Sunday, 29 March 2020

Cl 10 Resources and Development

1 what are International resources?
2 what is the importance of resources?
3 what is resource planning?
4 absence of which two components can hinder development of an area?
5 what were the main causes for colonization of the countries of Asia and Africa by foreign invaders?
6 why is conservation of resources important?
7 what is the result of irrational consumption and non utilisation of resources?
8 what does land as a natural resource support?
9 define culturable waste land.
10 what is the area brought under cultivation in a year called?
11 list any two factors that determine the land use.
12 what does the waste Land include?
13 according to the national Forest policy what should be the percentage of forest area in a country?
14 which factor is responsible for maximum Land degradation?
15 how does mineral processing degrade the land?
16 which soil is the best for cotton cultivation?
17 what gives red and yellow colour to Red and yellow soil?
18 where does the laterite soil develop?
19 name the soil formed by intense leaching. List any two characteristics of this soil.
20 what type of soil develops due to high temperature and evaporation?
21 name the two crops which can be grown in laterite soil after adopting soil conservation technique.
22 what restricts water infiltration into the red soil?
23 name the natural forces which lead to soil erosion.
24 what are gullies?
25 what is a ravine?
26 what are bad lands?
27 what is sheet erosion?
28 what method is used to break up the force of wind?
29 what resources can be acquired by a nation?


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