Answer: Option B. -> 3 and 4
Answer: (b)A cash crop is an agricultural crop which is grown for sale to return a profit. It is typically purchased by parties separate from a farm.

Answer: Option C. -> Switzerland
Answer: (c)Switzerland has no mineral resources; two third of its area is covered with forests, lakes and mountains. Due to the paucity of mineral resources, it has to import, process and resell them as products.

Answer: Option D. -> over the North Pole
Answer: (d)

Answer: Option A. -> 2 3 1 4
Answer: (a)
China is the largest producer of wheat. Roughly two-thirds of the total wheat production came from the north China plain and nearly another third from the central provinces. Winter wheat accounts for about 94% of China’s total wheat output.
U.S.A. is the largest producer of cotton. In its January report, USDA estimated a ‘13-14 US crop of 13.19 million bales. Upland production was estimated at 12.55 million bales and extra-long staple production at 636,000 bales.
Brazil is the largest producer of sugarcane. Brazil’s sugarcane industry association UNICA estimates Brazil’s sugar cane production in 2012/13 at 531.4 million ton which is 8% up from the 493.2 million ton produced in 2011/12.
India is the largest producer of tea. Tea Board of India shows that from January to August, tea production has risen by 6.2% to 705 million kg in 2013.

Answer: Option C. -> Moderate rainfall in winter
Answer: (c)
The Great Plains region of the US is called 'the Breadbasket of the US' because of its huge production of grain, particularly wheat, which is used in making bread.
This region is called the Corn Belt, or (occasionally) the 'Grain Belt', the most intensively agricultural region of the Midwest.
These are the areas of moderate rainfall as rainfall decreases from east to west, resulting in different types of prairies.

Answer: Option B. -> Nigeria
Answer: (b)Nigeria is the most populous and oil rich country in Africa.

Answer: Option A. -> Both A and R are true, but R is not the correct explanation of A.
Answer: (a)
The WTO established in 1995. It aims to promote free trade, but it does not manage the global economy impartially.
The organization deals with the regulation of trade between participating countries; it provides a framework for negotiating and formalizing trade agreements, and a dispute resolution process aimed at enforcing participant’s adherence to WTO agreements, which are signed by representatives of member governments and ratified by their parliaments.

Answer: Option D. -> 1, 2 and 3
Answer: (d)In all the above three options primitive agriculture such as shifting cultivation or bush fallow type of cultivation is found.

Answer: Option A. -> Leningrad and Vladivostok
Answer: (a)The Trans-Siberian Railway, a network of railways connecting Moscow with the Russian Far East, is the longest railway line in the world with a length of 9,289 kilometres. The main route of the Trans-Siberian Railway begins in Moscow and connects Vladivostok via southern Siberia.

Answer: Option C. -> Russia – Bauxite
Answer: (c)
In 2010, Australia was the top producer of bauxite with almost one-third of the world’s production, followed by China, Brazil, India, and Guinea.
Although aluminium demand is rapidly increasing, known reserves of its bauxite ore are sufficient to meet the worldwide demands for aluminium for many centuries. Russia was the 15th largest bauxite producer on this list.