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 microorganism is primarily responsible for fermenting milk into yogurt?
Which gas produced during fermentation causes dough to rise when making bread?
Which everyday material is commonly used as a natural disinfectant due to its antimicrobial properties?
Which everyday process explains why water boils at a lower temperature at high altitudes such as on mountains?
Which everyday process explains why food cooks faster in a pressure cooker compared to an open pot?
Which optical phenomenon creates the illusion of water on a hot road surface during sunny days?
Which natural phenomenon produces colorful displays of light in polar regions due to solar particles interacting with the atmosphere?
Which natural phenomenon explains why a compass needle always points toward magnetic north?
Which everyday device converts alternating current into direct current for charging electronic devices?
Which everyday device converts direct current into alternating current for household appliance use?