1) Which of these is NOT a cause of soil erosion a) Deforestation b) Reforestation c) Over grazing d) Mining 2) Which of the following helps prevent soil erosion in agriculture? a) Fishing b) Bee keeping c) Cover Crops d) Cash Crops 3) --------------- is the degradation of fertile land into arid desert due to natural and human factors. a) Desertification b) Soil pollution c) Diversification 4) Select the odd man out a) Thar Desert b) The Ganges c) Sahara Desert d) Arctic Desert 5) What is the farming practice of plowing and/or planting across a slope following its elevation contour lines? a) Crop rotation b) Terrace farming c) Bunds d) Contour plowing 6) Which of the following is a sustainable way of preventing soil erosion? a) Organic farming b) Contour plowing c) Terrace farming d) Cover crops

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