PPSC Science Past Papers  MCQs 2023

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1. At the highest point what will be the acceleration of an object?





2. What is the gravity of moon as compared to the Earth?





3. The SI unit of “Pressure” is ______?





4. The speed of light in vacuum is about





5. The element used in glass preparation due to the transparent nature of its compounds is _____?





6. The fourth state of matter is ____?





7. Who invented Telephone?





8. The light from the Sun reaches to earth in about _____?





9. Earth rotates its axis from _____?





10. Normal blood pressure of healthy adult person is _____?





11. Which of the following is not a vector quantity?





12. Cell theory was given by _____?





13. The most abundant element found in human body by weight is _____?





14. What is the Chemical Formula of Sugar?





15. Who discover Penicillin?





16. The average heartbeat per minute in a normal man is _____?





17. The Lifespan of Red Blood Cells (RBCs) ____ days.





18. The term Aqua means ______?





19. What is the number of planets in the solar system?





20. COVID-19 is caused by?





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





22. Entomology is the science that studies?





23. Soap and detergents remove the dirt from cloths due to ______?





24. Ophthalmology is the study of ____?





25. Friction can be reduced by changing over from _____?





26. Who discovered the circulation of blood?





27. Who discover the Vaccine?





28. The exoskeleton of a marine snail is composed of _____?





29. Humidity of the atmosphere is measured by an instrument called?





30. Printing Press invented by ___?





31. Venus indicated the direction of ____?





32. Some celestial bodies which do not have their own heat and light are known as?





33. Which of the following is non-biodegradable?





34. Organic compound poured directly into the blood and transported to targeted tissue are _____?





35. Lead pencil is made up of _____?





36. The size of animal and plant is increase by _____?





37. What is the escape of water molecules from surface called?





38. Kidney stones was formed by which element?





39. Who discovered the law of attraction and repulsion in electric charges?





40. The interdisciplinary study of human population is called?





41. The study of life is called?





42. Cooking oil can be converted into vegetable ghee by the process of ____?





43. Duodenum Jejunum is a part of _____?





44. Who said microbes are animalcule?





45. Phases of the moon occur because _____?





46. Solar plate consist of which type of cell?





47. How many times a normal man respires per minute?





48. What are Cyclones?





49. The number of bones in a newborn baby is ____?





50. What is the factor effect of boiling water?





51. Radioactivity measured by which device?





52. The pH of milk is _____?





53. Which of following gas is combustible?





54. Which thing the brain demands the most?





55. Horticulture is a study of _____?





56. An instrument that measure air pressure is called _____?





57. A branch of medicine dealing with eyes and related diseases is called ____?





58. Which gas is 80 times potent than CO2 in Greenhouse Effect ?





59. AIDS virus discovered in?





60. A chronometer meter measures ____ ?





61. The study of life of one’s individual is called?





62. Which of the following is a vector quantity____?





63. What is the temperature of liquid nitrogen?





64. What is the cause of 90% of lung cancer cases?





65. Which of the following processes is used in water purification?





66. The PH of milk is _______?





67. Colour of the plants is green due to the presence of _________.





68. Which are the two planets which rotate from east to west?





69. Which is used an electrode in dry cell ?





70. Package of enzymes bounded by a membrane called a?





71. Which of following nutrients has the highest calorific values ?





72. The sunlight can reach a depth of___________meters in the ocean





73. The speed of sound is fastest in





74. A metal that is liquid at room temperature?





75. The study of tissues is called:





76. Malaria and Dengue are the diseases spread by what?





77. Deficiency of vitamin A causes:





78. Which of the following is a neutral particle ?





79. Study of Bacteria in Biology is called





80. Multi-meter is an instrument that can be used to measure:





81. A matter can exist in which of the following forms _____-





82. Cyclones in Australia are known as:





83. Which of the following in the eye is similar to film in camera?





84. Sound Waves travel faster in a medium …





85. When an organism is eradicated from the earth it is known as a?





86. Polio vaccine was invented by_______?





87. The muscles, tissues, and blood all are made up of____________?





88. Which is used for making electrodes in Dry battery—-?





89. Photosynthesis takes place in presence of the following light?





90. Kidney stones is caused due to





91. Non flowering plants are also called plant_________?





92. The appendix is situated in the :





93. As compared to plant cell animal cell is characterized the presence of :





94. Dengue virus belongs to ____?





95. When cream is separated from the milk due to its?





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