UPSC Prelims 2012·GS1·geography·ecology and environment

Government of India encourages the cultivation of 'sea buckthorn'. What is the importance of this plant? 1. It helps in controlling soil erosion and in preventing desertification. 2. It is a rich source of biodiesel. 3. It has nutritional value and is well-adapted to live in cold areas of high altitudes. 4. Its timber is of great commercial value. Which of the statements given above is/are correct?

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Last updated 23 May 2026, 3:31 pm IST
  1. A1 only
  2. B2, 3 and 4 only
  3. C1 and 3 onlyCorrect
  4. D1, 2, 3 and 4

Explanation

The correct answer is C because statements 1 and 3 accurately describe the characteristics and uses of sea buckthorn. Regarding statement 1, sea buckthorn has an extensive root system that binds the soil, making it highly effective at controlling soil erosion and preventing desertification, especially in fragile ecosystems. Regarding statement 3, the plant is known as the wonder berry due to its high nutritional value, being rich in vitamins and antioxidants. It is also native to and well-adapted for the cold desert conditions of high-altitude regions like Ladakh and Spiti. Statement 2 is incorrect because while research exists on various biofuels, sea buckthorn is not a primary or significant source of biodiesel compared to plants like Jatropha. Statement 4 is incorrect because sea buckthorn is a deciduous shrub, not a timber tree. It does not produce wood suitable for commercial timber use.
geography: Government of India encourages the cultivation of 'sea buckthorn'. What is the importance of this plant? 1. It helps in

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