HomeScience Science Welcome to your Science Which of these is a virus?StaphylococcusLeukemiaScoliosisChicken pox Which one of these is NOT a mineral?QuartzLithiumDiamondCalcite What is the pH of pure water?017273.15 What is the largest moon in the Solar System?GanymedeThe Earth's MoonPlutoEuropa What element do organic compounds contain?CarbonOxygenHydrogenNitrogen The Earth is surrounded by an insulating blanket of gases which protects it from the light and heat of the Sun. This insulating layer is called theAtmosphereBiosphereLithosphereHydrosphere Which gas in the atmosphere protects us from harmful ultraviolet radiations?OzoneOxygenNitrogenCarbon Dioxide Enzymes and anti-bodies are mainly made ofCarbohydratesFatsVitaminsProteins Which among the following is not present in pure sugar ?CarbonHydrogenNitrogenOxygen What is the force of attraction between any two bodies by virtue of their masses is called?Electromagnetic ForceGravitational ForceCentripetal ForceNuclear Force Which of these branches of Physics deal with heat and temperature and their relation to energy and work?GeophysicsMechanicsAtomic PhysicsThermodynamics Power of lens is measured in which of the following units?metredioptrelumenwatt Two vectors are said to be equal if:they have equal magnitude and same directionthey have equal magnitude and opposite directionthey have equal magnitude and common initial pointthey have equal magnitude irrespective of the direction Which of the following conditions is true for an object to be in equilibrium?No linear motion of the objectNo rotational motion of the objectMinimum potential energy of the objectAll of the above Which of the following is correct about acceleration due to gravity?it increases with depthit decreases with depthit is independent of depthNone of the above Time is Up! Related
