Civil Services Prep

Prelims 2014 · Environment · Question 44

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?

  1. 1 and 2 only
  2. 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Answer

1, 2 and 3

1. Correct. Neem oil is widely used as a biopesticide; its active compounds (especially azadirachtin) help control many insect pests and some mites.

2. Correct. Neem seeds yield oil that has documented industrial uses, including in soaps/detergents and also in biofuel/biodiesel applications; hence this statement is acceptable.

3. Correct. Neem oil/extracts are used in the pharmaceutical/medicinal sector for antiseptic, antifungal and related formulations.

Hence, all three statements are correct.

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