Common Diseases in Humans
Multiple Choice Questions and Answers
1. The rabies virus consists of
(a) D. S. D N A
(b) D. S. R N A
(c) S. S. D N A
(d) S. S. R N A
Answer: (d) S. S. R N A
2. Which of the following cause plague?
(a) Salmonella typhi
(b) Yersinia pestis
(c) Trichinella spiralis
(d) Leishmania donovani
Answer: (b) Yersinia pestis
3. Edward Jenner discovered
(a) immunization against small pox
(b) vaccination against small pox
(c) immunization against chicken pox
(d) vaccination against chicken pox
Answer: (b) vaccination against small pox
4. Food poisoning is caused by
(a) E. coli
(b) Clostridium botulinum
(c) Salmonella typhi
(d) Bacillus megatherium
Answer: (b) Clostridium botulinum
5. Which of the following sets includes bacterial diseases?
(a) Diphtheria, leprosy, plague
(b) Cholera, typhoid, mumps
(c) Malaria, mumps, polio
(d) Tetanus, tuberculosis, measles
Answer: (a) Diphtheria, leprosy, plague
6. DTP triple antigen is
(a) vaccine against tetanus, whooping cough, pertusis and diphtheria
(b) vaccine against polio, rabies and hepatitis
(c) vaccine against malaria, typhoid and cancer
(d) none
Answer: (a) vaccine against tetanus, whooping cough, pertusis and diphtheria
7. Mumps is
(a) viral disease
(b) bacterial disease
(c) fungal disease
(d) protozoan disease
Answer: (a) viral disease
8. What is a water-borne disease among the following?
(a) Tuberculosis
(b) Cholera
(c) Malaria
(d) Smallpox
Answer: (b) Cholera
9. Causative agent of tuberculosis is
(a) Pneumococcus
(b) Mycobacterium
(c) Salmonella
(d) Streptomyces
Answer: (b) Mycobacterium
10. Influenza virus contains
(a) RNA
(b) DNA
(c) both DNA and RNA
(d) only proteins, no nucleic acids
Answer: (a) RNA
11. A patient suffering from cholera is given saline drip because
(a) chloride ions help in the formation of HCL in stomach for digestion
(b) chloride are important component of blood plasma
(c) sodium ions are important in transport of substances across membrane
(d) sodium ions help to retain water in the body
Answer: (d) sodium ions help to retain water in the body
12. Diphtheria is caused by
(a) poison released by virus into the host tissues
(b) poisons released by dead bacterial cells into the host tissues
(c) poisons released by living bacterial cells into the host tissues
(d) excessive immune response by host body
Answer: (c) poisons released by living bacterial cells into the host tissues
13. Which of the following diseases is now considered nearly eradicated from India?
(a) Cholera
(b) Measles
(c) Typhoid
(d) Diptheria
Answer: (b) Measles
14. Which among the following diseases is now considered nearly nearly eradicated from India?
(a) Poliomylitis
(b) Small-pox
(c) Plague
(d) Kala azar
Answer: (b) Small-pox
15. An antiviral substance known to prevent synthesis of new virus in the cell is known as
(a) antibody
(b) inferno
(c) interferon
(d) transferon
Answer: (c) interferon
16. Which of the following diseases is spread by mosquito but not caused by virus?
(a) yellow fever
(b) dengue fever
(c) filariasis
(d) encephalitis
Answer: (c) filariasis
17. Haemorrhagic dengue fever is spread by
(a) Aedes fluviatilis
(b) Aedes albimanus
(c) Aedes aegypti
(d) Aedes meristica
Answer: (c) Aedes aegypti
18. Salmonella typhosa causes
(a) pneumonia
(b) typhoid
(c) influenza
(d) whooping cough
Answer: (b) typhoid
19. The names of James Phipps and Ali Marvow are related to the viral disease which no longer exists in India, it is
(a) chicken pox
(b) cow pox
(c) small pox
(d) tuberculosis
Answer: (c) small pox
20. Filariasis is transmitted by
(a) mosquito
(b) housefly
(c) fruit fly
(d) bed bug
Answer: (a) mosquito
21. What is common between plague, cholera and polio?
(a) all are communicable disease
(b) all are viral diseases
(c) all are bacterial diseases
(d) none
Answer: (a) all are communicable disease
22. Black water diseases caused by
(a) Plasmodium vivax
(b) Plasmodium malariae
(c) Plasmodium falciparum
(d) none
Answer: (c) Plasmodium falciparum
23. In Christmas disease patients lacks antihaemophilic
(a) factor XI inhibitor
(b) factor IX
(c) homogentisic acid
(d) factor VIII
Answer: (b) factor IX
24. Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to
(a) vitamin A toxicity
(b) kidney stones
(c) hypercholesterolemia
(d) urine laden with ketone bodies
Answer: (c) hypercholesterolemia
25. Marasmus disease is caused due to
(a) protein deficiency
(b) obesity
(c) deficiency of vitamins
(d) dwarfism
Answer: (a) protein deficiency
26. Which water and disease are correctly matched?
(a) Sandfly- sleeping sickness
(b) Anopheles– malaria
(c) Culex– yellow fever
(d) Tse tse fly-oriental sore
Answer: (b) Anopheles– malaria
27. Kala azar is caused by
(a) Leishmania tropica
(b) Leishmania donovani
(c) Leishmania orientalis
(d) Trypanosoma gambiense
Answer: (b) Leishmania donovani
28. Which of them is transmitted through the serum in man?
(a) hepatitis A
(b) hepatitis B
(c) veneral disease
(d) cirrhosis
Answer: (b) hepatitis B
29. Albinism is caused by deficiency of
(a) tyrosinase
(b) amylase
(c) phenyl alanine
(d) xanthene oxidase
Answer: (a) tyrosinase
30. Ischihara chart is used to detect
(a) colour blindness
(b) diabetes
(c) T.B.
(d) eyesight
Answer: (a) colour blindness
31. Which of the following disease is caused due to virus?
(a) polio
(b) tetanus
(c) malaria
(d) cholera
Answer: (a) polio
32. The disease tetanus is also known as
(a) gangrene
(b) shingles
(c) lockjaw
(d) whooping cough
Answer: (c) lockjaw
33. Which insect transmits the disease Kala-azar?
(a) Phlebotomus
(b) Glossinia
(c) Musca
(d) Aedes
Answer: (a) Phlebotomus
34. Which of the following sexually transmitted disease is matched with its real pathogen?
(a) Urithritis- Bacillus anthracic
(b) Syphilis- Treponema pallidum
(c) Gonorrhoea-Entamoeba
(d) Soft sore- Bacillus brevis
Answer: (b) Syphilis- Treponema pallidum
35. Night blindness is caused due to deficiency of
(a) Vitamin B
(b) Vitamin A
(c) Vitamin K
(d) Vitamin E
Answer: (b) Vitamin A
36. The pathogen and vector of the malarial parasite respectively are
(a) Plasmodium and Anopheles
(b) Trypanosoma and Culex
(c) Leishmania and sand fly
(d) Wuchereria and Culex
Answer: (a) Plasmodium and Anopheles
37. Entamoeba histolytica differs from Amoeba proteus absence of
(a) contractile vacuoles
(b) pseudopodia
(c) binary fission
(d) multiple fission
Answer: (a) contractile vacuoles
38. Which species found in South America and West Africa is least harmful?
(a) Plasmodium ovale
(b) Plasmodium vivax
(c) Plasmodium falciparum
(d) Plasmodium malariae
Answer: (a) Plasmodium ovale
39. Increased asthmatic attacks in certain regions are related to
(a) low temperature
(b) hot and humid environment
(c) eating fruits preserved in the tin containers
(d) inhalation of seasonal pollen
Answer: (d) inhalation of seasonal pollen
40. Alzhimer disease in humans is associated with the deficiency of
(a) glutamic acid
(b) acetylcholine
(c) gamma aminobutyric acid
(d) dopamine
Answer: (d) dopamine
41. Ringworm in humans is caused by
(a) viruses
(b) bacteria
(c) fungi
(d) nematodes
Answer: (c) fungi
42. Motile zygote of Plasmodium occurs in
(a) salivary glands of Anopheles
(b) human RBCs
(c) human live
(d) gut of female Anopheles
Answer: (d) gut of female Anopheles
43. Widal test is carried out to test
(a) Diabetes mellitus
(b) HIV/AIDS
(c) Typhoid fever
(d) Malaria
Answer: (c) Typhoid fever
44. Common cold differs from pneumonia in that
(a) pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold is more effective vaccine
(b) pneumonia is caused by a virus while the common cold is caused by bacterium Haemophilus influenzae
(c) pneumonia pathogen infects alveoli where as the common cold affects nose and respiratory passages but not the lungs
(d) pneumonia is a communicable disease where as common cold is a nutritional deficiency disease
Answer: (c) pneumonia pathogen infects alveoli where as the common cold affects nose and respiratory passages but not the lungs
45. Diabetes mellitus is caused due to
(a) underproduction of insulin
(b) underproduction of glycogen
(c) overproduction of insulin
(d) overproduction of glycogen
Answer: (a) underproduction of insulin
46. Hypoxia corresponds to
(a) any change in the active rates of development of different cell lines in body
(b) hardening and loss of elasticity of arteries
(c) deficiency of oxygen in body tissues
(d) sudden interruption of the blood flow to a portion of brain due to blockage of cerebral blood vessel
Answer: (c) deficiency of oxygen in body tissues
47. Leishmania donovani causes the disease
(a) Kala-azar
(b) Malaria
(c) T.B
(d) None
Answer: (a) Kala-azar
48. Metronidazole drug is given for the treatment of
(a) amoebiasis
(b) ascariasis
(c) filariasis
(d) none
Answer: (b) ascariasis
49. Who discovered Entamoeba coli?
(a) Lambl
(b) Ronald Ross
(c) Lavaran
(d) None
Answer: (a) Lambl
50. Which among the following statement is true?
(a) Meningococcal meningitis is a communicable disease.
(b) Widal test is used to identify pathogen of Cholera.
(c) Dengue fever is pneumtropic viral disease
(d) Amoebiasis is caused by Entamoeba coli.
Answer: (a) Meningococcal meningitis is a communicable disease.