🔬 General Science Solved MCQs with Answers

Practice 4010 approved 🔬 General Science questions with verified answers from the 🌐 Current Affairs & GK subject for Pakistan exams.

4010 solved MCQs

Which is used as an electrode in the dry cell?Answer: Graphite The muscles, tissues and blood all are made up of?Answer: Proteins Cyclone is basically:Answer: Large system of winds بنیادی طور پر شہری اور صنعتی علاقوں میں _____ آلودگی زیادہ ہوتی ہے؟Answer: ہوائی World Ozone Day is observed every year on ______?Answer: 16 September The rate at which temperature decreases with increasing altitude is known as the:Answer: Lapse Rate Pasteurization of milk depends on ______?Answer: Both A and B Penicillin was discovered by?Answer: Alexander Fleming What are cyclones in Australia known as?Answer: Willy-Willies Which crop requires high temperature, light rainfall or irrigation, 210 frost free days and bright sunshine for its growth?Answer: Cotton Which female scientist’s research led to the foundation of fiber optics?Answer: Dr. Shirley Jackson Which gas is used in refrigerators for cooling?Answer: Chlorofluorocarbon Which type of mirror is used in the head lights of vehicles?Answer: Concave The microscope is used to study _____?Answer: Small and near objects The death rate obtained for a segment of population is known as _____?Answer: Specific death rate Maxwell derived mathematically that speed of light is ______?Answer: C = 1/√𝜇0𝜀0 At what angle of banking, speed at turn is = v √gγ?Answer: 45° For which pair of angles, where ranges for a projectile are equal. (Initial velocity is kept constant)Answer: 10°, 80° The correct relation for the charge-to-mass ratio (e/m) of an electron is?Answer: e/m = 2E/B²r The molar specific heat at constant volume for polyatomic gas is _____?Answer: Cv = 3R If momentum of a car is increased by 20% then its K.E is increased by ______?Answer: 44% If percentage uncertainties in force (F) and area (A) are 2% and 5% respectively, then what will be percentage uncertainty in pressure (P) exerted by force on the area?Answer: 7% What is S.I unit of temperature?Answer: Kelvin Which is the most abundant metal found in earth crust?Answer: Aluminum 8 % Electron was discovered by?Answer: J.J Thomson When the object moves with the speed of light its mass would be?Answer: infinite Hemodialysis is a procedure in which a dialysis machine and dialyzer is used to clean ______?Answer: Blood Nuclear energy when expanded converts?Answer: Nuclear into thermal Nitrogen wastes excreted through urine in humans is?Answer: Urea The number of atoms of reactants is _____ equal to number of atoms of products in a balanced chemical equation.Answer: Always