Social Science 10th CBSE important questions # 4
1.Who issues Currency notes in India?Ans: Reserve Bank of India (RBI)
2. By which name is specialized cultivation of fruits and vegetables known?
Ans: Horticulture.
3.Which language is spoken by majority of Sri Lankas?
Ans: Sinhala
4. Which rock consists of single mineral only?
Ans: Limestone
5. Name the minerals formed in beds and layers.
Ans: Minerals such as coal, gypsum, potash salt and sodium salts are formed in such modes.
6. What is Hematite?
Ans: Hematite ore is the most important industrial iron ore in terms of the quantity used.
7. What is homogeneous society ?
Ans: A society that has similar kinds of people, especially where there are no significant ethnic differences.
8.Why is 'least cost' known as decision making factor for ideal location of an industry?
Ans: 'Least cost' is the decision making factor in a location for the industry because if the profit has to be maximum, the cost has to be minimum.
9.(1)Give one difference between renewable and non - renewable resources.
Ans: They are environment friendly
They cause pollution
(2)Give an example of non - renewable resources.
Ans: E.g. coal, petroleum, natural gas, nuclear power etc.
10. What is meant by Double Coincidence of Wants?
Ans: Double coincidence of wants means that the person who wants to buy a good A and sell good B can buy it from another person who wanted to buy good B in exchange for good A only.
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