Assertion: Cocaine has a potent stimulating action on the central nervous system,producing a sense of euphoria and increased energy.
Reason: Injecting the microbes intentionally during immunisation or infectious organisms gaining access into the body during natural infection induces active immunity.

  • A
    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • B
    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • C
    If the Assertion is correct but Reason is incorrect.
  • D
    If both the Assertion and Reason are incorrect.

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Similar Questions

Match the diseases in Column-$I$ with their treatment in Column-$II$. Select the correct answer from the options given below.
Column-$I$Column-$II$
$i$. Malaria$a$. Chloromycetin
$ii$. Amoebiasis$b$. Quinine
$iii$. Filariasis$c$. Metronidazole
$iv$. Typhoid$d$. Diethyl carbamazine citrate

Choose the correct statement $-$

Match the diseases in Column-$I$ with their causative organisms in Column-$II$ and select the correct option:
Column-$I$ (Disease) Column-$II$ (Causative Organism)
$(a)$ Typhoid $(i)$ Wuchereria
$(b)$ Pneumonia $(ii)$ Plasmodium
$(c)$ Filariasis $(iii)$ Salmonella
$(d)$ Malaria $(iv)$ Haemophilus

Match the following columns:
Column-$I$Column-$II$
$1.$ Typhoid$a.$ Trichophyton
$2.$ Pneumonia$b.$ Rhinovirus
$3.$ Common cold$c.$ Haemophilus influenzae
$4.$ Ringworm$d.$ Salmonella typhi

In which of the following diseases,close contact with infected persons or their belongings should be avoided?

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