One Paper MCQs Solved Preparation Material All in One for PPSC FPSC NTS PTS OTS

• Which atom does not have a neutron? Hydrogen
• The charge present on an electron is Negative
• The charge present on a proton is Positive
• Water was discovered by Cavendish
• Most abundant element in human body is Oxygen
• Which of the following is the lightest element of the periodic table? Hydrogen
• An instrument used for measuring atmospheric pressure is called Barometer
• Natural radioactivity was discovered by Becquerel in 1896
• Neutron was discovered by Chadwick
• The circumference of the earth was determined by Al-Beruni
• Telephone was invented by Graham Bell
• SI unit of length is Metre, SI unit of force is Newton, Unit of work in SI units is Joule and Unit of Power in SI unit is Watt.
• Energy possessed by a body due to its motion is called Kinetic Energy
• Lens which is thinner at the centre and thicker at the edge is called Concave Lens .
• A lens which is thicker at the centre and thinner at the edges is called Convex Lens
• The diameter of a lens is called Aperture
• Energy in sun produced by hydrogen nuclei is the result of Fusion
• Ohm is unit of which quantity? Resistance
• Calorie is unit of which quantity? Heat
• Dyne is unit of which quantity? Force
• Angstrom is unit of which quantity? Length
• Becquerel is unit of which quantity? Radioactivity
• Who invented printing press? John Guttenberg
• A beam of white light passing through a prism scatters in Seven colours
• How much time does the sun light take to reach the Earth? 8.5 minutes
• The Sun is made of gases mainly Hydrogen and Helium
• The outer surface temperature of the Sun is 6000 0C
• In the core of the Sun Nuclear Fusion process is occurring all the times.
• Which is the hottest planet of our solar system? Venus
• Which planet is closest to the Earth? Venus