Class XII · Biology practice

Human Health and Disease MCQs

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446 questions in this collection · Page 34 of 45

Question 331 of 446
📘 CLASS XII

Human Health And Disease

Smoking reduces the concentration of ____ oxygen in the blood, causing oxygen deficiency in the body.
Smoking increases carbon monoxide (CO) content and reduces the concentration of haembound oxygen.
Question 332 of 446
📘 CLASS XII

Human Health And Disease

Stress from pressures to excel in academics or ____ has played a significant role in persuading youngsters to try alcohol and drugs.
Stress, from pressures to excel in academics or examinations, has played a significant role.
Question 333 of 446
📘 CLASS XII

Human Health And Disease

The perception among youth that it is ____ or progressive to smoke, use drugs or alcohol is a major cause for starting these habits.
The perception among youth that it is ‘‘cool’’ or progressive promotes these habits.
Question 334 of 446
📘 CLASS XII

Human Health And Disease

Unstable or unsupportive family structures and ____ pressure are associated with drug and alcohol abuse among adolescents.
Unstable or unsupportive family structures and peer pressure are associated with abuse.
Question 335 of 446
📘 CLASS XII

Human Health And Disease

The feeling of well-being associated with drugs/alcohol, which drives people to take them repeatedly, is called ____.
Addiction is a psychological attachment to certain effects—such as euphoria and a temporary feeling of well-being.
Question 336 of 446
📘 CLASS XII

Human Health And Disease

Withdrawal syndrome is characterized by anxiety, shakiness, nausea and ____.
Withdrawal syndrome is characterised by anxiety, shakiness, nausea and sweating.
Question 337 of 446
📘 CLASS XII

Human Health And Disease

Immediate adverse effects of drugs and alcohol abuse are manifested in the form of reckless behaviour, vandalism and ____.
Immediate adverse effects are manifested in the form of reckless behaviour, vandalism and violence.
Question 338 of 446
📘 CLASS XII

Human Health And Disease

A warning sign of drug abuse among youth is a drop in ____ performance.
Drop in academic performance is one of the common warning signs of drug and alcohol abuse.
Question 339 of 446
📘 CLASS XII

Human Health And Disease

The adverse effects of drug/alcohol abuse are not restricted to the user but also cause mental and financial distress to their entire ____ and friends.
An addict becomes the cause of mental and financial distress to his/her entire family and friends.
Question 340 of 446
📘 CLASS XII

Human Health And Disease

The use of alcohol during adolescence may have long-term effects, potentially leading to ____ drinking in adulthood.
The use of alcohol during adolescence could lead to heavy drinking in adulthood.
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