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.
Reason: Injecting the microbes intentionally during immunisation or infectious organisms gaining access into the body during natural infection induces active immunity.
- AIf both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- BIf both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- CIf the Assertion is correct but Reason is incorrect.
- DIf both the Assertion and Reason are incorrect.
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Similar Questions
$A$ - Smoking increases $O_2$ content in blood.
$R$ - Nicotine stimulates the adrenal gland.
$R$ - Nicotine stimulates the adrenal gland.
Medium
View SolutionRead the following sentences and choose the correct sentences:
$1.$ Dysentery,plague,and diphtheria are caused by bacteria.
$2.$ $Salmonella$ $typhi$ directly affects the respiratory system.
$3.$ Amoebiasis and Ascariasis are caused by contaminated water.
$4.$ Internal bleeding,anemia,and muscular pain are symptoms of elephantiasis.
$1.$ Dysentery,plague,and diphtheria are caused by bacteria.
$2.$ $Salmonella$ $typhi$ directly affects the respiratory system.
$3.$ Amoebiasis and Ascariasis are caused by contaminated water.
$4.$ Internal bleeding,anemia,and muscular pain are symptoms of elephantiasis.
Medium
View SolutionMatch 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
| Column-$I$ | Column-$II$ |
| $1.$ Typhoid | $a.$ Trichophyton |
| $2.$ Pneumonia | $b.$ Rhinovirus |
| $3.$ Common cold | $c.$ Haemophilus influenzae |
| $4.$ Ringworm | $d.$ Salmonella typhi |
Medium
View SolutionRead the statements carefully and determine how many statements provide correct information.
$(1)$ In innate immunity,the cellular barrier is represented by four main types of cells.
$(2)$ The $BCG$ vaccine contains live attenuated Mycobacterium.
$(3)$ In $G-6-P$ dehydrogenase deficiency,$RBCs$ start to disintegrate (hemolysis).
$(4)$ Nicotine stimulates the adrenal gland.
$(1)$ In innate immunity,the cellular barrier is represented by four main types of cells.
$(2)$ The $BCG$ vaccine contains live attenuated Mycobacterium.
$(3)$ In $G-6-P$ dehydrogenase deficiency,$RBCs$ start to disintegrate (hemolysis).
$(4)$ Nicotine stimulates the adrenal gland.
Difficult
View SolutionMatch the following:
Column-$I$ Column-$II$ $(A)$ Ringworms $(P)$ $W. malayi$ $(B)$ Elephantiasis $(Q)$ Rhino virus $(C)$ Common cold $(R)$ $HIV$ $(S)$ $Trichophyton$
| Column-$I$ | Column-$II$ |
|---|---|
| $(A)$ Ringworms | $(P)$ $W. malayi$ |
| $(B)$ Elephantiasis | $(Q)$ Rhino virus |
| $(C)$ Common cold | $(R)$ $HIV$ |
| $(S)$ $Trichophyton$ |
Medium
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