Punjab textbook MCQs · Class 8
Class 8 General Science — chapter-wise MCQs
Every unit of the Class 8 General Science textbook as its own timed test, with the questions tagged by topic.
298
Questions
12
Units
76
Topics
Class 8 General Science units
- Unit 1: Ecology25 Qs · 25 minCarbon and Oxygen CycleEcological InterdependenceEcological PyramidEnergy Flow in the EcosystemFood Chain and Food WebEcological ImbalanceEnvironmental ProblemsSolutions of Environmental Problems
- Unit 2: Human Nervous System25 Qs · 25 minNervous SystemCentral Nervous SystemPeripheral Nervous SystemReflex ActionActions Controlled by the Nervous SystemWorking Model of the Nervous System
- Unit 3: Variation, Heredity and Cell Division25 Qs · 25 minVariation and AdaptationBasis of HeredityCell DivisionHeredityWatson and Crick Model of DNATransmission of Characters
- Unit 4: Biotechnology25 Qs · 25 minGenetic EngineeringBiotechnology ProductsApplications of BiotechnologyFermentationIntroduction to Biotechnology
- Unit 5: Periodic Table25 Qs · 25 minPeriodic Table of ElementsMetals and Non-metalsFirst 18 Elements of the Periodic Table
- Unit 6: Chemical Reactions25 Qs · 25 minBalancing the Chemical EquationsChemical ReactionsTypes of Chemical ReactionsChemical BondEnergy Changes in Chemical ReactionsLaw of Conservation of MassChemical Equations
- Unit 7: Acids, Bases and Salts25 Qs · 25 minAcidsBases / AlkalisSaltspH ScaleIndicators
- Unit 8: Force and Pressure25 Qs · 25 minPressure, Force and AreaBalanced and Unbalanced ForcesFloating and Sinking with Reference to DensityWater PressureEffect of Force in the Presence of Air PressureHydraulic Lift (Elevator)
- Unit 9: Reflection and Refraction of Light25 Qs · 25 minRefractionOccurrence of ReflectionImage Formation by a Plane MirrorSpeed of LightSpherical MirrorsTransmission, Absorption and ReflectionRegular and Diffused ReflectionOptical Instruments Using Plane Mirror
- Unit 10: Electricity and Magnetism25 Qs · 25 minVoltage and ResistanceElectric CurrentEarth Wire, Fuse and Circuit BreakerElectrical PowerElectromagnetsDangers of Overloading and Short CircuitPrecautionary Measures for Safe Use of ElectricityUses of Electromagnets
- Unit 11: Technology in Everyday Life23 Qs · 23 minMaking BioplasticPreparation of Soap and DetergentsAssembling a Concave Mirror Solar CookerMaking ToothpasteWorking of UPSAssembling a Simple Wind Turbine
- Unit 12: Our Universe25 Qs · 25 minStarsTypes of GalaxiesGalaxiesBirth and Death of a StarNeutron Stars, Pulsars and Black HolesSpace ExplorationTechnological Tools Used in Space ExplorationHow Do Astronauts Survive in Space?
Frequently asked questions
- How many Class 8 General Science MCQs are there?
- There are 298 MCQs across 12 unit tests for Class 8 General Science. Each unit is its own timed test.
- Which Class 8 General Science units can I practise?
- Unit 1: Ecology, Unit 2: Human Nervous System, Unit 3: Variation, Heredity and Cell Division, Unit 4: Biotechnology, Unit 5: Periodic Table, Unit 6: Chemical Reactions, Unit 7: Acids, Bases and Salts, Unit 8: Force and Pressure, Unit 9: Reflection and Refraction of Light, Unit 10: Electricity and Magnetism, Unit 11: Technology in Everyday Life and Unit 12: Our Universe.
- Which topics do the Class 8 General Science MCQs cover?
- Questions are tagged by topic, including Periodic Table of Elements, Acids, Nervous System, Central Nervous System, Genetic Engineering, Voltage and Resistance, Pressure, Force and Area and Variation and Adaptation. Your result shows how you did on each topic.
- Is there negative marking in Class 8 General Science?
- No. Textbook unit tests have no negative marking, so answer every question.