This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 8 Human Health And Disease – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 8 Human Health And Disease Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Where is the biogas produced? A) Sludge digesters. B) Settling tank. C) Aeration tank. D) None of the above. Show Answer Correct Answer: A) Sludge digesters. 2. Which of the following day is celebrated as 'World AIDS Day'?(a) 31st March(b) 1st March(c) Ist December(d) 31st December A) B. B) C. C) D. D) A. Show Answer Correct Answer: B) C. 3. Which drug is used as medicine to help patients cope with depression and insomnia?(a) Morphine(b) Amphetamines(c) Barbiturate(d) Both (b) and (c) A) B. B) A. C) C. D) D. Show Answer Correct Answer: D) D. 4. Immunity that develops in the fetus after receiving antibodies from mother's blood through placenta is A) Naturally acquired active immunity. B) Artificially acquired active immunity. C) Naturally acquired passive immunity. D) Artificially acquired passive immunity. Show Answer Correct Answer: C) Naturally acquired passive immunity. 5. Which of the following factors affect human health? (i) Infections (iii) Life style (ii) Silent mutations (iv) Genetic disorders A) ( i ), (ii) and (iv). B) ( i ) and ( ii ). C) ( i ), ( iii ) and ( iv ). D) ( i ), ( ii ), ( iii ) and ( iv ). Show Answer Correct Answer: C) ( i ), ( iii ) and ( iv ). 6. What are microorganisms? A) Microorganisms are microscopic living organisms, including bacteria, viruses, fungi, and protozoa. B) Microorganisms are non-living entities that cannot reproduce. C) Microorganisms are only harmful bacteria that cause diseases. D) Microorganisms are large, visible organisms like plants and animals. Show Answer Correct Answer: A) Microorganisms are microscopic living organisms, including bacteria, viruses, fungi, and protozoa. 7. Incubation period for dangue is? A) 3 to 8days. B) 1 day. C) 5days. D) None. Show Answer Correct Answer: A) 3 to 8days. 8. Liver cirrhosis is caused due to A) Smoking. B) Over weight. C) Excess use of pain killers. D) Taking alcohols. Show Answer Correct Answer: D) Taking alcohols. 9. Which of the following components are involved in allergic reaction? A) IgE and mast cells. B) IgG and mast cells. C) IgA and mast cells. D) IgG and basophiles. Show Answer Correct Answer: A) IgE and mast cells. 10. Administration of antivenin to a snake bite victim is an example of A) Passive immunization. B) Active immunization. C) All the above. D) None of the above. Show Answer Correct Answer: A) Passive immunization. 11. A part of the innate immunity. The bodies defensive response caused by microbial infection, physical damage or chemical agents. A) Phagocytosis. B) Inflammation. C) Cytotoxicity. D) Edema. Show Answer Correct Answer: B) Inflammation. 12. Which of the following immunoglobulins (Igs) is present in milk? A) IgG. B) IgE. C) IgA. D) IgM. Show Answer Correct Answer: C) IgA. 13. While discussing a particular disease, the teacher described the following symptoms found in a patient:fluid filled alveoli, fever, chills, cough, headache, lips and finger nails turning bluish. Which one of the following diseases should the student chose? A) Malaria. B) Typhoid. C) Pneumonia. D) Common cold. Show Answer Correct Answer: C) Pneumonia. 14. A metastatic cancerous tumour is termed 'sarcoma' if the disorder is in(a) fibroblasts(b) circulatory system(c) immune system(d) epithelial cells. A) D. B) B. C) A. D) C. Show Answer Correct Answer: C) A. 15. Name two healthy habits that can help prevent diseases. A) Balanced diet, regular physical activity. B) Irregular sleep patterns. C) Sedentary lifestyle. D) High sugar intake. Show Answer Correct Answer: A) Balanced diet, regular physical activity. 16. A toxic substance, responsible for the chills and high fever recurring every three to four days in malarial fever, is A) Hirudin. B) Haemozoin. C) Colostrum. D) Interferon. Show Answer Correct Answer: B) Haemozoin. 17. The chemical released by RBC rupturing during Malaria A) Merozoite. B) Sporozoite. C) Haemozoin. D) Hematozoin. Show Answer Correct Answer: C) Haemozoin. 18. Use of vaccines and immunisation programmes have controlled which of the following infectious diseases?(a) Polio and tetanus(b) Diphtheria and pheumonia(c) Cancer and AIDS(d) Both (a) and (b) A) A. B) C. C) D. D) B. Show Answer Correct Answer: C) D. 19. Which of the following glands is large sized at birth but reducies in size with aging? [NCERT Exemplar](a) Pineal(b) Pituitary(c) Thymus(d) Thyroid A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 20. This type of immunity can be called nonspecific and refers to the bodies defenses that are present since birth. A) Acquired immunity. B) Resistance. C) Adaptive immunity. D) Innate immunity. Show Answer Correct Answer: D) Innate immunity. 21. Antivenom is used for the treatment of snake bite. The treatment of snake bite by antivenom is an example of A) Naturally acquired passive immunity. B) Artificially acquired active immunity. C) Artificially acquired passive immunity. D) Specific natural immunity. Show Answer Correct Answer: C) Artificially acquired passive immunity. 22. ..... is an example of a stimulant. A) Oxazepam. B) Lorazepam. C) Amphetamine. D) Phencyclidine. Show Answer Correct Answer: C) Amphetamine. 23. What is increased in blood by frequent smoking? A) Oxygen. B) Carbon dioxide. C) Water. D) Carbon monoxide. Show Answer Correct Answer: D) Carbon monoxide. 24. Most dread full malignant malaria is caused by: A) Plasmodium vivex. B) Plasmodium malariae. C) Plasmodium ovalae. D) Plasmodium falciparum. Show Answer Correct Answer: D) Plasmodium falciparum. 25. The term 'antitoxin' refers to a preparation containing: A) B-lymphocytes and T-lymphocytes. B) Antibodies to the toxin. C) Weakened pathogen. D) Inactivated T-lymphocytes. Show Answer Correct Answer: B) Antibodies to the toxin. 26. During the life cycle of Plasmodium, sexual reproduction takes place in which of the following hasts A) Human. B) Female Anopheles mosquito. C) Male Anopheles mosquito. D) Both (a) and (b). Show Answer Correct Answer: B) Female Anopheles mosquito. 27. Which of the following is disease that is not infectious? A) Tinea. B) Dengue fever. C) Cancer. D) Tuberculosis. Show Answer Correct Answer: C) Cancer. 28. Haemozoin is associated with A) Pox. B) Dengue. C) Maleria. D) Filaria. Show Answer Correct Answer: C) Maleria. 29. An antibody is a A) Component of blood. B) Secretion of mammalian erythrocyte. C) Molecule that specifically react with an antigen. D) White corpuscle which attack invading bacteria. Show Answer Correct Answer: C) Molecule that specifically react with an antigen. 30. Which of the following approaches are used for the treatment of cancer? A) Immunotherapy. B) Surgery. C) Radiotherapy & chemotherapy. D) All of these. Show Answer Correct Answer: D) All of these. 31. What is the meaning of antigen? A) Ability of the body system to resist pathogens before it is infected. B) Protein produced by white blood cells into the bloodstream. C) Foreign substance that come from outside the body and induces the production of antibodies. D) An animal that transmit pathogen. Show Answer Correct Answer: C) Foreign substance that come from outside the body and induces the production of antibodies. 32. Which of the following is NOT part of the first line of defense? A) Skin. B) Lysozyme. C) B cells. D) Sweat. Show Answer Correct Answer: C) B cells. 33. What is known as pain reliever drug? A) LSD. B) Morphine. C) Nicotine. D) Marijuana. Show Answer Correct Answer: B) Morphine. 34. Typhoid fever in human beings is caused by(a) Plasmodium vivax(b) Trichophyton(c) Salmonella typhi(d) Rhinoviruses. A) B. B) D. C) A. D) C. Show Answer Correct Answer: D) C. 35. T cells are made in the ..... A) Tonsiles. B) Spleen. C) Thymus. D) Bone marrow. Show Answer Correct Answer: D) Bone marrow. 36. Which of the following statements is not true for cancer cells in relation to mutations? A) Mutations in proto-oncogenes accelerate the cell cycle. B) Mutations destroy telomerase inhibitors. C) Mutations inactivate cell control. D) Mutations inhibit the production of telomerase. Show Answer Correct Answer: D) Mutations inhibit the production of telomerase. 37. Ascaris lumbricoides is a parasitic roundworm that infects A) Birds. B) Cattle. C) Man. D) Pigs. Show Answer Correct Answer: C) Man. 38. A disease characterised by the presence of constipation, , stools, with excess mucous and blood clots A) Malaria. B) Amoebiasis. C) Ascariasis. D) Typhoid. Show Answer Correct Answer: B) Amoebiasis. 39. Artificial immunity can be acquired from a A) Serious illness. B) Treatment with penicillin. C) Vaccination. D) Repeated exposure to the same microbe. Show Answer Correct Answer: C) Vaccination. 40. Which one of the following disease is non-communicable? A) Flu. B) Malaria. C) Cancer. D) Diphtheria. Show Answer Correct Answer: C) Cancer. 41. Protoctista have both a nucleus and organelles A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 42. Which one is not a mode of transmission of AIDS disease: A) Transfusion of contaminated blood. B) Sharing of infected needles. C) Shaking and kissing with infected person. D) Sexual contact with infected person. Show Answer Correct Answer: C) Shaking and kissing with infected person. 43. Name the disease which is confirmed by WIDAL Test? A) Chicken Pox. B) Diphtheria. C) Malaria. D) Typhoid. Show Answer Correct Answer: D) Typhoid. 44. The main reason why antibiotics could not always treat the bacteria-mediated diseases is A) The development of mutant bacterial strains resistant to antibiotics. B) Decreased efficiency of immune system. C) Inactivation of antibiotics by bacterial enzymes. D) Insensitivity of the individual following prolonged exposure to antibiotics. Show Answer Correct Answer: A) The development of mutant bacterial strains resistant to antibiotics. 45. Malignant malaria is caused by A) P. ovale. B) P. falciparum. C) P. vivax. D) P. malaria. Show Answer Correct Answer: B) P. falciparum. 46. The immunoglobulin disulphides do not join A) Two heavy chains. B) Light chain and heavy chains. C) Two light chains. D) All. Show Answer Correct Answer: C) Two light chains. 47. Cannabinoids affect the digestive system A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 48. AIDS occur by which cause? A) Reduction of T-Helper cells. B) Less production of interferon. C) Reduction of Killer T-cells. D) Auto immune. Show Answer Correct Answer: A) Reduction of T-Helper cells. 49. Which bacteria causes typhoid? A) Salmonella typhi. B) Pneumococcus. C) Haemophilus influenzae. D) Pneumococcus. Show Answer Correct Answer: A) Salmonella typhi. 50. Sars-Cov2 virus that lead to Covid19 disease is example of (i) ..... disease that transmitted through (ii) ..... transmission. A) (i) waterborne (ii) water. B) (i) touch (ii) parasite. C) (i) airborne (ii) droplet. D) None of the above. Show Answer Correct Answer: C) (i) airborne (ii) droplet. 51. How can bacteria cause diseases in humans? A) Bacteria cause diseases by forming protective barriers in tissues. B) Bacteria cause diseases by invading tissues, evading immunity, and producing toxins. C) Bacteria cause diseases by enhancing nutrient absorption. D) Bacteria cause diseases by producing vitamins and enzymes. Show Answer Correct Answer: B) Bacteria cause diseases by invading tissues, evading immunity, and producing toxins. 52. Infective stages of malarial parasite is formed in A) Salivary glands of mosquito. B) Intestine of mosquito. C) Haemolymph of mosquito. D) Stomach wall of mosquito. Show Answer Correct Answer: A) Salivary glands of mosquito. 53. AIDS disease was first reported in A) France. B) USA. C) Russia. D) Germany. Show Answer Correct Answer: B) USA. 54. HIV that causes AIDS, first starts destroying: A) Thrombocytes. B) Leucocytes. C) Helper T-Lymphocytes. D) B-Lymphocytes. Show Answer Correct Answer: C) Helper T-Lymphocytes. 55. DPT vaccination provides A) Active immunity. B) Passive immunity. C) Natural immunity. D) Active and Passive immunity both. Show Answer Correct Answer: A) Active immunity. 56. Which of the following is caused by a pathogen? A) Syphilis. B) Blastomycosis. C) Babesiosis. D) Inflenza. Show Answer Correct Answer: C) Babesiosis. 57. Entamoeba histolytica is transmitted through ..... A) Sweat. B) Insect bite. C) Food or water contaminated with cysts. D) Bird dropping. Show Answer Correct Answer: C) Food or water contaminated with cysts. 58. Use of vaccines and immunisation programmes have controlled which of the following infectious diseases? A) Polio and tetanus. B) Diphtheria and pheumonia. C) Cancer and AIDS. D) Both (a) and (b). Show Answer Correct Answer: D) Both (a) and (b). 59. The symptoms of an allergic reaction develop in response to A) Interferons. B) Histamine. C) Interleukins. D) Complement. Show Answer Correct Answer: B) Histamine. 60. What is the full form of PMNL? A) Polymorpho nuclear leukocytes. B) Polymorpho nuclear leukocytes. C) Polymorphic nuclear lymphocytes. D) Polymorpho nucleoside leukocytes. Show Answer Correct Answer: A) Polymorpho nuclear leukocytes. ← PreviousNext →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Biology Chapter 8 Human Health And Disease Quiz 1Class 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 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