The microorganisms present in the soil require moisture (water) and nutrients for growth and survival.

Plants tend to absorb different kinds of nutrients from soil. However, a nutrient is inessential for a plant if it is not involved in the plant’s physiology and metabolism. For...

(a) Growth It is an irreversible and permanent process, accomplished by an increase in the size of an organ or organ parts or even of an individual cell. (b) Differentiation It is a...

Lichens and Mosses (a) and (b). Lichens and mosses release substances which break down the stones resulting in the formation of soil.

Almost all living organisms are dependent on soil. Some depend directly, while some depend indirectly. Plants need soil for getting support as well as nutrients to prepare their food. On...

Diffusion and osmosis respectively

 (a) The same kind of plants grown and cultivated on a large scale at a place is called crop.  (b) The first step before growing crops is preparation of the soil.  (c)...

Bacteria such as Rhizobium and certain blue-green algae can fix atmospheric nitrogen in the soil.

Prevention of Soil Pollution: 1. Use manures instead of chemical fertilizers. 2. Industrial waste should be treated before release. 3. Avoid use of polythene and plastic or they should not get mixed in...

(b) Vitamin C

Red soil 1. Red soil develops on crystalline igneous rocks in areas of low rainfall. 2. Red soil is found in parts of Odisha and Chhattisgarh, southern parts of the middle of...