None 97. Submarines work on the principle of: a. Pascal's law b. Newton's law c. Archimedes’ principle d. None of the above 98. The bending of waves around obstacles is called diffraction: a. TRUE b. FALSE 99. The unit of work is: a. N b. Nm c. J d. Both (b) & (c) 100. Study of motion without discussing the cause of motion is called: a. Kinematics b. Dynamics c. Heat d. Motion 101. The object will float on the liquid surface when: a. W > F b. W < F c. W = F d. None of the above 102. The unit of energy in the SI system is: a. Watt b. Joule c. Newton d. Coulomb 103. Distance is a: a. Scalar quantity b. Vector quantity c. Dimensionless quantity Let me know if you'd like any detailed explanations! Here’s the continuation of the organized MCQs: 104. Cathode is charged: a. Positively b. Negatively c. Neutral 105. The law of gravitation describes the gravitational force between: a. Any two bodies having some mass b. Earth and point mass only c. Earth and Sun only d. Two charged bodies only 106. Total length of a path between two points is known as: a. Velocity b. Acceleration c. Speed d. Distance 107. If the velocity of the body is decreasing, then its acceleration will be: a. Positive b. Negative c. Uniform d. Variable 108. Weakest attractive forces are in: a. Solid b. Liquid c. Gases d. Plasma 109. Gain of electrons is characterized as: a. Oxidation b. Reduction c. Both 110. The tissue that carries water and dissolved salts to the upper part of the root: a. Xylem b. Phloem c. Root 111. Stomata close when guard cells: a. Lose water b. Gain water c. Become turgid 112. The law about pressure on an object is presented by: a. Joule b. Pascal c. Newton d. Galileo 113. The major component of the plant cell wall is: a. Cellulose b. Cholesterol c. Chitin 114. What will be the kinetic energy of a body if its mass is doubled? a. Doubled b. Four times c. Eight times d. Half 115. A body moving in a straight line has uniform motion if it travels: a. Equal distances in equal intervals of time b. Unequal distances in equal intervals of time 116. The gravitational force between two bodies does not depend on: a. Sum of their masses b. Their separation c. The product of their masses 117. Molecules with the strongest intermolecular forces are in: a. Solid b. Liquid c. Gases d. Plasma 118. Five principal groups of organisms are prokaryotes, protista, fungi, plants, and: a. Microorganisms b. Virus c. Animals d. Eukaryotes 119. The mitochondrion functions in: a. Making food b. Cellular respiration c. Both (a) and (b) Let me know if you need further explanations or practice questions! Here’s the continuation of the organized MCQs: 120. Cell walls are not found in: a. Animals b. Plants c. Both of them 121. The atmospheric condition of a particular place at a particular point of time is called: a. Climate b. Weather c. Temperature 122. Pressure depends upon: a. Force b. Area on which force is applied c. Temperature d. Both a & b 123. The motion of the string of a violin is: a. Translatory b. Vibratory c. Rotatory d. None of these 124. What would be the displacement of a particle moving in a circular path of radius rr after a displacement of half a circle? a. 2r2r b. 2πr2\pi r c. 3πr3\pi r 125. What is the Earth's approximate equatorial circumference? a. About 20,000 kilometers b. About 40,000 kilometers c. About 60,000 kilometers 126. Which of the following is the function of human blood? a. It regulates temperature b. It transports wastes c. It provides defense d. All of them 127. Transmission of heat by waves without affecting the medium on its way: a. Conduction b. Convection c. Radiation d. All of them 128. Sound waves in air are an example of: a. Longitudinal wave b. Transverse wave c. Electromagnetic wave d. None of the options 129. A scientific theory has which of the following properties? a. It agrees with available evidence b. It cannot be rejected c. It has been absolutely proven 130. Sound travels through which medium? a. Solid b. Liquid c. Gas d. All of them 131. Anode is charged: a. Positively b. Negatively c. Neutral 132. The inertia of an object causes the object to: a. Decrease its speed b. Increase its speed c. Resist any change in the state of its motion d. Decelerate due to friction 133. The freezing point of water is: a. 5∘C5^\circ \text{C} b. 15∘C15^\circ \text{C} c. 0∘C0^\circ \text{C} d. 100∘C100^\circ \text{C} 134. Rockets use which gas for fuel? a. Hydrogen b. Carbon dioxide 135. Most plants keep their stomata open during which time? a. Day time b. Night time c. All the time Let me know if you'd like more help!