MCQ Soil Chapter 9 Class 7 Science Advertisement MCQ’s For All Chapters – Science Class 7th 1. Which one of the following is a step in the formation of soil?Earthquakes or volcanic eruptionsWeathering of rocksAddition of humusAll are involved in the formation of soilQuestion 1 of 102. In which horizon of soil minerals are found?ABCNone of theseQuestion 2 of 103. Which physical property of soil is important to us?TextureWater holding capacityBoth of theseNone of theseQuestion 3 of 104. Which of the following type of soil will form a colloidal solution when suspended in water?ClaySiltSandGravelQuestion 4 of 105. Which factor influences soil formation?ClimateVegetationParent rock All of theseQuestion 5 of 106. The proportion of sand, silt and clay in a soil sample determinesstructuretexturenutrient potentialfertility levelQuestion 6 of 107. The microorganisms present in the soil require moisture (water) and nutrients for growth and survival. Choose from the options below the habitat (place) where the soil has plenty of water and nutrients.DesertForestOpen fieldCricket groundQuestion 7 of 108. Availability of water and minerals in the soil for maximum absorption by roots is in the:B-horizonC-horizon A-horizonSurface of soilQuestion 8 of 109. Soil conservation measures are mainly aimed at protecting which of the following?PlantsSub soilTop soilSoil organismsQuestion 9 of 1010. Read the following statements with reference to soil: (i) Weathering is a very fast process of soil formation. (ii) Percolation of water is faster in sandy soils. (iii) Loamy soil contains only sand and clay. (iv) Top soil contains the maximum amount of humus. Choose the correct statements from the above.(ii) and (iv)(i) and (iii)(ii) and (iii)(i) and (ii)Question 10 of 10 Loading...
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