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Improvement In Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement In Food Resources3 Marks
Question

Describe the biological method of weed control.

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Answer

Biological method of weed control involves the deliberate use of insects or some other organisms which consume and specifically destroy the weed plants.

Example: Opuntia can be controlled by using cochineal insects in Maharashtra.

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