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Improvement in Food Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceImprovement in Food Resources2 Marks
Question
How does fumigation differ from spraying$?$
✓

Answer

 
Spraying
 
Fumigation
$1.$
Spraying requires mechanical devices such as manual sprayer or mechanical sprayer.
$1.$
It does not require any mechanical device.
$2.$
It is less effective than fumigation.
$2.$
It is more effective than spraying.

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