Drugs and alcohol abuse — NEET & JEE Questions

Question 1 · difficulty L1 · recall

Alcohol primarily acts on the nervous system as a

• A. central nervous system depressant
• B. vitamin
• C. antibiotic
• D. structural protein

Question 2 · difficulty L2 · understanding

Why can repeated use of an addictive drug lead to dependence?

• A. Addictive drugs have no effect on the brain
• B. The drug permanently removes all neurotransmitters
• C. Dependence occurs only after one exposure
• D. Repeated use reinforces neural reward pathways

Question 3 · difficulty L2 · understanding

Drug dependence is best described as

• A. a state in which repeated use creates strong psychological or physical need for the substance
• B. a single exposure with no desire to repeat it
• C. normal nutrition
• D. immunity against the drug

Question 4 · difficulty L2 · understanding

Why can adolescence be a period of increased vulnerability to substance abuse?

• A. Peer influence, experimentation, stress and risk-taking can promote initiation
• B. Adolescents are biologically immune to dependence
• C. Substances have no effect on developing brains
• D. All adolescents necessarily misuse drugs

Question 5 · difficulty L3 · understanding

$$\text { Match List I with List II: }$$ $$\text { List I (Drug) }$$ $$\text { List II (Effect) }$$ 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:

• A. A-III, B-II, C-IV, D-I
• B. A-II, B-III, C-I, D-IV
• C. A-II, B-III, C-IV, D-I
• D. A-III, B-II, C-I, D-IV

Question 6 · difficulty L3 · understanding

Match List I with List II: List - I List - II A. Cocaine I. Effective sedative in surgery B. Heroin II. Cannabis sativa C. Morphine III. Erythroxylum D. Marijuana IV. Papaver somniferum Choose the correct answer from the options given below:

• A. A-IV, B-III, C-I, D-II
• B. A-I, B-III, C-II, D-IV
• C. A-II, B-I, C-III, D-IV
• D. A-III, B-IV, C-I, D-II

Question 7 · difficulty L3 · understanding

Match List I with List II. List I List II (A) Heroin (I) Effect on cardiovascular system (B) Marijuana (II) Slow down body function (C) Cocaine (III) Painkiller (D) Morphine (IV) Interfere with transport of dopamine Choose the correct answer from the options given below:

• A. A-I, B-II, C-III, D-IV
• B. A-IV, B-III, C-II, D-I
• C. A-III, B-IV, C-I, D-II
• D. A-II, B-I, C-IV, D-III

Question 8 · difficulty L3 · application

Why is combining alcohol with other psychoactive substances especially risky?

• A. Their effects can intensify
• B. Alcohol neutralises all other drugs
• C. The substances always cancel one another
• D. Only the liver is affected

Question 9 · difficulty L4 · application

A person needs progressively larger amounts of a substance to obtain an effect similar to what a smaller amount once produced. This is called

• A. tolerance
• B. immunity
• C. vaccination
• D. metastasis

Question 10 · difficulty L4 · application

Why is combining alcohol with another central nervous system depressant particularly risky?

• A. Their depressant effects can add or reinforce one another, dangerously impairing breathing and consciousness
• B. The two always cancel each other
• C. Alcohol converts the other substance into a vitamin
• D. The combination prevents intoxication