The capacity of a soil to function on sustained basis promoting plant & animal health: April 20, 2025 by admin A. Soil neutrality B. Soil quality C. Both a & b D. None of these
Organic matter decomposes rapidly in Pakistani soils because of ____________ conditions, that is why our soils generally have < 1% organic matter: April 20, 2025 by admin A. High temperature B. Alkaline C. Both a & b D. None of a & b
The soil quality is always deteriorated by:_________? April 20, 2025 by admin A. Erosion & pollution B. Waterlogging & salinization C. Nutrient mining D. All of these
New soils, no or little profile development: April 20, 2025 by admin A. Entisols B. Inceptisols C. Andisols D. Aridisols
Inceptisols:___________? April 20, 2025 by admin A. Young soils with few horizons B. Volcanic soils C. Organic soils D. Dry soils
Soil-forming minerals occurring in rocks do not contain any water, they undergo ______________ when exposed to humid conditions & break down as in chemical weathering process: April 20, 2025 by admin A. Carbonation B. Acidification C. Hydration D. Dissolution
Soil is a variable mixture of Major components: April 20, 2025 by admin A. Solids B. Liquids C. Gases D. All of the above
The soil air contains a number of gases ______________ & water vapours: April 20, 2025 by admin A. Nitrogen B. Oxygen C. Carbon dioxide D. All of the above
Igneous rocks are called:__________? April 20, 2025 by admin A. Primary rocks B. Secondary rocks C. Aqueous rocks D. None of the above
