🌱 Environment & EcologyUPSC 2014Sustainable Development

With reference to Neem tree, consider the following statements:1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites.2. Neem seeds are used in the manufacture of biofuels and hospital detergents.3. Neem oil has applications in the pharmaceutical industry.Which of the statements given above is/are correct?

a1 and 2 only
b3 only
c1 and 3 only
d1, 2 and 3 UPSC GS Paper-I PYQs 524
✓ Correct answer: c) 1 and 3 only
ExplanationAzadirachta indica, commonly known as the Indian neem tree, is a tropical evergreen belonging to the Meliaceae family, native to the Indian subcontinent, renowned for its me- dicinal and ecological significance.Neem is typically grown in tropical and subtropical regions.Statement 1 is correct: Neem oil and neem barks are used as an insect repellent and can be used for controlling the spread of some insects and mites.Statement 2 is incorrect: While neem seeds contain oil, which has potential as biofuel ,the manufacturing of hospital deter- gents is not a common or widespread use of neem seeds.The primary application of neem oil in hospital settings is in disin- fectants or antiseptic creams, not detergents specifically.Statement 3 is correct: Neem oil has multiple applications in the pharmaceutical industry.Neem is considered a weed and based on its antimicrobial resistance and other antifungal properties, they are also used in pharmaceutical and cosmetic industries.220

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