Question

question is plese answer​

Answer 1

Answer:

1)biopests

2)they are used to protect grains from insects

3)The substance which is used to destroy or prevent the growth of plants, especially weeds.

Answer 2

Answer:

Neem and turmeric powder are often used in grain storage; They are known as biopests used for many purposes. Most commonly, they are used to protect all the grains from all the unwanted and harmful insects. The herbicide is the substance, which is used to destroy or prevent the growth of plants, especially the weeds.Herbicides, also commonly known as weedkillers, are substances used to control unwanted plants. Selective herbicides control specific weed species, while leaving the desired crop relatively unharmed, ..

Explanation:

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