CBSE Guess > Papers > Question Papers > Class X > 2009 > Social Science > Social Science
Q. 20. Distinguish between renewable and non-renewable resources by giving four points of distinction. 4×1=4
Ans. On the basis of exhaustibility, resources can be classified as:
1. Renewable resources.
(a) which can be renewed or reproduced by physical, chemical and mechanical processes.
(b) For example, solar energy, wind energy, water energy, forests, etc.
2. Non-renewable resources.
(a) These occur over a very long geological time and take millions of years in their formation.
(b) For example, minerals and fossil fuels.
Q. 21. Describe any four important characteristics of plantation farming. 4×1=4.
Ans. See Q. 7, Chapter 4 [Page G-17
Q. 22. Study carefully the map given below showing major textile industries and answer the questions that follow:
(22.1) Name woollen textile industrial centres, one each of Punjab and Haryana.
(22.2) Which two States have maximum concentration of cotton textile industries and why? 1+1+2=4
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