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Improvement in Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement in Food Resources1 Mark
Question
Chemicals used to kill weeds are called _______ .
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Answer

Chemicals used to kill weeds are called Weedicides.
Explanation:
They are the chemicals which are sprayed over field to get rid of weeds. They will not show any effect on crop plants. Two popularly used weedicides are 2, 4-D Ethyl ester, Neem extract, Glyphosate etc.

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