CBSE Class 10 Social Science Resources and Development Important Questions Set A

                                                                                  One  Mark  Questions

Que.No.1: What is resources planning ?

Ans 1.  Judicious use  of resources is known as resource planning.

Que.No.2:   When was Rio de Janeiro Summit held ?

Ans 2.  Rio de  jeneiro  was held in 1992.

Que.No.3:   What is the full form of UNCED ?

Ans 3.  United  Nations Conference on Environment and Development.

Que.No.4:   To what distance do the territorial water of India extend ?

Ans 4. The territorial waters of India extends upto 12 nautical miles (22.2 Km) from the coast.

Que.No.5:   Which is a special features of the sustainable development  ?

Ans 5. Development should take place without damaging the environment.

Que.No.6:   What is Bangar ?

Ans 6. Old alluvial soil is called bangar.

Que.No.7:   What term is used to identify the old and new alluvial respectively ?

Ans 7. Old alluvial is called bangar and new alluvial is called khaddar.

Que.No.8:   What method is used to break up the force of wind  ?

Ans 8. Strip Cropping.

Que.No.9:   What soil is the best for cotton cultivation ?

Ans 9. Black soil.

Que.No.10:   Where was the first International Earth Summit held ?

Ans 10. The first International Earth Summit was held at Rio de janeiro, in Brazil.

THREE MARK QUESTIONS

Que.No.1:  Explain three stages of resource planning ?

Ans 1. The three stages of Resource Planning are:

        1.Surveying, mapping and measurement of characteristics and properties of resources.

       2. Examining resources with respect to technology, economy and need.

       3. Matching the resource development plans with overall national development plans.

Que.No.2:  Explain the role of humans in resource development ?

Ans 2.  1.Human are at the centre of resoures development.

           2.All  recourses become resoures only when they are put use by humans

           3.No technology been there,development possible.

Que.No.3:  Mention any three features of arid soil .

Ans 3. 1.Arid soil coller ranging from red to broun

           2. In some area some conten is very high.

           3. Due to dry climate and high teamperature , evaporation is faster and soils lack humus.

Que.No.4:  Where is the forest soil found ? How does the texture vary according to the environment ?

Ans 4. Forest soil are found in hilly areas and mountain:

1. In the valley sides the soil is loamy and silty.
2. It is coarse in the upper slopes.
3. The soil found in the lower parts of the valley is fertile.

Que.No.5:  What is soil erosion ?  Write two human activities that led to soil erosion.

Ans 5. The denudation of the soil cover and subsequent washing down is described as soil erosion.Two human factors leading to soil erosion are :

     1.Deforestation: Due to heavy deforestation, soil erosion is increasing.

     2.Overgrazing: In many region, people still practice grazing of cattle, goats and sheep. Gradually this leads to soil erosion.

Que.No.6:  Explain any three factor responsible for the formation of soil.

Ans 6. 1. Relief,bed rock, climate ,vegetation, and many forms of life and time are important factors in the soil formation.

           2. Various forces of nature e.g. change in temperature, action of running water , glaciers ,wind and the activity of decomposers help in the formation of soil.

          3. Chemical and organic changes taking place in soil are equally important.

Que.No.7:  Explain the importance of conservation of resources.

Ans 7. Conservation of resources is necessary because of following reasons:

1. Non Renewable resources are limited in nature so resources are to be conserved.
2. Resources are vital for any  developmental  activity but irrational consumption and overutilization of resources may lead to socio – economic and environmental problems.
3.  Resources are to be used  judiciously and in planned manner  to save for future generations .

FIVE  MARKS   QUESTIONS.

Que.No.1:  What are resources  ?  Explain any four factors for resource development in India.

Ans 1. Resources are objects in environment, which are technologically accessible,economically feasible and culturally acceptable, and fulfill the basic need of man.

       1.The availability of resources is a necessary condition for the development of any region .

       2. Resources can contribute to development only when they are accompanied by appropriate technology and institutional changes.

       3. Resource development also involves quality of human resources.

       4. India has vast natural resources. After independence concerted efforts were made through Five Year Plans for the overall development of the economy.

Que.No.2:  Write  differences between  Renewable  &  Non renewable resources.

Ans 2. Renewable resources:

1. These can be renewed by physical, chemical processes.
2. These get renewed over a short period of time.
3. Also known as replenishable resources.
4. These are divided into continuous and flow.
5. Emamples:water,wind,forests,wildlife and soil.

Non- Renewable resources:

1. Thesr occur over a very long period of time.
2. These are limited in availability.
3. These are exhaustible.
4. These are divided into recyclable and non – recyclable.
5. Examples: minerals and fossil fuels.

Que.No.3:  What is the need for conservation of resources.  Explain in the light of Gandhiji’s  view.

Ans 3.  1. Irrational consumption and overexploitation of resources without consideration for the future generations have led to grave socio- economic.

           2.Social and economic distinctions on the basis of the haves and the have-nots and global ecological problems.

           3.Gandhi expressed his concern about resource conservation through these words, “There is enough for everybody’s need but not for anybody’s greed.”

           4. Gandhi advocated production by the masses and was against mass production that lead to uncontrolled exploitation of resources.

           5. Conservation of resources can also help tackle ecological crises of global level.

Que.No.4:  Give the importance of soil.  Explain three factor responsible for soil formation.

Ans 4.  1 Importance for agriculture

            2.Human settlement.

       Three factores responsible

1. Parent rock
2. Time
3. Climate

Que.No.5:  Write difference between  Red  &  Laterite soil. (  Give five points).

Ans 5. Red soil-1.Weathering of igneous and metamorphic rocks

                         2.highlyporous

                         3.less fertile

                         4.red in colour

                         5.less crystalline

Laterite soil –1 formed by leeching

                      2.less fertile

                      3.crystalline

                      4.little clayey

                      5.found in hill of Deccan.