PPSC Science Past Papers  MCQs 2024

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1. What is the Unit of Force?





2. The SI unit of electric current is _____?





3. The most important stimulus for tea leaves is _____?





4. Which is the longest and the strongest bone in human body?





5. Which gas is commonly used in balloons and airships?





6. The ozone layer protects the earth from rays sent by the sun?





7. Who invented Telephone?





8. The largest planet of the solar system is _____?





9. Nearest planet to the sun is/are _____?





10. The energy stored in coal is _____?





11. Albert Einstein is best known for his ______?





12. Ozone layer protects us from the harmful _______ of the Sun.





13. What is the S.I unit of temperature?





14. The medical doctor who is specialist of eye sight is ______?





15. Cataract is the disease of ______?





16. Electrocardiography (ECG or EKG) is used for the diagnosis of the ailment of the _____?





17. When white light is passed through a prism, it splits into ______ colors.





18. The most brightest planet is ______?





19. Which is the largest gland in the human body?





20. Which gases/elements are used in gas-welding?





21. It is dangerous to sleep under trees at night because plants give out _____?





22. Tides are caused by the gravitational pull of the _____?





23. Air is the example of a/an ______?





24. The gas commonly known as Laughing gas is?





25. Which of the following is a unit of length?





26. The normal temperature of human body is _________ degree Fahrenheit.





27. Which system is responsible to communicate and coordinate for the body functions?





28. The study of insects is called ____?





29. The layers of atmosphere are divided into ____ layers.





30. Ability to be hammered into sheet is called malleability. Which one of the following metals is most malleable?





31. Gravity was discovered by ______?





32. Sound travels fastest in _______?





33. What is a statistical study of the human population called?





34. Thalassemia is due to abnormality in _____?





35. The SI unit of charge is ________?





36. Joule is the unit of ______?





37. The male reproductive part of the flower is called?





38. The SI unit of energy is?





39. What is another name for Baking Soda?





40. Who invented the Steam Engine?





41. The main constituent of Hemoglobin is _____?





42. The most abundant metal in the Earth’s crust is _____?





43. In the technical terms, muscle pull is known as ______?





44. Which planet has no moon?





45. Richter Scale is used for measuring?





46. Which part of the donor’s eye is utilized in eye donation?





47. Which type of vitamin is used for human body through sun?





48. Animals that eat both plants and animals are known as?





49. Which gas can be accumulated in poorly ventilated buildings?





50. Solar Eclipse occurs when _______?





51. The study of reptiles and amphibians is called ______?





52. The duration of day and night at North and South Poles is ______?





53. Trachoma is a disease of _____?





54. Printing Press invented by ___?





55. The study of life is called?





56. What are moraines?





57. What is a peninsula?





58. What is the approximate percentage of water in carbonated drinks?





59. What type of energy do solar cells convert?





60. A stone is a unit of which measurement?





61. What is the process called when a cell engulfs another cell?





62. What is the climate fund required by 2030 as per the NCFS (National Climate Finance Strategy)?





63. Cyril Ramaphosa is the president of which country?





64. What are detritivores also called?





65. The Cave Squeaker, an endangered species of Frog, found in which country?





66. Which of the following is an electrolyte?





67. Acid rain contains high levels of _____?





68. Our earth is divided into how many climate zones?





69. Who gave the theory of Evolution By Natural Selection?





70. Deficiency of Iodine causes ____?





71. What is the branch of biology that deals with organisms living in the oceans?





72. The sphygmomanometer measures blood pressure through which artery?





73. Matarba Falak in Urdu refers to which planet?





74. The force with which the earth attracts a body towards itself is called?





75. Doctors use a sphygmomanometer on which part of the body?





76. What is the study of fossils called?





77. Sulphur and Nitrogen cause _____?





78. Air is a mixture of _______?





79. Which is the largest part of the human brain?





80. Who proposed the Theory of Evolution?





81. Radioactivity measured by which device?





82. What are objects that orbit around a planet called?





83. What is the normal value of systolic pressure?





84. What is the soft form of coal?





85. Which type of cells protect the body from infectious diseases and foreign invaders?





86. The freezing point of water on a centigrade scale is?





87. Which of the following does the color of a star define?





88. What is the last planet in the solar system?





89. White blood cells also called leukocytes fight against?





90. The SI is made up of how many basic units?





91. Which is the heaviest planet in the solar system?





92. Who discovered laughing gas?





93. Benjamin Franklin an American invented ____?





94. The name of Robert Watson-Watt is associated with which of the following inventions?





95. Dermatology is the study of _____?





96. What happens to the taste buds during a fever due to an increase in body temperature?





97. Which source contains the highest amount of iodine?





98. The nonrenewable source of energy is _____?





99. Stethoscope was invented by ______?





100. The temperature of environment increases due to ____?





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