Ch – 10 The Living Organisms & Their Surroundings

Q.1: The organisms that can manufacture their own food are called ___________. a) consumers b) scavengers

Ch – 5 Separation Of Substances

Q.1: The mixture in which the constituents are uniformly distributed and each part of the mixture has the same properties, is known as _________________ mixture. a) Homogeneous b) Heterogeneous c) None Q.2: The substances which are mixed to form a mixture are called ____________. a) constituents b) components c) Both Q.3: Which of the followingContinue reading “Ch – 5 Separation Of Substances”

Ch – 14 Water

Q.1: About ________ of the Earth is covered with water. a) two-third b) one-third c) two-fifth Q.2: The process of changing of water into water vapour is known as ___________. a) condensation b) solidification c) evaporation Q.3: ___________ gets added to air by evaporation and transpiration. a) Water vapour b) Rain c) Dust Q.4: ExcessiveContinue reading “Ch – 14 Water”

Ch – 13 Fun With Magnets

Q.1: A Greek shepherd named ______________ discovered the natural magnets. a) Magnes b) Hermes c) Orphues Q.2: Magnetite contains ________. a) magnesium b) iron c) copper Q.3: The materials which have the property to attract iron are known as _________ materials. a) attractive b) artificial c) magnetic Q.4: A freely suspended bar magnet always alignsContinue reading “Ch – 13 Fun With Magnets”