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Class 12 Biology Chapter 8 Human Health And Disease Quiz 2 (60 MCQs)

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1. A person with sickle cell anaemia is(a) more prone to malaria(b) more prone to typhoid(c) less prone to malaria(d) less prone to typhoid.
2. Air-borne diseases areA. influenzaB. typhoidC. tuberculosisD. diarrhoea
3. . Amoebic dysentery (amoebiasis) is caused by
4. In the immune system, interferons are a part of(a) physiological barriers(b) cellular barriers(c) physical barriers(d) cytokine barriers.
5. Which of the following sets of diseases is caused by bacteria? ..... [NEET 2016]
6. Which antibody is called secretary antibodies.
7. The common cold is caused by
8. Primary treatment involves removing:
9. Haemozoin is a(a) precursor of haemoglobin(b) toxin released from Streptococcus infected cells(c) toxin released from Plasmodium infected cells(d) toxin released from Haemophilus infected cells.
10. The following is NOT an example of passive immunity:
11. Sporozoites when female mosquito bites a person are fomed in:
12. Exercise stimulates the body to produce
13. What is NOT symptoms of Dengue fever?
14. Which of the following diseases is transmitted by the bite of the female mosquito vector?
15. The immunoglobulin abundant in colostrum
16. The term 'antitoxin' refers to a preparation containing(a) B-lymphoctyes and T-lymphocytes(b) antibodies to the toxin(c) weakend pathogen(d) inactivated T-lymphocytes.
17. White blood cell that are non-specific killers of microbes are
18. Transplantion of tissues and organs fails due to non acceptance by the patient's body. Which type of immunity is responsible for such rejection
19. Interferon act against viral infection by .....
20. Choose the Malarial parasite which is considered to be the most dangerous.
21. The ..... system returns interstitial fluid to the blood stream.
22. To which type of barriers under innate immunity do saliva in mouth and tears from eye belong?
23. The foetus gets immunized after receiving antibodies from mother through placenta. This type of immunization is called
24. Which of the following is affected by the infection of Wuchereria bancrofti?
25. Tobacco consumption is known to stimulate the secretion of adrenaline and nor-adrenaline. The component causing this could be
26. What is the Coronavirus?
27. Dengue is caused by
28. Following vaccine has been produced from yeast by recombinant DNA technology
29. The term ..... is very frequently used by everybody.
30. The letter T in T lymphocytes refers to
31. Vaccination of malaria is not possible because
32. A person who met with road accident is likely to develop tetanus. So, he is immunised by administering
33. What is a virus and how does it differ from bacteria?
34. At which stage of HIV infection does one usually show symptoms of AIDS:
35. Which of the following pathogens causes whooping coough?(a) Legionella spp.(b) Bordetella pertussis(c) Vibrio cholerae(d) Burcella melitensis
36. Which of the following approaches are used for the treatment of cancer?(a) Immunotherapy(b) Surgery(c) Radiotherapy & chemotherapy(d) All of these
37. He antibody which can cross placental barrier is.(a) IgA(b) JgE(c) IgM(d) IgG.
38. The interval between infection and appearance of symptoms of disease is known as
39. An autoimmune disease is
40. The antibodies produced in response to an allergen
41. Which one is infective stage of plasmodium
42. ..... are the physical, chemical and biological agents that cause cancer
43. The letter T in T-lymphocytes refers to(a) tonsil(b) thalamus(c) thymus(d) thyroid
44. Transplantation of tissues/organs fails often due to nonacceptance by the patient's body. Which type of immune-response is responsible for such rejections?
45. Allergic response is mediated by
46. A person with sickle cell anemia is:
47. The vaccine available for diptheria?
48. Ringworm in human is caused due to
49. What word means the solid particles that have settled out during the sedimentation process.
50. The sexual stages of the mosquito can be found developing inside the
51. If you are advised to get a WIDAL test done for yourself-which disease is your doctor suspecting?
52. Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
53. Transplantation of tissues/ organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?
54. Following are the causes that weaken the immune system except
55. A patient suffering from a disease shows the following symptoms:sustained high fever (39-40 degree celcius), intestinal bleeding, red rashes, headache and loss of appetite. Identify the disease.
56. Anti venom against snake poison contains [NCERT Exemplar](a) antigens(b) antigen-antibody complexes(c) antibodies(d) enzymes
57. On average, about how long does it take before an adult infected with HIV develops AIDS (in the absence of any drug treatment for the disease)?
58. Major factors that cause cancer are(a) oncogenes and polymorphonuclear leucocytes(b) oncogenes and tumour suppressor genes(c) MHC genes(d) cellular oncogenes and a-interferons.
59. MALT constitutes about ..... percent of the lymphoid tissue in human body.
60. N humans, receptors for opioids are present in(a) central nervous system(b) gastrointestinal tract(c) respiratory tract(d) both (a) and (b)
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