Multiple choice

Biopesticides are cultured microorganisms or organic products that biologically control or destroy the pests that cause damage to plants. What are their advantages over chemical pesticides?

  1. This method relies on the natural enemies of the pests.
  2. No bioaccumulation and biomagnification in food chain.
  3. Development of resistance by pests in due course, but that only on indiscriminate use.
  4. Kills or cripples all the pests or micro-organisms in the targeted area.

  1. 1 and 2

  2. 1 and 3

  3. 1, 2 and 4

  4. 1, 2, 3 and 4
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A Correct answer
Explanation

The advantages of using biopesticides:

1. This method relies on the natural enemies of the pests. 

2. No bioaccumulation and biomagnification in food chain.

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