Bordeaux mixture was first used in:
Germany
Japan
France
USA
(c)Bordeaux mixture was discovered by millardet in France in $1882.$
Penicillin is obtained from
Full name of $ BHC$ is
Drinking of mineral water with very low level of pesticides (about $0.02 ppm$ ) for long periods may
To which class of pesticides do DDT, BHC, aldrin and endosulphan belong
$BHC $ and $DDT $ belong to which class of pesticides
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