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Human Health and Diseases MCQs for NEET — Zoology Questions with Answers

Practice free Human Health and Diseases (Zoology) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.

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Which of the following age ranges is generally considered the adolescence period, characterized by significant biological and behavioral changes?

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Explanation

According to the NCERT text, 'The period between 12-18 years of age may be thought of as adolescence period.' Adolescence is a bridge linking childhood and adulthood, accompanied by several biological and behavioral changes, making it a vulnerable phase.

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All of the following are common motivators for youngsters towards drug and alcohol use EXCEPT:

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Explanation

The NCERT text states: 'Curiosity, need for adventure and excitement, and experimentation, constitute common causes, which motivate youngsters towards drug and alcohol use.' Strong spiritual beliefs are not mentioned as a motivator for drug and alcohol use; in fact, they might act as a deterrent.

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Which of the following is NOT a warning sign of drug and alcohol abuse among youth?

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Explanation

The NCERT text lists 'lack of interest in personal hygiene' as a warning sign. Therefore, an 'increased interest in personal hygiene' would not be a warning sign but rather the opposite.

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Addiction is best described as a:

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Explanation

The NCERT text defines addiction as 'a psychological attachment to certain effects – such as euphoria and a temporary feeling of well-being – associated with drugs and alcohol. These drive people to take them even when these are not needed, or even when their use becomes self-destructive.'

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Dependence on drugs/alcohol is characterized by:

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Explanation

The NCERT text states: 'Dependence is the tendency of the body to manifest a characteristic and unpleasant withdrawal syndrome if regular dose of drugs/alcohol is abruptly discontinued. This is characterised by anxiety, shakiness, nausea and sweating...'

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Which of the following is a potential severe and life-threatening outcome of drug overdose, as mentioned in the text?

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Explanation

The NCERT text explicitly mentions: 'Excessive doses of drugs may lead to coma and death due to respiratory failure, heart failure or cerebral hemorrhage.'

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The use of tobacco stimulates the adrenal gland to release which hormones into the blood circulation, leading to increased blood pressure and heart rate?

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Explanation

The NCERT text states: 'Nicotine stimulates adrenal gland to release adrenaline and nor-adrenaline into blood circulation, both of which raise blood pressure and increase heart rate.'

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An adolescent who is unable to get money to buy drugs/alcohol may turn to stealing. This illustrates the far-reaching implication of drug/alcohol abuse regarding:

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Explanation

The NCERT text notes: 'If an abuser is unable to get money to buy drugs/alcohol he/she may turn to stealing.' This directly contributes to 'social adjustment problems' as mentioned in the context of dependence and its effects.

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Which of these contributes to the perception among youth that using drugs/alcohol is 'cool' or progressive?

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Explanation

The NCERT text states: 'Television, movies, newspapers, internet also help to promote this perception' that it is ‘cool’ or progressive to smoke, use drugs or alcohol.

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The addictive potential of drugs and alcohol can pull the user into a vicious circle leading to their regular use. What is a key factor that increases this likelihood, as explained by the body's response?

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Explanation

The NCERT text explains: 'With repeated use of drugs, the tolerance level of the receptors present in our body increases. Consequently the receptors respond only to higher doses of drugs or alcohol leading to greater intake and addiction.'

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