1) Which of the following are present in soil? a) Minerals  b) Small organisms c) Air and Humus d) All of the above 2) Which Of The Following Layers Of Soil Consists Of Dead Plants And Animals ? a) Clay b) Humus  c) Gravel  d) Sand 3) Which of the following animals does not live in soil ? a) Ant b) Earthworms c) Snail  d) Sparrow 4) A type of soil that is a mixture of clay and sand particles. a) Loamy soil b) Clayey soil c) Sandy soil d) Soil 5) The top layer of the soil that is made up of dead remains of plants and animals a) Fertile  b) Manure c) Humus d) NONE OF THESE 6) The topmost layer of the earth a) ROCK b) HUMUS c) SOIL d) NONE OF THESE

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