Science Class 6 MCQ Chapter 11 Nature’s Treasures Curiosity Advertisement 1. What is the main source of energy for life on Earth?MoonSunStarsWindQuestion 1 of 182. Which gas makes up the largest portion of air?OxygenNitrogenCarbon dioxideArgonQuestion 2 of 183. What percentage of air is made up of oxygen?78%21%1%50%Question 3 of 184. What is the term for moving air?WindStormBreezeHumidityQuestion 4 of 185. What is the process of collecting and storing rainwater called?Water conservationIrrigationRainwater harvestingEvaporationQuestion 5 of 186. Which of the following is NOT a renewable resource?Solar energyWind energyCoalWaterQuestion 6 of 187. What is the major component of fossil fuels?OxygenCarbonHydrogenNitrogenQuestion 7 of 188. Which of the following helps prevent soil erosion?Cutting down treesPlant rootsPlastic bagsRocksQuestion 8 of 189. Wind energy is mainly used for:CookingRunning vehiclesGenerating electricityWatering plantsQuestion 9 of 1810. What is the percentage of nitrogen in the air?21%78%50%10%Question 10 of 1811. The energy from the Sun can be used directly for:Cooling waterHeating waterRunning vehiclesCleaning waterQuestion 11 of 1812. What do solar panels do?Produce waterGenerate electricityClean the airGrow plantsQuestion 12 of 1813. Which of the following is a fossil fuel?WindWaterCoalSunlightQuestion 13 of 1814. What percentage of the Earth's surface is covered with water?50%30%90%70%Question 14 of 1815. Which is an example of a non-renewable resource?ForestWaterCoalWindQuestion 15 of 1816. What is one way to reduce the use of fossil fuels?Walk or cycleBurn more coalUse more plasticIncrease deforestationQuestion 16 of 1817. What does the term "fossil fuel" refer to?Energy from fossilsEnergy from the sunFuel formed from the remains of plants and animalsFuel that replenishes naturallyQuestion 17 of 1818. How do forests contribute to the prevention of soil erosion?By providing habitat for wildlifeThrough the decay of leaves enriching the soilBy holding the soil in place with plant rootsBy reducing rainfallQuestion 18 of 18 Loading...
I am ansh from PM shri kendriya vidyalaya Azamgarh of class 6 A
Very good worksheet