🔬 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 of the following has a coordinate bond?Answer: NH₃BF₃ Range of normal total lung capacity in humans is ______?Answer: 5-6 liter The formula V = W/qo represents _____?Answer: Electric potential If we have "No" number of any radioactive element then after a period of "n" half-lives the number of atoms left behind is?Answer: (1/2)^n No The formula = B.A represents ______?Answer: Magnetic flux In Calvin cycle CO₂ reacts with RuBP to produce ______?Answer: 6-Carbon unstable intermediate In velocity time graph the area under graph is equal to the _____?Answer: Distance covered by object A charge of 90 C passes through a wire for 30 seconds. Then the current in the wire will be _____?Answer: 3 A Which of the following is NOT a property of transition elements?Answer: Ions and compounds are colorless Mechanics, heat, light and sound are the branches of:Answer: Physics The unit of measurement of intensity of sound is inAnswer: Decibels What is the wavelength of a sound wave with a frequency of 440 Hz if the speed of sound in air is 340 m/s?Answer: 0.773 m The solubility of sulphates of alkaline metals generally ______?Answer: Decrease down the group When a force of 1N displaces its point of application by 1m in the direction of force, the work done is?Answer: 1 J In endothermic reaction, the heat content of the _____?Answer: Products is more than that of reactants What is the value of heat energy (Q) in an adiabatic process?Answer: 0 Full wave rectification is given by ______?Answer: Four diodes connected in bridge type arrangements Identify the CORRECT option required for the maximum yield of ammonia by Haber's process?Answer: High pressure low temperature continual removal of ammonia The organelles only found at seeding stage in oil seed plants are _____?Answer: Glyoxiosomes A diode characteristic curve is a plot between ______?Answer: Voltage and current A roller coaster is moving with 30 ms^-1 on a circular track of radius 30m. The net mass of coaster + passengers is 'm' the centripetal force acting on it is?Answer: 30m The resistance of semi-conductor with rise in temperature ______?Answer: Decreases ___________ is “inflammation of the tubes leading from the wind pipe to the lungs”.Answer: Bronchitis Which of the following is correct regarding phenol?Answer: Phenol is less acidic than carboxylic acid Alkyl Halides involving -C-X bond breakage and -C-Nu bond formation simultaneously would follow which one of the following mechanisms?Answer: SN2 Female reproductive system consists all of the following EXCEPT?Answer: Seminiferous tubules Main function of the epididymis is to ______?Answer: Transport sperms 1KWh = _______J?Answer: 3.6 MJ The induced current will flow in such a direction so as to oppose the cause that produces it is statement of _______?Answer: Lenz's Law Intermolecular forces between molecules of ideal gas are ______?Answer: Absent