Human Health And Disease MCQ With Answers For Class 12 Biology

Question 1. Growth of the population of an area depends upon:

1. Natality rate
2. Immigration
3. Environmental resistance
4. All of these.

Answer: 4. All of these.

Question 2. In India, there is a decline in the female population as compared to males. This is because of:

1. Female infanticide
2. Fewer females reach reproductive age
3. The number of female children born is less
4. All the above.

Answer: 1. Female infanticide

Question 3. Woman plays a greater role in procreation than man (women are biologically superior to men) because they:

1. Nurses the foetus in her womb
2. Feeds the infant on her milk
3. Cleans infant’s excreta
4. Does all the above.

Answer: 4. Does all the above?

Question 4. Which of the following causes the storage of fat in the liver?

1. Amphetamines
2. Barbiturates
3. All synthetic drugs
4. Alcohol.

Answer: 4. Alcohol.

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Question 5. Depression in the activities of central nervous system may be caused by:

1. Narcotics
2. Stimulants
3. Both narcotics as well as stimulants
4. Neither narcotics nor stimulants.

Answer: 1. Narcotics

Question 6. Which of the following is not a derivative of opium?

1. Morphine
2. Heroin
3. Cocaine
4. Codein.

Answer: 3. Cocaine

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Question 7. Which of the following is not obtained from Cannabis indica?

1. Marijuana
2. Bhang
3. Charas
4. Ganja.

Answer: 1. Marijuana

Question 8. The drug extracted from Argot fungus is:

1. Pethidine
2. Methadone
3. L.S.D.
4. Opium.

Answer: 3. L.S.D.

Question 9. Which of the following drugs is responsible for the production of an abnormal foetus?

1. L.S.D.
2. Cocaine
3. Heroin
4. Alcohol.

Answer: 1. L.S.D.

Question 10. Match the words in Column A with those in Column B

1. (1-E), (2-B), (3-A) and (4-C)
2. (1-D), (2-A), (3-C), and (4-E)
3. (1-D), (2-A), (3-E) and (4-B)
4. (1-D), (2-E), (3-A) and (4-B).

Answer: 2. (1-D), (2-A), (3-C), and (4-E)

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Question 11. Consumption of alcohol causes:

1. Dilation of blood vessels
2. Constriction of blood vessels
3. Both of the above
4. None of the above.

Answer: 1. Dilation of blood vessels

Question 12. LSD is obtained from:

1. Papaver somniferum
2. Cannabis sativa
3. Claviceps
4. Solanum nigrum.

Answer: 3. Claviceps

Question 13. Morphine is obtained from:

1. Papaver somniferum
2. Cannabis sativa
3. Claviceps
4. None of the above.

Answer: 1. Claviceps

Question 14. Barbiturates and valium area

1. Stimulants
2. Sedatives
3. Hallucinogens
4. Carcinogens.

Answer: 2. Sedatives

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Question 15. Which one of the following is the most harmful derivative of opium?

1. Codein
2. Pethidine
3. Methadone
4. Heroin.

Answer: 4. Heroin.

Question 16. Tobacco smoke contains

1. CO₂, hydrocarbon and tar
2. CO₂ and tar
3. CO₂ polycyclic aromatic hydrocarbon and tar.
4. CO₂, CO and tar.

Answer: 3. CO₂, polycyclic aromatic hydrocarbon and tar.

Question 17. Neuritis is an inflammation of:

1. Only axon
2. Entire neuron
3. Only cyton
4. Only dendrites.

Answer: 1. Only axon

Question 18. Mental health is influenced by:

1. Biological factors
2. Social factors
3. Both (1) and (2)
4. Economic factors.

Answer: 3. Both (1) and (2)

Question 19. Barbiturates are extensively used as:

1. Antiseptics
2. Stimulants
3. Disinfectants
4. Sedatives.

Answer: 4. Sedatives.

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Question 20. The most important organ damaged by alcohol is:

1. Heart
2. Brain
3. Lung
4. Liver.

Answer: 4. Liver.

Question 21. A severe type of mental illness in which patients lose touch with reality is known as:

1. Psychosis
2. Neurosis
3. Epilepsy
4. All of the above.

Answer: 1. Psychosis

Question 22. Bhang, charas, marijuana and hashish are obtained from:

1. Nicotiana plant
2. Papaver somniferum
3. Cannabis sativa
4. None of the above.

Answer: 3. Cannabis sativa

Question 23. The continuous and excessive intake of alcohol causes:

1. Fatty liver syndrome
2. Cirrhosis
3. Hypertension
4. All of the above.

Answer: 4. All of the above.

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Question 24. Which of the following diseases are included under the global immunisation programme launched by WHO?

1. Diphtheria, whooping cough, tetanus, polio, tuberculosis and measles
2. Diphtheria, pertussis, tetanus, measles, polio and mumps
3. Pertussis, tuberculosis, tetanus, mumps, malaria and measles
4. Diphtheria, tetanus, tuberculosis, smallpox and measles.

Answer: 1. Diphtheria, whooping cough, tetanus, polio, tuberculosis and measles

Question 25. Which of the following compounds can alter a person’s thoughts, feelings and perceptions?

1. LSD
2. Mescalin and psilocybin
3. ganja
4. All of the above

Answer: 4. All of the above

Question 26. Seizure is a condition of:

1. Mood fluctuation
2. Epileptic attack
3. Trembling caused by mental sickness
4. Tremor of limbs in Parkinson’s disease.

Answer: 2. Epileptic attack

Question 27. Paralysis agitans was discovered by:

1. Parkinson
2. Huntington
3. Waller
4. Einthoven.

Answer: 1. Parkinson

Question 28. ECTis:

1. Electro-cardio-traction
2. Electro convulsive therapy
3. Emergency cardiac treatment
4. Effects of chewing tobacco.

Answer: 2. Electroconvulsive therapy

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Question 29. Mental diseases can be treated by:

1. Shock treatment
2. Psychotherapy
3. Social therapy
4. All of the above.

Answer: 4. All of the above.

Question 30. The universal immunisation programme was launched in:

1. 1947
2. 1990
3. 1985
4. 1975.

Answer: 3. 1985

Question 31. Global Immunisation Programme was started in:

1. May, 1974
2. May, 1984
3. August, 1985
4. May, 1963.

Answer: 1. May, 1974

Question 32. Project Pulse Polio is concerned with

1. Eliminating polio by 2000
2. Widespread attack of polio in certain pockets
3. Segregation of polio-prone areas
4. Repeated vaccination for polio.

Answer: 1. Eliminating polio by 2000

Question 33. Any drug which is taken intravenously is called:

1. 1-drug
2. 2-drug
3. 3-drug
4. 4-drug.

Answer: 4. 4-drug.

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Question 34. Select the vitamin deficiency reported in an alcoholic:

1. A
2. D
3. E
4. K.

Answer: 1. A

Question 35. Ciliotoxin present in tobacco smoke is:

1. Acrolein
2. Formaldehyde and acetaldehyde
3. Nitrogen oxides
4. All the above.

Answer: 4. All the above.

Question 36. The most serious form of mental illness is:

1. Neurosis
2. Psychosis
3. Epilepsy
4. Cancer.

Answer: 2. Psychosis

Question 37. Nicotine derived from tobacco plants is:

1. Steroid
2. Glycoproteins
3. Lipoproteins
4. Alkaloid.

Answer: 4. Alkaloid.

Question 38. Any chemical which causes loss of sensation is:

1. Sedative
2. Analgesic
3. Anaesthetic
4. Stimulant.

Answer: 3. Anaesthetic

Question 39. Tobacco smoke causes inflammation of lung alveoli and causes:

1. Bronchitis
2. Lung cancer
3. Pulmonary TB
4. Emphysema.

Answer: 4. Emphysema

Question 40. In an alcoholic, urine is generally:

1. Hypo-osmotic
2. Hyper-osmotic
3. Iso-osmotic
4. None of these.

Answer: 2. Hyper-osmotic

Question 41. Which of the following chemicals is derived from urea malonic acid and used in inducing sleep?

1. Diazepam
2. Benzodiazepine
3. Barbiturate
4. Amphetamine.

Answer: 3. Barbiturate

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Question 42. Select the correct statement from the ones given below:

1. Morphine is often given to persons who have undergone surgery as a painkiller
2. Cocaine is given to patients after surgery as it stimulates recovery)
3. Chewing tobacco lowers blood pressure and heart rate
4. Barbiturates when given to criminals make them tell the truth.

Answer: 1. Morphine is often given to persons who have undergone surgery as a painkiller