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8.Microbes in Human Welfare
medium
$A$ : Newer antibiotics are required to be produced regularly.
$R$ : Pathogens often develop resistance to existing antibiotics.
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
Pathogens often develop resistance to existing antibiotics so newer antibiotics are required to be produced regularly.
Standard 12
Biology
Similar Questions
medium
Match the columns :
| Column – $I$ | Column – $II$ |
| $(a)$ Statin | $(1)$ To remove oily stains |
| $(b)$ Cyclosporin A | $(2)$ To break blood clot |
| $(c)$ Straptokinase | $(3)$ To decrease Cholesterol in blood |
| $(d)$ Lipase | $(4)$ Compenent to reduce blood immunity |
easy
