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 everyday process involves the removal of dissolved impurities from water by passing it through a bed of sand and gravel?
Which common acid is found in citrus fruits like lemons and oranges giving them a sour taste?
Which common household acid is found in vinegar and gives it its sour taste and smell?
Which process in plants involves losing water vapour through stomata helping in cooling and nutrient transport?
Which part of the plant transports water and minerals from roots to leaves and food from leaves downward?
Which part of the plant conducts photosynthesis and contains stomata for gas exchange?
Which part of the plant is responsible for anchoring it in soil and absorbing water and minerals?
Which everyday item uses a bimetallic strip that bends when heated to control temperature in older thermostats?
Which part of the water cycle involves water falling from clouds back to the Earth's surface as rain snow or hail?
Which part of the water cycle involves water vapour cooling and turning back into liquid water droplets to form clouds?