Related Questions

Consider the following statements and choose the correct answer:
1. Average density of soil is 2.65 gms. per ml.
2. The spaces present between soil particles in a given volume of soil are called pore spaces
3. Porosity of the soil decreases with the increase in the percentage of organic matter in the soil
4. Macro-pore spaces have little water holding capacity and allow free movement of moisture and air in the soil under normal condition
Which of the following are the components of loamy soils?
I. Red soil
II. Clay soil
III. Alluvial soil
IV. Silt soil
V. Sandy soil
When it comes to fertilizing fields, what three nutrients are known as the “secondary nutrients”?
In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word. Replenish
Directions : In each of the following questions a statement is given, followed by three conclusions. Give answer :

Statement : During pre-harvest kharif season, the government has decided to release vast quantity of food grains from FCI.

Assumptions :
I. There may be a shortage of food grains in the market during this season.
II. The kharif crop may be able to replenish the stock of FCI.
III. There may be a demand from the farmers to procure kharif crop immediately after harvest.
If Deplete : Exhaust then Replenish : ___
Synonym of REPLENISH
Which of the following soil types is rich in soil nutrients such as calcium carbonate, magnesium, potash and lime?
Consider the following statements and choose the correct answer:
1. The process of soil formation is so slow that soil may be considered as a non-renewable resource
2. Soil pollution may be the direct effect of dumping and disposal of wastes, application of agrochemicals or the indirect result of air pollution
3. Pesticides increase the population and number of species of living organisms which facilitate the structure and fertility of the soil
4. Several pesticides or their degradations are absorbed by the plants
Consider the following statements and choose the correct answer:
1. Roots of grasses are an excellent binding material and keep the soil intact
2. Disruption of the grass cover by the plough loosens the soil and makes it vulnerable to removal by the force of rain or strong winds
3. Tilling or grazing on slopes or semi-arid soils decreases the rate of soil erosion
4. Soil erosion is especially high in Nepal, India, China, Australia, Spain, USSR, USA and Central Africa