This quiz works best with JavaScript enabled. Home > Class 12 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The interval between infection and appearance of symptoms of disease is known as A) Penetration. B) Infection period. C) Inoculation. D) Incubation period. Show Answer Correct Answer: D) Incubation period. 2. An autoimmune disease is A) Myasthenia gravis. B) Haemophilia. C) AIDS. D) None. Show Answer Correct Answer: A) Myasthenia gravis. 3. The antibodies produced in response to an allergen A) IgA. B) IgE. C) IgM. D) IgD. Show Answer Correct Answer: B) IgE. 4. Which one is infective stage of plasmodium A) Sporozoite. B) Sporophite. C) Merozoite. D) Crypto merozoite. Show Answer Correct Answer: A) Sporozoite. 5. ..... are the physical, chemical and biological agents that cause cancer A) Carcinogen. B) Mutagen. C) Mitogen. D) None of the above. Show Answer Correct Answer: A) Carcinogen. 6. The letter T in T-lymphocytes refers to(a) tonsil(b) thalamus(c) thymus(d) thyroid A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 7. Transplantation of tissues/organs fails often due to nonacceptance by the patient's body. Which type of immune-response is responsible for such rejections? A) Cell-mediated immune response. B) Hormonal immune response. C) Physiological immune response. D) Autoimmune response. Show Answer Correct Answer: A) Cell-mediated immune response. 8. Allergic response is mediated by A) B cell. B) Macrophages. C) Monocytes. D) Mast cells. Show Answer Correct Answer: D) Mast cells. 9. A person with sickle cell anemia is: A) More pron to malaria. B) Less prone to malaria. C) More pron to typhoid. D) Less pron to typhoid. Show Answer Correct Answer: B) Less prone to malaria. 10. The vaccine available for diptheria? A) DPT. B) BCG. C) MMR. D) BOTH A and B. Show Answer Correct Answer: A) DPT. 11. Ringworm in human is caused due to A) Bacteria. B) Protozoa. C) Nematode. D) Fungus. Show Answer Correct Answer: D) Fungus. 12. What word means the solid particles that have settled out during the sedimentation process. A) Sediment. B) Solubility. C) Settlement. D) Solidifying. Show Answer Correct Answer: A) Sediment. 13. The sexual stages of the mosquito can be found developing inside the A) RBC. B) Liver cells. C) Salivary glands. D) Gut of the mosquito. Show Answer Correct Answer: A) RBC. 14. If you are advised to get a WIDAL test done for yourself-which disease is your doctor suspecting? A) Typhoid. B) Cholera. C) Pneumonia. D) Filariasis. Show Answer Correct Answer: A) Typhoid. 15. Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid. A) Plasmodium vivax / UTI test. B) Streptococcus pneumoniae / Widal test. C) Salmonella typhi / Anthrone test. D) Salmonella typhi / Widal test. Show Answer Correct Answer: D) Salmonella typhi / Widal test. 16. 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? A) Physiological immune response. B) Autoimmune response. C) Cell-mediated immune response. D) Hormonal immune response. Show Answer Correct Answer: C) Cell-mediated immune response. 17. Following are the causes that weaken the immune system except A) Stress. B) Exposure to polluted air. C) Exposure to pesticides. D) Healthy diet. Show Answer Correct Answer: D) Healthy diet. 18. Which of the following disease is caused by bacteria? A) Cholera and tetanus. B) Typhoid and smallpox. C) Tetanus and mumps. D) Herpes and inflenza. Show Answer Correct Answer: A) Cholera and tetanus. 19. 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. A) Typhoid. B) Pneumonia. C) Malaria. D) Ascariasis. Show Answer Correct Answer: A) Typhoid. 20. Anti venom against snake poison contains [NCERT Exemplar](a) antigens(b) antigen-antibody complexes(c) antibodies(d) enzymes A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 21. 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)? A) 2 years. B) 3 years. C) 5-10 years. D) 20 years. Show Answer Correct Answer: C) 5-10 years. 22. 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. A) A. B) B. C) C. D) D. Show Answer Correct Answer: B) B. 23. MALT constitutes about ..... percent of the lymphoid tissue in human body. A) 20%. B) 70%. C) 10%. D) 50 %. Show Answer Correct Answer: D) 50 %. 24. N humans, receptors for opioids are present in(a) central nervous system(b) gastrointestinal tract(c) respiratory tract(d) both (a) and (b) A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 25. For which of the following disease vaccine is not available? A) Pneumonia. B) Common cold. C) Mumps. D) Both A and B. Show Answer Correct Answer: D) Both A and B. ← PreviousNext →Related 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 9Class 12 Biology Chapter 8 Human Health And Disease Quiz 10Class 12 Biology Chapter 8 Human Health And Disease Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books