(C) The correct match for the drug 'Coca' (or Cocaine) is the plant 'Erythroxylum coca'.'Atropa belladonna' is a plant known for its hallucinogenic pr

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CocaAtropa belladonnaHallucinations

(C) The correct match for the drug 'Coca' (or Cocaine) is the plant 'Erythroxylum coca'.'Atropa belladonna' is a plant known for its hallucinogenic properties,but it is not the source of 'Coca'.Therefore,the match 'Coca - Atropa belladonna' is incorrect.All other options provided (Smack,Cocaine,and Hashish) are correctly matched with their respective sources and physiological actions.

Class 12 Biology Human Health and Disease Drugs and Alcohol Abuse

Medium

Tick mark the incorrect match with respect to the drug,source,and its action.
Drug Source Action

A
Smack Latex of poppy plant Papaver somniferum Depressant,slows down body functions
B
Cocaine Erythroxylum coca Sense of euphoria and increased energy
C
Coca Atropa belladonna Hallucinations
D
Hashish Cannabis sativa Hallucinations,affects cardiovascular system

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Class 12

Biology Questions

Chapter

Human Health and Disease

Subtopic

Drugs and Alcohol Abuse

Match List-$I$ with List-$II$:
List-$I$ (Drug) List-$II$ (Effect)
$A$. Nicotine $I$. Causes sense of euphoria and increased energy
$B$. Morphine $II$. Stimulates adrenal gland to release catecholamines into blood circulation
$C$. Heroin $III$. Effective sedative and painkiller
$D$. Cocaine $IV$. $A$ depressant; slows down body function

Choose the correct answer from the options given below:

List-$I$ (Drug)	List-$II$ (Effect)
$A$. Nicotine	$I$. Causes sense of euphoria and increased energy
$B$. Morphine	$II$. Stimulates adrenal gland to release catecholamines into blood circulation
$C$. Heroin	$III$. Effective sedative and painkiller
$D$. Cocaine	$IV$. $A$ depressant; slows down body function

MediumNEET 2026

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