SHORT ANSWER TYPE QUESTIONS
Q.1. Describe any three main features of the black soil. [CBSE 2019, 32/2/3]
(a) Black soil is made up of extremely fine, clayey material.
(b) It is well-known for its capacity to hold moisture.
(c) It is rich in soil nutrients such as calcium carbonate, magnesium, potash and lime.
(d) It develops deep cracks during hot weather, which helps in the proper aeration of the soil.
Q.2. Explain the three stages of Resource Planning in India. [CBSE 2016-17]
Ans. Three stages of Resource Planning in India are as given below:
(a) Identification and inventory of resources across the regions of the country. This involves surveying, mapping and qualitative and quantitative estimation and measurement of resources.
(b) Evolving a planning structure endowed with appropriate technology, skill and institutional set up for implementing resource development plans.
(c) Matching the resource development plans with overall national development plans.
Q.3. Which is the most wide spread relief feature of India? [CBSE 2015]
Ans. Plains are the most wide spread relief feature of India.
Q.4. State any one reason for the overuse of resources. [CBSE 2012]
Ans. The rapid increase in the world’s population is one reason for the overuse of resources.
LONG ANSWER TYPE QUESTIONS
Q.1. How did Gandhiji voice his concern about resource conservation? Explain.
What is conservation? Why is conservation of resources necessary? What are the views of Gandhiji about resource conservation? [CBSE 2016-17]
(a) Conservation is defined as the management of resources by human beings in a judicious and planned way without disturbing environment.
(b) It is necessary due to the following reasons:
(i) We have limited quantity of resources.
(ii) Irrational consumption and over-utilization of resources may lead to socio-economic and environmental problems.
(iii) It is also required for sustainable development.
(c) Gandhiji said, ‘There is enough for everybody’s need and not for any body’s greed’. He stated that the root cause for resource depletion at the global level was the greedy and selfish individuals and exploitative nature of modern technology.
Q.2. Suggest any six measures to solve the problem of land degradation. [CBSE 2015]
Ans. The problem of land degradation can be solved with the help of the following measures:
(a) Afforestation to revive the forest cover
(b) Growing thorny bushes in areas where desert like conditions appear
(c) Proper management of grazing on permanent pastures
(d) Proper disposal of industrial waste
(e) Planting of shelter belts
(f) Control on mining activities
Q.3. Describe any three main characteristics of arid soil. [CBSE 2012]
Ans. Three main characteristics of arid soil are:
(a) Arid soil is the soil of the desert and semi-desert regions.
(b) It has a sandy texture and salinity. With less rainfall and high temperature evaporation is faster therefore, the soil does not contain moisture and humus.
(c) The calcium content of the arid soil increases downwards and forms a layer which restricts the penetration of water.
Q.4. Consequences of environmental degradation do not respect national or state boundaries. Support the statements with examples. [CBSE 2015]
Ans. Consequences of environmental degradation do not respect national or state boundaries as they affect all countries equally.
(a) Land degradation affects agricultural production. Thus, shortage of crop production would affect international trade.
(b) Adding of greenhouse gases to the environment due to pollution has led to global warming.
(c) The quality of drinking water has reduced as our rivers get polluted.
(d) Increase in air pollution due to industries.