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 ?
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A.
The oil extracted from seeds is used in the manufacture of biodegradable plastics.
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B.
The gum made from its seed is used in the extraction of shale gas.
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C.
The leaf extract of this plant has the properties of anti-histamines.
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D.
It is a source of high quality biodiesel.
Correct Answer:
B. The gum made from its seed is used in the extraction of shale gas.
Explanation:
Native to India, cluster beans (guar) thrive in dry, arid climates and serve as the primary source of guar gum. Cultivated mainly in Rajasthan, Gujarat, and Haryana, this legume is traditionally utilized for human consumption or livestock fodder. The gum extracted from its seeds is essential in the shale gas industry, where it acts as a thickening and stabilizing agent in drilling fluids. India currently maintains its position as the global leader in guar production.
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