Answer the following questions in detail. 1. Explain the process of soil formation.
2. What are the components of soil? Explain with the help of an activity.
3. Differentiate between sandy, loamy and clayey soil.
4. Explain soil profile.
5. What is soil erosion? Write the measures to prevent soil erosion.
6. What are the causes of soil pollution?
Answers
Answer:
Herbivores have teeth that are highlyspecialized for eating plants. Because plant matter is often difficult to break down, the molars of herbivores are wider and flatter, designed to grind food, and aid in digestion. ... Elephants are herbivores, and their incisors are unlike those found in other animals.
Explanation:
2. These include sand and clay. The relative amount of sand and clay depends upon the rock from which the particles were formed, that is the parent rock. The mixture of rock particles and humus is called the soil. Living organisms, such as bacteria, plant roots and earthworm are also important parts of any soil.08-Sep-2020
3. If soil contains greater proportion of big particles it is called sandy soil. If the proportion of fine particles is relatively higher, then it is called clayey soil. If the amount of large and fine particles is about the same, then the soil is called loamy. Thus, the soil can be classified as sandy, clayey and loamy.
4. A soil profile is a vertical cross-section of the soil, made of layers running parallel to the surface. These layers are known as soil horizons. ... These layers or horizons are known as the soil profile. It is the vertical section of the soil that is exposed by a soil pit.
5..(1) Plant more trees means promote afforestation. (2) Overgrazing must be stopped. (3) Deforestation must be checked. (4) Terrace farming and contour ploughing must be encouraged across the hill slope.
6. Illegal dumping of the solid wastes, polluted water absorbed by the soil, use of chemical fertilizers and pesticides, dumping of minerals, oils, and radioactive wastes are the major causes of soil pollution (Cachada et al. 2018).