Human Health And Disease Class 12 Multiple Choice Questions

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NEET Biology Human Health And  Common Human Diseases Multiple Choice Questions And Answers

Question 1. Common examples of allergens are mites in dust, pollens, and animal dander. Allergy is due to the release of chemicals such as:

  1. IgF
  2. Histamine
  3. Colostrum
  4. Histamine and serotonin

Answer: 4. Histamine and serotonin

Question 2. Which of the following is an autoimmune disease?

  1. Gout
  2. Rheumatoid arthritis
  3. Diabetes inspires
  4. SCID.

Answer: 2. Rheumatoid arthritis

Question 3. BCG vaccine is given against:

  1. Typhoid
  2. Cholera
  3. TB
  4. Diphtheria.

Answer: 3. Diphtheria.

Question 4. Which of the following is a symptom(s) of ascariasis?

  1. Muscular pain and fever
  2. Internal bleeding and anaemia
  3. Blockage of intestinal passage
  4. All the above.

Answer: 4. All the above.

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Question 5. The appearance of dry, scaly lesions on various parts of the body such as skin, nails and scalp accompanied by intense itching. This disease is caused by:

  1. Epidermophyton
  2. Microsporum
  3. Trichophyton
  4. All the above.

Answer: 4. All the above.

Human Health And Disease Class 12 MCQs

Human Health and Disease MCQs with Answers Question 6. Elephantiasis or filariasis is caused by Wuchereria bancrofti and W. malayi. The major symptoms are

  1. Chronic inflammation of lymphatic vessels of lower limbs
  2. Deformities of genital organs
  3. Swelling of scrotum
  4. All the above.

Answer: 4. All the above.

Human Health And Disease Mcq For Neet

Question 7. Sporozoites of malarial parasite on entering the blood first attack:

  1. RBCs
  2. Liver cells
  3. Blood platelets
  4. WBCs

Answer: 2. Liver cells

Question 8. Who is the initiator of the ‘Lab to Land’ concept?

  1. M.S. Swaminathan
  2. Norman Borlaug
  3. G.S. Khush
  4. G.S. Randhawa.

Answer: 1. M.S. Swaminathan

Question 9. In pneumonia, symptoms include fever, cough, chills, and headache, and lips and fingers may turn grey to blue colour. It is caused by

  1. Streptococcus pneumonia
  2. Haemophilus influenza
  3. Aedes
  4. Both (1) and (2).

Answer: 4. Both (1) and (2).

Question 10. The proteins produced by B-lymphocytes in response to pathogens are called

  1. Antigens
  2. Interferons
  3. Antibodies
  4. PMNL.

Answer: 3. PMNL.

Question 11. Japenese elephantiasis is transmitted by:

  1. Housefly
  2. Tse-tse fly
  3. Phlebotomus
  4. Mosquito.

Answer: 4. Mosquito

Question 12. Select the correct statement:

  1. Barbiturates when given to criminals make them tell the truth
  2. Morphine is Olien given to persons who have undergone surgery as a painkiller
  3. Chewing tobacco lowers blood pressure and heart rate
  4. Cocaine is given to patients who have undergone surgery and recovering slowly.

Answer: 2. Morphine is Olien given to persons who have undergone surgery as a pain killer

Question 13. A patient is suspected to be suffering from acquired immune deficiency syndrome. Which diagnostic technique will you recommend for its detection?

  1. ELISA
  2. MRI
  3. Ultrasound
  4. Widal

Answer: 1. ELISA

Human Health And Disease Mcq For Neet

Question 14. The side effects of the use of anabolic steroids in females are

  1. Aggressiveness
  2. Masculinisation
  3. Enlargement of clitoris and deepening of voice
  4. All the above

Answer: 4. All the above
.
Question 15. At what stage does HIV infection usually show symptoms of AIDS

  1. When the infecting retrovirus enters host cells
  2. When viral DNA is produced by reverse transcriptase
  3. Within 15 days of sexual contact with an infected person
  4. When HIV replicates rapidly in the helper T- lymphocytes and damages a large number of these.

Answer: 4. When HIV replicates rapidly in the helper T-lymphocytes and damages a large number of these.

Question 16. Antigens are:

  1. The micro-organisms which are the source of disease in the body
  2. A foreign body which is harmful to the animal and evokes the generation of antibodies
  3. The substance generated in the body in response to the infection
  4. None of these.

Answer: 2. A foreign body which is harmful to the animal and evokes the generation of antibodies

Question 17. Koch’s postulates include which of the following?

  1. The organism must be regularly found in the body of the patient
  2. Must be isolated and grown in an artificial medium
  3. When the culture is inoculated into the healthy person it must cause disease and can be recovered again
  4. All the above.

Answer: 4. All the above.

Question 18. Reservoir of infection is:

  1. Site where pathogens reside without causing any damage
  2. Soil, water and air
  3. Another animal
  4. Another person who is suffering.

Answer: 1. Site where pathogens reside without causing any damage

Human Health And Disease Class 12 Mcq

Question 19. Antibodies fight against:

  1. Starvation
  2. Stress
  3. Thirst
  4. Infection.

Answer: 4. Infection.

Human Health and Disease NEET Questions Question 20. The humoral immune system consists of:

  1. A family of diverse proteins present in body fluids
  2. Some special types of cells destroy the pathogens
  3. Both cells as well as polysaccharides
  4. All the above.

Answer: 1. A family of diverse proteins present in body fluids

Question 21. How many principal lines of defence are present in the body?

  1. Two
  2. Three
  3. Five
  4. Innumerable.

Answer: 2. Three

Question 22. Which of the following is a correct statement?

  1. B-cells directly engulf the pathogenic bacteria
  2. B-cells produce antibodies soon after they are produced
  3. B-cells produce a large clone of plasma cells soon after it is formed
  4. The B-cells produce the plasma cells in the body only after they are triggered by a specific antigen.

Answer: 4. The B-cells produce the plasma cells in the body only after they are triggered by a specific antigen.

Question 23. Antiserum is a serum containing:

  1. Antigens
  2. Leucocytes
  3. Active antibodies
  4. None of the above.

Answer: 3. Active antibodies

Question 24. Interferon is a glycoprotein which possesses:

  1. Antiviral activity
  2. Antifungal activity
  3. Antiparasitic activity
  4. Antibacterial activity.

Answer: 1. Antiviral activity

Neet Mcqs On Human Health And Disease With Answers

Question 25. Antibodies are:

  1. A large family of protein molecules produced by the body’s defence cells in the body fluids neutralise the antigens
  2. The chemicals produced by the invading microbes destroy and damage the body’s cells
  3. Certain substances enclosed in lymphocytes
  4. None of the above.

Answer: 1. A large family of protein molecules produced by the body’s defence cells in the body fluids which neutralise the antigens

Question 26. The mode of transmission of communicable diseases is dealt by a branch of science named:

  1. Epidemiology
  2. Immunology
  3. Aetiology
  4. Angiology.

Answer: 1. Epidemiology

Question 27. The degree of pathogenicity is called:

  1. Infestation
  2. Infection
  3. Virulence
  4. Resistance.

Answer: 3. Virulence

Question 28. Which one of the following diseases is caused by bacteria?

  1. Chicken-pox
  2. Poliomyelitis
  3. Measles
  4. Tetanus.

Answer: 4. Tetanus.

Question 29. Which one of the following communicable diseases is not caused by bacteria?

  1. Diphtheria
  2. Typhoid
  3. Leprosy
  4. Poliomyelitis.

Answer: 4. Poliomyelitis.

Question 30. The causative organism of cholera is a:

  1. Bacterium
  2. Protozoan
  3. Nematode
  4. Virus.

Answer: 1. Bacterium

Neet Mcqs On Human Health And Disease With Answers

Question 31. Tetanus is caused by:

  1. Bacterium
  2. Fungus
  3. Protozoan
  4. Virus.

Answer: 1. Bacterium

Question 32. Poliomyelitis is caused by

  1. Bacteria
  2. Virus
  3. Protozoan
  4. Nematodes.

Answer: 2. Virus

Question 33. AIDS is caused by:

  1. Cocci
  2. Bacilli
  3. TMV
  4. HIV.

Answer: 4. HIV.

Question 34. Invention and study of the effects of medicines on the organism is known as:

  1. Toxicology
  2. Pharmacology
  3. Pharmacy
  4. Haematology.

Answer: 2. Pharmacology

Question 35. DPT vaccine is given to infants to immunize them against:

  1. Diphtheria, pneumonia and typhoid
  2. Diphtheria, whooping cough and tetanus
  3. Diarrhoea, pneumonia and tuberculosis
  4. Diphtheria, whooping cough and typhoid.

Answer: 2. Diphtheria, whooping cough and tetanus

Question 36. Dengue fever is caused by:

  1. Bacteria
  2. Plasmodium
  3. Virus
  4. Entamoeba histolytica.

Answer: 3. Virus

Question 37. Vims cause contagious epidemic disease with high fever and a rash all over the body. Its incidence is among children. It’s one attack that gives immunity. Which one is of the following?

  1. Mumps
  2. Plague
  3. Brain fever
  4. Measles.

Answer: 4. Measles.

Question 38. Syphilis is a venereal disease. It is caused by:

  1. Neisseria
  2. Vibrio
  3. Corynebacterium
  4. Treponema pallidum.

Answer: 4. Treponema pallidum.

MCQs on Human Health and Diseases Question 39. The contagious diseases are:

  1. Measles
  2. Chickenpox
  3. Whooping cough
  4. All the above.

Answer: 4. All the above.

Common Human Diseases Mcqs For Neet

Question 40. Where are the gametocytes of Plasmodium first formed and found?

  1. Liver of man
  2. Stomach of female mosquito
  3. Blood of man
  4. RBC of the blood of man.

Answer: 4. RBC of the blood of man.

Question 41. Entamoeba histolytica has:

  1. Well developed pseudopodia
  2. Contractile vacuole
  3. Both (1) and (2)
  4. None of the above.

Answer: 4. None of the above

Question 42. Which mosquito actually transmits malaria and acts as an intermediate host of Plasmodium?

  1. Male Anopheles
  2. Female Anopheles
  3. Male Culex
  4. Female Culex.

Answer: 2. Female Anopheles

MCQs on Human Health and Diseases Question 43. The credit of working out the complicated life cycle of Plasmodium goes to:

  1. Louis Pasteur
  2. John Snow
  3. Robert Koch
  4. Ronald Ross.

Answer: 4. Ronald Ross.

Question 44. The symptoms of Malaria fever appear at their peak in a patient when:

  1. Sporozoites enter liver
  2. Merozoites enter red blood cells
  3. Red blood cells rupture and haemozoin is released
  4. Gametocytes are formed.

Answer: 3. Red blood cells rupture and haemozoin is released

Question 45. Which of the following worms is viviparous?

  1. Wuchereria bancrofti
  2. Ancylostoma dudoenale
  3. Ascaris lumbricodes
  4. Taenia solium.

Answer: 1. Wuchereria bancrofti

Question 46. The infective stage of plasmodium is:

  1. Trophozoite
  2. Sporozoite
  3. Merozoite
  4. Schizont.

Answer: 2. Sporozoite

Question 47. A chronic contagious eye disease, caused by a virus is called:

  1. Thrombosis
  2. Myopia
  3. Conjunctivitis
  4. Night blindness.

Answer: 3. Conjunctivitis

Question 48. The region of the body where the poliomyelitis virus multiplies is:

  1. Nerve cells
  2. Muscle cells
  3. Intestinal cells
  4. None of the above.

Answer: 1. Nerve cells

Question 49. The disease Tilariasis’ is caused by the worm:

  1. Wuchereria bancrofti
  2. Ancylostoma duodenale
  3. Trichinella spiralis
  4. Enterobius vermicularis.

Answer: 1. Wuchereria bancrofti

Common Human Diseases Mcqs For Neet

Question 50. The mode of transmission of the disease Filariasis is:

  1. Bite of mosquito
  2. Eating unwashed eatables
  3. Eating unripe Pork
  4. Both (2) and (3).

Answer: 1. Bite of mosquito

Question 51. Which mosquito aids in the transmission of the disease filariasis?

  1. Male Anopheles
  2. Female Anopheles
  3. Culex
  4. Both (1) and (2).

Answer: 3. Culex

Question 52. A disease characterised by chronic sleeplessness is:

  1. Insomnia
  2. Jaundice
  3. Sleeping sickness
  4. Nervous breakdown.

Answer: 1. Insomnia

Question 53. Trachoma is caused by the infection of:

  1. Virus
  2. Fungus
  3. Nematode
  4. Bacterium.

Answer: 1. Virus

Question 54. Chickenpox can be easily identified from measles due to the:

  1. High fever
  2. Irritation all over the skin
  3. Dew drop-like rashes
  4. Sneezing and water discharge from the nose.

Answer: 3. Dew drop-like rashes

Question 55. Varicella virus causes:

  1. Smallpox
  2. Chickenpox
  3. Measles
  4. Influenza

Answer: 2. Chickenpox

Question 56. Elephantiasis is caused by:

  1. Tapeworm
  2. Wuchereria
  3. Ascaris
  4. Culex.

Answer: 2. Wuchereria

Question 57. The incubation period of smallpox is:

  1. 2 days
  2. 12 days
  3. 12 hours
  4. 2 to 12 days.

Answer: 2. 12 days

Question 58. The infective period of enteric fever is:

  1. 6 hours
  2. 6 days
  3. 6 weeks
  4. 6 minutes.

Answer: 2. 6 days

Common Human Diseases Mcqs For Neet

Question 59. Protection against poliomyelitis and tetanus is done simultaneously by:

  1. Sulpha drugs
  2. Gamma globulin inoculation
  3. Multiple vaccines
  4. Pasteur treatment.

Answer: 3. Multiple vaccine

Question 60. After floods, the victims are usually attacked by:

  1. Appendicitis
  2. Peritonitis
  3. Rabies
  4. Cholera.

Answer: 4. Cholera.

 

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