PAF AERO TRADE PAST PAPER 23-01-2024 90 Score: 0 Attempted: 0/90 Subscribe 1. They cannot see lovely flowers blooming in the gardens. The synonym of Lovely is? (A) Ugly (B) Unattractive (C) Beautiful (D) None of these 2. Geo stationary satellites keep pace with the earth and complete one orbit in ______? (A) Two days (B) One day (C) Three days (D) Six days 3. The SI unit of electric power is? (A) Watt (B) Joules (C) Volts (D) Ampere 4. Which one is different: Kilometer, Meter, Foot, and Length? (A) Kilometer (B) Meter (C) Length (D) Foot 5. Look at this series: 53, 53, 40, 40, 27, 27, … What number should come next? (A) 14 (B) 27 (C) 53 (D) 12 6. What is the odd man out: Bull, Mare, Cow, Hen? (A) Bull (B) Mare (C) Cow (D) Hen 7. 20 men can do a work in 5 days. How many days will 10 men take to complete that work? (A) 36 days (B) 10 days (C) 12 days (D) 16 days 8. Army is to Soldier as Navy is to ____? (A) Sailor (B) Soldier (C) Constable (D) None of these 9. Complete the series: 20, 5, 30, 6, ______? (A) 42, 7 (B) 50, 6 (C) 65, 8 (D) None of these 10. Find the odd one out: 20, 5, 4, 6 (A) 5 (B) 4 (C) 6 (D) 20 11. Which one is the derived quantity in SI units? (A) Electric charge (B) Amount of substance (C) Plane angle (D) Electric current 12. Newton’s first law of motion is also called? (A) Law of conservation of energy (B) Law of momentum (C) Law of inertia (D) Law of force 13. The relationship between stress and strain is called? (A) Hooke’s Law (B) Newton’s law (C) Law of motion (D) None of these 14. Choose the odd word: Apple, Mango, Wheat, Orange (A) Wheat (B) Mango (C) Apple (D) Orange 15. Synonym of Capacity? (A) Ability (B) Disability (C) Infirmity (D) None of these 16. Choose the odd word: Apple, Mango, Watermelon, Guava (A) Apple (B) Mango (C) Watermelon (D) Guava 17. 6 pipes are required to fill a tank in 80 minutes. How long will it take if only 5 pipes are used? (A) 96 minutes (B) 102 minutes (C) 80 minutes (D) 85 minutes 18. “Boat is to water”, therefore “Plane is to______”? (A) Road (B) Forest (C) Air (D) Fly 19. Shirt is to dress as mango is to ____? (A) Fruit (B) Vegetable (C) Food (D) None of these 20. Lahore is in Punjab and Karachi is in ___? (A) Sindh (B) KPK (C) Balochistan (D) None of these 21. Complete the series: 5, 2, 7, 9, 16, 25, ? (A) 41 (B) 52 (C) 43 (D) 45 22. Complete the following series: 10, 15, 20, 25, ______? (A) 30 (B) 5 (C) 20 (D) 10 23. The SI unit of power is ______? (A) Force (B) Charge (C) Current (D) Watt 24. Synonym of Signify? (A) Most relevant (B) Conceal (C) Withhold (D) Indicate 25. Kinetic energy depends on? (A) Mass (B) Energy (C) Weight (D) None 26. Nib is to pen, then the lens is to? (A) Telescope (B) Glasses (C) Sight (D) None 27. Which of the following is a conductor of electricity? (A) Copper (B) Plastic (C) Rubber (D) Wood 28. I wanted to buy __ car. (A) A (B) An (C) Both A and B (D) No article 29. The value of boiling point of water on Celsius scale is? (A) 100°C (B) 0°C (C) 50°C (D) 212°C 30. Sound cannot travel through? (A) Solid (B) Liquid (C) Gas (D) Vacuum 31. The largest planet in the solar system is? (A) Earth (B) Saturn (C) Mars (D) Jupiter 32. What is the freezing point of water? (A) 100°C (B) 50°C (C) 0°C (D) 10°C 33. Which one is a non-metal? (A) Gold (B) Iron (C) Oxygen (D) Silver 34. Which gas is essential for respiration? (A) Carbon dioxide (B) Oxygen (C) Nitrogen (D) Hydrogen 35. The main source of energy for Earth is? (A) Moon (B) Stars (C) Sun (D) Fire 36. What is the symbol of Potassium? (A) Po (B) Pt (C) K (D) P 37. Which organ purifies blood in the human body? (A) Heart (B) Brain (C) Liver (D) Kidney 38. The basic unit of life is? (A) Atom (B) Cell (C) Tissue (D) Organ 39. The planet known as the “Red Planet” is? (A) Mars (B) Jupiter (C) Mercury (D) Venus 40. The longest bone in the human body is? (A) Tibia (B) Humerus (C) Femur (D) Radius 41. The gas used for photosynthesis is? (A) Oxygen (B) Nitrogen (C) Carbon Dioxide (D) Hydrogen 42. Which part of the plant conducts photosynthesis? (A) Root (B) Stem (C) Leaf (D) Flower 43. Water is made up of which two elements? (A) Hydrogen and Oxygen (B) Hydrogen and Nitrogen (C) Oxygen and Carbon (D) Nitrogen and Carbon 44. Which blood cells help to fight infection? (A) Red blood cells (B) White blood cells (C) Platelets (D) Plasma 45. The hardest natural substance on Earth is? (A) Iron (B) Gold (C) Diamond (D) Quartz 46. Which part of the brain controls balance? (A) Cerebrum (B) Cerebellum (C) Medulla (D) Brainstem 47. The closest planet to the sun is? (A) Earth (B) Mars (C) Mercury (D) Venus 48. How many bones are there in the adult human body? (A) 200 (B) 206 (C) 210 (D) 216 49. The chemical formula of table salt is? (A) NaCl (B) KCl (C) NaCO₃ (D) HCl 50. Which vitamin is obtained from sunlight? (A) Vitamin A (B) Vitamin B (C) Vitamin C (D) Vitamin D 51. Which of these is not a greenhouse gas? (A) Carbon dioxide (B) Methane (C) Oxygen (D) Water vapor 52. The largest mammal in the world is? (A) Elephant (B) Giraffe (C) Blue Whale (D) Hippopotamus 53. Which of the following is a vertebrate? (A) Earthworm (B) Octopus (C) Frog (D) Jellyfish 54. The process of water turning into vapor is called? (A) Condensation (B) Precipitation (C) Evaporation (D) Filtration 55. The organ responsible for pumping blood is? (A) Lungs (B) Brain (C) Heart (D) Liver 56. The currency of Japan is? (A) Dollar (B) Yuan (C) Yen (D) Won 57. Who discovered gravity? (A) Albert Einstein (B) Galileo (C) Isaac Newton (D) Thomas Edison 58. The process by which plants make their food is? (A) Respiration (B) Digestion (C) Photosynthesis (D) Transpiration 59. Which of the following is a renewable energy source? (A) Coal (B) Oil (C) Natural Gas (D) Solar Energy 60. The unit of frequency is? (A) Joule (B) Watt (C) Hertz (D) Ohm 61. Who invented the telephone? (A) Isaac Newton (B) Albert Einstein (C) Alexander Graham Bell (D) Thomas Edison 62. Which planet is known for its rings? (A) Jupiter (B) Mars (C) Saturn (D) Neptune 63. Which is the smallest unit of matter? (A) Molecule (B) Atom (C) Cell (D) Electron 64. Who was the first man to walk on the moon? (A) Neil Armstrong (B) Yuri Gagarin (C) Buzz Aldrin (D) Michael Collins 65. The largest continent by area is? (A) Africa (B) North America (C) Europe (D) Asia 66. Which country is known as the Land of the Rising Sun? (A) China (B) Japan (C) Thailand (D) South Korea 67. Which of the following is not a web browser? (A) Chrome (B) Firefox (C) Google (D) Safari 68. Binary number system uses how many digits? (A) 2 (B) 8 (C) 10 (D) 16 69. Which organ is responsible for breathing? (A) Kidney (B) Heart (C) Lungs (D) Liver 70. Which country has the largest population in the world? (A) India (B) China (C) USA (D) Russia 71. What is the capital of Canada? (A) Toronto (B) Vancouver (C) Ottawa (D) Montreal 72. The most abundant gas in Earth’s atmosphere is? (A) Oxygen (B) Carbon Dioxide (C) Nitrogen (D) Hydrogen 73. Which language has the most native speakers in the world? (A) English (B) Hindi (C) Spanish (D) Mandarin Chinese 74. Which part of the computer is considered the “brain”? (A) RAM (B) Hard Disk (C) CPU (D) Monitor 75. Which continent has the most countries? (A) Africa (B) Asia (C) Europe (D) South America 76. Who wrote the play Romeo and Juliet? (A) Charles Dickens (B) William Shakespeare (C) Mark Twain (D) Jane Austen 77. Which country is famous for the Eiffel Tower? (A) Germany (B) France (C) Italy (D) Spain 78. How many players are there in a soccer team on the field? (A) 9 (B) 10 (C) 11 (D) 12 79. HTML is used to create? (A) Software (B) Websites (C) Databases (D) Operating Systems 80. Which blood group is known as the universal donor? (A) A (B) AB (C) O negative (D) B 81. Which instrument is used to measure temperature? (A) Barometer (B) Thermometer (C) Hygrometer (D) Altimeter 82. Which element is used in electric bulbs? (A) Mercury (B) Hydrogen (C) Tungsten (D) Helium 83. Which country is famous for the Great Wall? (A) Japan (B) India (C) China (D) Korea 84. Which organ controls the entire human body? (A) Heart (B) Lungs (C) Brain (D) Liver 85. Which ocean is the largest by area? (A) Atlantic Ocean (B) Indian Ocean (C) Arctic Ocean (D) Pacific Ocean 86. Who is the founder of Microsoft? (A) Steve Jobs (B) Elon Musk (C) Jeff Bezos (D) Bill Gates 87. The tallest mountain in the world is? (A) K2 (B) Mount Kilimanjaro (C) Mount Everest (D) Mount Elbrus 88. Which color is formed by mixing red and blue? (A) Green (B) Purple (C) Orange (D) Brown 89. How many hours are there in three days? (A) 48 (B) 60 (C) 72 (D) 90 90. Which day is observed as World Environment Day? (A) 5th June (B) 21st April (C) 3rd March (D) 10th December