Tag: biology in human welfare

Questions Related to biology in human welfare

Which of the following drugs are often abused?
a. Barbiturates             b. Amphetamines
c. Benzodiazepines     d. LSD

  1. a, b, and c

  2. b, c and d

  3. a, c and d

  4. a, b, c and d


Correct Option: A
Explanation:

  • Barbiturates are sedative-hypnotic drugs that were once commonly used as sedatives or anti-anxiety medications. Some people abuse barbiturates because they desire the pleasant psychoactive effects of these drugs, which are similar to those of alcohol. These effects include making the user feel happy, more relaxed, talkative and less inhibited.
  • Amphetamines are the CNS stimulants prescribed for the treatment of narcolepsy, hyperactivity, asthma. Amphetamines are often abused for their ability to suppress appetite. Its misuse may have a devastating and long-lasting possibly permanent impact on the person abusing them.
  • Benzodiazepines are a class of sedative drugs administered for the relief of symptoms associated with anxiety, panic disorders, seizures, muscle spasms and alcohol withdrawal. They depress CNS resulting in sedation and feeling of relaxation.
  • Lysergic acid diethylamide (LSD) belongs to a group of drugs known as hallucinogens. A person does not experience physical withdrawal symptoms when they stop using LSD.
So, the correct answer is 'a, b, c and d'.

The drug morphine is extracted from ____________ plant

  1. Cocoa

  2. Belladonna

  3. Opium Poppy

  4. Tannin


Correct Option: C

Sedatives and tranquillisers are also called

  1. Stimulants

  2. Depressants

  3. Hallucinogens

  4. Pain killers


Correct Option: B
Explanation:
Sedatives and tranquilizes are depressants of CNS (Central nervous system).They reduce excitement and pain. They slow activity of brain and lower the functional or physiological activity that leads to drowsiness or sleep. They have a calming effect and are used to treat anxiety and tension. They are sold under medical prescription only.
So, the correct answer is 'Depressants'.

The drug belladonna is obtained from

  1. Atropa

  2. Opium

  3. Rauwolfia

  4. Solanum


Correct Option: A
Explanation:

Atropa bellandona produces the drug belladona. It is an alkaloid which is atropine and hyoscyamine. The leaves and root contain the alkaloid. It is used to cure and relieve pain.

Opium is obtained from the latex of unripe fruits of

  1. Cannabis sativa

  2. Papaver somniferum

  3. Erythroxylon coca

  4. Camellia sinensis


Correct Option: B
Explanation:

Opium is the dried latex obtained from the opium poppy (Papaver somniferum). Opium latex contains approximately 12% of the analgesic alkaloid morphine, which is processed chemically to produce heroin and other synthetic opioids for medicinal use and for the illegal drug trade. The latex also contains the closely related opiates codeine and thebaine and non-analgesic alkaloids, such as papaverine and noscapine. Thus, the correct answer is option B.

Which one of the following is the correct statement regarding the particular psychotropic drug specified?

  1. Opium stimulates nervous system and causes hallucinations

  2. Morphine leads to delusions and disrubed emotions

  3. Barbiturates cause relaxation and temporary euphoria

  4. Hashish causes after thought perceptions and hallucinations


Correct Option: C

The drug which does not have sedative effect but along with alcohol produces marked drowsiness is

  1. Barbiturate

  2. Valium

  3. Antihistamine

  4. Marijuana


Correct Option: C
Explanation:
Antihistamines are medicines often used to relieve symptoms of allergies, such as hay fever, hives, conjunctivitis and reactions to insect bites or stings.
They're also used to prevent motion sickness and as a short-term treatment for sleeping difficulties (insomnia). It's best to avoid alcohol while taking an antihistamine, particularly if taking an older type of antihistamine, as this can increase the chances of it making you feel sleepy.
So the correct answer is 'Antihistamine'.

Benzodiazepines are

  1. Antipsychotic

  2. Antidepressant

  3. Antianxiety

  4. Both A and B


Correct Option: C
Explanation:
Benzodiazepines are drugs used to treat anxiety. They are psychoactive drugs. They are also used to treat conditions like insomnia or lack of sleep. They have sedative and hypnotic effects. They are mild tranquilizers and are prescribed by doctor to get relief from stress and anxiety. They are components of sleeping pills because they have sleep inducing effects. Hence, benzodiazepines are antianxiety drugs.
So, the correct answer is 'Antianxiety'.

Psychotropic drugs

  1. Are mood altering drugs

  2. Treat mental illness

  3. Increase physical activity

  4. Decrease physical activity


Correct Option: A
Explanation:
Psychotropic drugs cause psychosis in which thoughts and emotions of a person are affected to such an extent that contact is lost with reality. The people interpret the things around them in a different way. These drugs act on brain and are also called as mood altering drugs. Repeated use of these drugs leads to addiction. These drugs include antianxiety and antipsychotic drugs.
So, the correct answer is 'Are mood altering drugs'.

The drug that functions as depressants of CNS is

  1. Amphetamine

  2. Caffeine

  3. Opium

  4. Cocaine


Correct Option: C
Explanation:
Opium is dried latex of unripen capsular fruits of Papaver somniferum (commonly known as poppy plant). Many opiates or opioids are derived from opium. Opiates have analgesic, narcotic and sedative effects. They are depressants of CNS (Central nervous system). They slow down respiratory activities, constrict pupil of eye, impair digestion, produce nausea and vomiting and cause sterility.
So, the correct answer is 'Opium'.