Question

UPSC Prelims 2014 Question:

In India, cluster bean (Guar) is traditionally used as a vegetable or animal feed, but recently the cultivation of this has assumed significance.

Which one of the following statements is correct in this context?

1. The oil extracted from seeds is used in the manufacture of biodegradable plastics.
2. The gum made from its seeds is used in the extraction of shale gas.
3. The leaf extract of this plant has the properties of antihistamines.
4. It is a source of high-quality biodiesel.

Answer (Detailed Solution Below)

Option 2: The gum made from its seeds is used in the extraction of shale gas.

Detailed Solution

Explanation:

India dominates the guar gum industry, commanding about 80 percent of global production, followed by Pakistan. It’s mostly exported to North America, Russia, China, Mexico and Brazil.
Guar gum is derived from cluster beans which are used in the shale gas extraction process.
Guar gum is derived from guar seeds, a legume crop that grows in semi-arid regions of Rajasthan, Gujarat and Haryana.

Therefore, option (2) is the correct answer.

Subject: Economics | Agriculture and Food Management

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