Civil Superior Services — Complete MCQ Bank
CSS is Pakistan’s premier federal competitive examination. Strong preparation requires conceptual clarity, broad general knowledge and consistent practice across compulsory and optional areas.
Which vitamin deficiency causes pellagra characterised by dermatitis diarrhoea and dementia?
Which kinetic theory explains that gas pressure results from molecular collisions with container walls?
What is the unit of measurement for radioactive activity equal to one nuclear disintegration per second?
Which scientist discovered electromagnetic induction demonstrating that a changing magnetic field induces current?
Which principle states that pressure in a static fluid increases with depth depending on fluid density?
Which force holds quarks together inside protons and neutrons at subatomic distances?
What is the phenomenon where a material loses all electrical resistance below a critical temperature?
Which law states that energy radiated by a black body is proportional to the fourth power of its temperature?
Which type of electromagnetic wave has the highest frequency and energy in the spectrum?
Which phenomenon describes the bending of light around a massive object predicted by general relativity?