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 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?
Which sense organ contains the olfactory receptors responsible for detecting smells?
Which common substance has the chemical formula H2O2?
Which layer of the skin provides insulation and stores energy as fat?
Which everyday process converts mechanical energy into electrical energy in a bicycle dynamo?
Which organ produces the hormone adrenaline that prepares the body for fight or flight response?