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 gas is released when metals like zinc react with dilute hydrochloric acid?
Which everyday observation shows that hot air rises and cool air sinks creating circulation?
Which process allows a submarine to sink or rise by adjusting water in ballast tanks?
Which common ailment is caused by the Helicobacter pylori bacterium?
Which phenomenon explains why a straw placed in a drink allows liquid to be sucked upward?
Which vitamin is produced when ultraviolet light acts on cholesterol in the skin?
Which everyday process is used when a doctor listens to heartbeats through a stethoscope?
Which gas is used to fill incandescent light bulb to prevent the filament from burning?
Which phenomenon causes a needle to deflect when placed near a current-carrying wire?
Which everyday material is used as an X-ray absorber to protect the body during medical scans?