This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 8 Human Health And Disease – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 8 Human Health And Disease Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Wuchereria causes ..... A) Sleeping sickness. B) Filaria. C) Dengue. D) Ascaria. Show Answer Correct Answer: B) Filaria. 2. An intestinal parasite which causes blockage of the intestinal passage and whose eggs are excreted along with the faeces of infected person is A) Wuchereria bancrofti. B) Ascaris. C) Microsporum. D) Epidermophyton. Show Answer Correct Answer: B) Ascaris. 3. AIDSs, mumps, measles, chicken pox, polio, influenza and rabies are caused by ..... A) Viruses. B) Protozoa. C) Bacteria. D) Fungi. Show Answer Correct Answer: A) Viruses. 4. Which of the following statements is NOT a characteristic of cancer cells? A) Do not undergo cellular death (or apoptosis). B) Disorganized cell layers. C) Uncontrolled growth. D) Normal nuclei. Show Answer Correct Answer: D) Normal nuclei. 5. Spleen is store house of ..... A) Leukocytes. B) Lymphocytes. C) Monocytes. D) Erythrocytes. Show Answer Correct Answer: D) Erythrocytes. 6. Immunosuppressants such as ..... prevent transplanted organs from being rejected in recipients. A) Thrombin. B) Cyclosporine. C) Aspirin. D) None of the above. Show Answer Correct Answer: B) Cyclosporine. 7. A substance produced by the host in response to an infection of foreign structure is A) Hormone. B) Antigen. C) Antibody. D) Phytotoxin. Show Answer Correct Answer: C) Antibody. 8. Peyer's patches is the example of- A) Primary lymphoid organ. B) Secondary lymphoid organ. C) Allergy. D) Antigen-antibody reaction. Show Answer Correct Answer: B) Secondary lymphoid organ. 9. Example of auto-immune disease. A) Rheumatoid arthritis. B) Cellulitis. C) Arthritis. D) Spondylitis. Show Answer Correct Answer: A) Rheumatoid arthritis. 10. Sickle cell anemia is an example of A) Chromosomal disorder. B) Genetic disorder. C) Infectious disease. D) Non infectious disease. Show Answer Correct Answer: B) Genetic disorder. 11. The treatment of snakebite by antivenom is an example of A) Artificially acquired active immunity. B) Naturally acquired passive immunity. C) Artificially acquired passive immunity. D) None of the above. Show Answer Correct Answer: C) Artificially acquired passive immunity. 12. AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV? A) Transfusion of contaminated blood. B) Sharing the infected needles. C) Shaking hands with infected persons. D) Sexual contact with infected persons. Show Answer Correct Answer: C) Shaking hands with infected persons. 13. When a quick immune response is required we can A) Directly inject preformed antigens. B) Directly inject weakened pathogen at time of emergency. C) Directly Inject preformed antibodies. D) Directly inject immune depressants. Show Answer Correct Answer: C) Directly Inject preformed antibodies. 14. Which of these is a primary Lymphoid organ? A) Appendix. B) Tonsils. C) Spleen. D) Thymus. Show Answer Correct Answer: D) Thymus. 15. Which medicines are used to reduce symptoms of allergy quickly? A) Antihistamine. B) Adrenaline. C) Steriod. D) All of the above. Show Answer Correct Answer: D) All of the above. 16. The major phagocytic cells are A) Macrophages. B) Mast cells. C) Lymphocytes. D) Plasma cells. Show Answer Correct Answer: A) Macrophages. 17. T cells mature in the A) Spleen. B) Thymus. C) Kidney. D) Bone marrow. Show Answer Correct Answer: B) Thymus. 18. Mark the odd one A) Marijuana. B) Heroin. C) Charas. D) Hashish. Show Answer Correct Answer: B) Heroin. 19. Father of Medicine? A) Hippocrates. B) Mendel. C) Aristotle. D) W.Harvey. Show Answer Correct Answer: A) Hippocrates. 20. Vector for Filariasis A) Culex. B) Ades. C) Flea. D) Anopheles. Show Answer Correct Answer: A) Culex. 21. The substance produced by a cell on viral infection that can protect other cells from further infection is A) Histamines. B) Interferons. C) Serotonin. D) Interleukins. Show Answer Correct Answer: B) Interferons. 22. Use of anti-histamines and steroids gives a quick relief from(a) allergy(b) nausea(c) cough(d) fever A) A. B) B. C) D. D) C. Show Answer Correct Answer: A) A. 23. Tears of eyes:physiological barrier and skin: ..... A) Cytokine barrier. B) Cellular barrier. C) Physical barrier. D) Physiological barrier. Show Answer Correct Answer: C) Physical barrier. 24. Clinical test that is used for the diagnosis of typhoid is: A) PCR. B) ELISA. C) Widal. D) ESR. Show Answer Correct Answer: C) Widal. 25. Which of the following acts as a physiological barrier to the entry of microorganisms A) Epithelium of urinary tract. B) Skin. C) Monocyte. D) Tear. Show Answer Correct Answer: D) Tear. 26. The genes causing cancer are: A) Regulator genes. B) Oncogenes. C) Structural genes. D) Expressor genes. Show Answer Correct Answer: B) Oncogenes. 27. Which cells are destroyed by HIV in AIDS? A) B-lymphocytes. B) Thrombocytes. C) Helper T-lymphocytes. D) Leukocytes. Show Answer Correct Answer: C) Helper T-lymphocytes. 28. Which of the following pairs contains an infectious and a non-infectious disease respectively?(a) Typhoid and AIDS(b) AIDS and cancer(c) Pneumonia and malaria(d) Cancer and malaria A) B. B) D. C) C. D) A. Show Answer Correct Answer: A) B. 29. Elephantiasis, a chronic inflammation that results in gross deformities is caused by A) Trichophyton. B) Ascaris. C) Wuchereria. D) E.coli. Show Answer Correct Answer: C) Wuchereria. 30. 'Ringworm', a common infectious disease in man causing dry scaly lesions on the skin and scalp, is caused by A) Fungi. B) Filarial worms. C) Round worms. D) Bacteria. Show Answer Correct Answer: A) Fungi. 31. Viruses which causes Cancer are known as A) Oncogenic virus. B) Retrovirus. C) HIV. D) None of the above. Show Answer Correct Answer: A) Oncogenic virus. 32. What are the requirements for acheiving good health A) Vaccination. B) Control of vectors. C) Waste disposal. D) All of the above. Show Answer Correct Answer: D) All of the above. 33. Number of polypeptide chain present in a molecule of antibody A) 1. B) 2. C) 6. D) 4. Show Answer Correct Answer: D) 4. 34. Which biological process helps in controlling diseases caused by mosquitos A) Introducing Gambusia in ponds. B) Introducing toads in ponds. C) RDNA technology. D) Gene therapy. Show Answer Correct Answer: A) Introducing Gambusia in ponds. 35. Which of the following glands is large-sized at birth but reduces in size with aging? A) Pituitary. B) Thyroid. C) Thymus. D) Pineal. Show Answer Correct Answer: C) Thymus. 36. Which are the factors affecting health A) Infections. B) Genetic disorder. C) Defeciences. D) All of the above. Show Answer Correct Answer: D) All of the above. 37. Which of the following is most infectious disease? A) Cold and cough. B) Malaria. C) AIDS. D) Typhoid. Show Answer Correct Answer: A) Cold and cough. 38. Types of immunoglobulins are A) IgA, IgM, IgG, IgE and IgD. B) IgA and IgM only. C) IgD and IgG only. D) IgA only. Show Answer Correct Answer: A) IgA, IgM, IgG, IgE and IgD. 39. Ascaris lumbricoides is a species of parasitic roundworm that lives in ..... A) Humans. B) Grasshoppers. C) Pigs. D) None of the above. Show Answer Correct Answer: A) Humans. 40. Cells of malignant tumors exhibit A) Metastasis. B) Contact Inhibition. C) All the above. D) None of the above. Show Answer Correct Answer: A) Metastasis. 41. Which of the following is not lymphoid tissue? A) Thymus. B) Spleen. C) Tonsils. D) Pancreas. Show Answer Correct Answer: D) Pancreas. 42. Which body organ is affected in typhoid disease: A) Liver. B) Lungs. C) Kidneys. D) Small intestine. Show Answer Correct Answer: D) Small intestine. 43. Smack' is a drug obtained from the(a) latex of Papever somniferum(b) leaves of Cannabis saliva(c) flowers of Datura(d) fruits of Erythroxyl coca. A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 44. Where will you look for the sporozoites of malarial parasite? A) (a) Saliva of infected female Anopheles masquito. B) Salivary glands of freshly moulted female Anopheles mosquito. C) D Spleen of infected human. D) RBCS of humans suffering from malaria. Show Answer Correct Answer: A) (a) Saliva of infected female Anopheles masquito. 45. The most abundant antibody produced against allergens is(a) IgE(b) IgA(c) IgG(d) IgM. A) D. B) A. C) C. D) B. Show Answer Correct Answer: B) A. 46. Tuberculosis is example of infectious diseases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 47. Which of the following immunoglobulins does constitute largest percentage in human milk A) IgM. B) IgD. C) IgG. D) IgA. Show Answer Correct Answer: D) IgA. 48. Identify the immunoglobulin that diffuse through placenta A) IgD. B) IgG. C) IgM. D) IgA. Show Answer Correct Answer: B) IgG. 49. Almost everyone have suffered from Common cold once or many times till date. From the following statement find the incorrect one in this context. A) Retro virus is one of the main causes of common cold. B) Coronavirus, respiratory syncytial virus, influenza and parainfluenza viruses also can cause common cold. C) Common cold and flu are same. D) An adult may have common cold 2-3 times in a year. Show Answer Correct Answer: C) Common cold and flu are same. 50. The cells that actually release the antibodies are A) Cytotoxic T-cells. B) Plasma cells. C) Helper T-cells. D) Memory cells. Show Answer Correct Answer: B) Plasma cells. 51. Humoral immune response is due to the presence of ..... in the blood. A) Pathogen specific antibodies. B) Natural Killer Cells. C) Antigens present on RBCs. D) Neutrophils. Show Answer Correct Answer: A) Pathogen specific antibodies. 52. Foetus receiving antibodies from the mother through the placenta during pregnancy is an example of A) Active immunity. B) Passive immunity. C) All the above. D) None of the above. Show Answer Correct Answer: B) Passive immunity. 53. Nucleoside Reverse Transcriptase Inhibitors (NRTI) are drugs used for the treatment of: A) Malaria. B) Auto immune diseases. C) Cancer. D) AIDS. Show Answer Correct Answer: D) AIDS. 54. Identify wrong statement with reference to immunity A) When ready made antibodies are directly given, it is called 'Passive immunity'. B) Active immunity is quick and gives a full response. C) Foetus receives some antibodies from the mother, it is an example of passive immunity. D) When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called Active immunity. Show Answer Correct Answer: B) Active immunity is quick and gives a full response. 55. Each immunoglobin has two heavy chains and two light chains. To antigen binding site is found in A) Variable region of heavy chain. B) Variable region of light chain. C) Constant region of light chain. D) Variable region of both heavy and light chain. Show Answer Correct Answer: D) Variable region of both heavy and light chain. 56. Which is an autoimmune disorder? A) Rheumatoid. B) Cancer. C) Asthma. D) Hepatitis. Show Answer Correct Answer: A) Rheumatoid. 57. A diagnostic procedure that involves removing a tissue sample from a patient. A) Biopsy. B) Lipotripsy. C) Pathogenesis. D) Oncology. Show Answer Correct Answer: A) Biopsy. 58. Which of the following cannot be tramsferred by the semen of an infected male A) Hepatitis B Virus. B) Ebola virus. C) Chikungunya virus. D) HIV. Show Answer Correct Answer: C) Chikungunya virus. 59. When cancer spreads to other tissues of the body, it is called ..... A) Metastasis. B) Chemotherapy. C) Invasiveness. D) Angiogenesis. Show Answer Correct Answer: A) Metastasis. 60. Active immunity is when A) Lymphocyte produce their own antibodies. B) Antibodies is being administered into human body. C) You are immune to any type of disease. D) Macrophages invade your lymphatic system and shield you from ever falling sick. Show Answer Correct Answer: A) Lymphocyte produce their own antibodies. Next →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Biology Chapter 8 Human Health And Disease Quiz 2Class 12 Biology Chapter 8 Human Health And Disease Quiz 3Class 12 Biology Chapter 8 Human Health And Disease Quiz 4Class 12 Biology Chapter 8 Human Health And Disease Quiz 5Class 12 Biology Chapter 8 Human Health And Disease Quiz 6Class 12 Biology Chapter 8 Human Health And Disease Quiz 7Class 12 Biology Chapter 8 Human Health And Disease Quiz 8Class 12 Biology Chapter 8 Human Health And Disease Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books