GS PrelimsEnvironmentBiofuels2010

Other than Jatropha curcas, why is Pongamia pinnata also considered a good option for the production of bio- diesel in India? 1. Pongamia pinnata grows naturally in most of the arid regions of India. 2. The seeds of Pongamia pinnata are rich in lipid content of which nearly half is oleic acid. Which of the statements given above is/are correct?

A

1 only

B

2 only

C

Both 1 and 2

D

Neither 1 nor 2

Correct Answer: Option C

Explanation

1. The question asks why Pongamia pinnata (Karanj) is considered a good option for bio-diesel production in India, besides Jatropha curcas. 2. Statement 1: Pongamia pinnata grows naturally in various climatic conditions across India, including many relatively arid regions, coastal areas, and wasteland, indicating its hardiness and adaptability. This statement is generally considered correct. 3. Statement 2: The seeds of Pongamia pinnata are rich in lipid content (oil), typically ranging from 30-40%. A significant component of this oil is oleic acid, making it suitable for bio-diesel production. This statement is correct. 4. Since both statements 1 and 2 are correct reasons for considering Pongamia pinnata as a source for bio-diesel, the answer is (C) Both 1 and 2.

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