Punjab Public Service Commission — Complete MCQ Bank
PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.
Which water purification process removes dissolved salts and impurities by forcing water through a semi-permeable membrane?
Which household water purification method uses ultraviolet light to kill bacteria and viruses?
Which preservation technique uses controlled heating to kill harmful microorganisms in liquids like milk?
Which common food preservation method works by removing moisture to inhibit bacterial growth?
Which gas makes up approximately 21 percent of Earth's atmosphere and is essential for respiration?
Which instrument is used to detect and measure the magnitude of earthquakes?
Which instrument is used to measure wind speed?
Which instrument is used to measure humidity levels in the atmosphere?
Which device measures atmospheric pressure and is commonly used for weather forecasting?
Which type of wave does light represent in terms of its propagation?