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 property of water allows insects like water striders to walk on its surface?
Which gas is responsible for the characteristic smell often associated with rain after a dry spell?
Which everyday chemical reaction is responsible for rusting of iron objects?
Which scale is used to estimate wind speed based on observed sea or land conditions without instruments?
Which scale is commonly used to measure the intensity of hurricanes and tropical cyclones?
Which natural disaster is measured using the Richter scale?
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?