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8.Microbes in Human Welfare
normal
$A$ : Barley, Sorghum and millet are smoother crops.
$R$ : They favour the growth of some common weeds.
A
Assertion and Reason both are correct and also correct explanation.
B
Assertion and Reason both are correct but not explanation of assertion.
C
Assertion is correct, but Reason is incorrect.
D
Both Assertion and Reason are incorrect.
Solution
Barley, Sorghum and millet are smoother crops. They retard the growth of weeds.
Standard 12
Biology
