Question:
Soil is the most important renewable natural resource. Explain.
Answer:
It is the medium of plant growth and supports different types of living organisms on the earth. The soil is a living system. It takes
millions of years to form soil upto a few cm in depth. Relief, parent rock or bed rock, climate, vegetation and other forms of life and time are important factors in the formation of soil.
Various forces of nature such as change in temperature, actions of running water, wind and glaciers, activities of decomposers etc. contribute to the formation of soil. Chemical and organic changes, which take place in the soil, are equally important. Soil also consists of organic (humus) and inorganic materials.
Resources and Development
Q 1.
Give two characteristics of alluvial soil.
Q 2.
What is resource planning?
Q 4.
Give the difference between renewable resources and non-renewable resources with examples.
Q 5.
Give the importance of human beings as an essential component of resource?
Q 6.
What are the biotic and abiotic resources? Give some examples.
Q 7.
Name three states having black soil and the crop which is mainly grown in it.
Q 8.
What is conservation of resources?
Q 9.
Major problem faced due to the indiscriminate use of resources by Man- Discuss.
Q 10.
What are the factors that determine the use of land?
Q 11.
Give a short note on reserves.
Q 12.
What are the two disturbing features of land – use pattern?
Q 13.
Mention any two methods for reducing fallow land.
Q 14.
What was the root cause for resources depletion at the global level, according to Gandhiji ?
Q 15.
Is black soil easy to work, in hot climate? Explain.
Q 16.
Write a short note on classiification of resources.
Q 17.
Explain land use pattern in India and why has the land under forest not increased much since 1960-61?
Q 18.
What are the problems faced due to mismanagement of resources?
Q 19.
What steps can be taken to control soil erosion in the hilly areas?
Q 20.
Soil is the most important renewable natural resource. Explain.
Q 21.
Give a brief note on arid soil.
Q 22.
Name the five types of land resource.
Q 23.
What type of soil is found in the river deltas of the eastern coast? Give three main features of this type of soil.
Q 24.
Write a paragraph on resource planning.
Q 25.
How can the problem of deforestation be solved?
Q 26.
Give a brief note on the productivity of alluvial soil.
Q 27.
Give the two factors that determine soil fertility.
Q 28.
What was the views of Gandhiji on resource conservation?
Q 29.
What has significantly contributed to land degradation?
Q 30.
What is the classification of alluvial soil on the basis of their age ? Mention their characteristics.
