This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 8 Human Health And Disease – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 8 Human Health And Disease Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which types of immune response is responsible for graft rejection? A) Autoimmune response. B) Humoral immune response. C) Cell mediated immune response. D) None of the above. Show Answer Correct Answer: C) Cell mediated immune response. 2. The primary lymphoid organs are(a) spleen and thymus(b) bone marrow and thymus(c) bone marrow and lymph node(d) thymus and MALT. A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 3. Which of the following glands is large sized at birth but reduces in size with ageing?(a) Pineal(b) Pituitary(c) Thymus(d) Thyroid A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 4. Immunity: A) Is having the biological defence to resist and fight infection of unwanted pathological invasion. B) This is when a vaccine is administered to stimulate the body's own immune system to fight against an infection or disease. C) All the above. D) None of the above. Show Answer Correct Answer: A) Is having the biological defence to resist and fight infection of unwanted pathological invasion. 5. Which antibody is first to be released into blood following an infection? A) IgD. B) IgG. C) IgM. D) IgA. Show Answer Correct Answer: C) IgM. 6. Vaccines and immune work on the principle of ..... A) Attacking. B) Defence. C) Heredity. D) Memory. Show Answer Correct Answer: D) Memory. 7. Antibodies are A) Immunoglobulins. B) Carbohydrates. C) Lipids. D) None of the above. Show Answer Correct Answer: A) Immunoglobulins. 8. Due to genetic and other unknown reasons the body attacks self cells, it is known as A) Innate immunity. B) Auto immunity. C) Acquired immunity. D) Immunity. Show Answer Correct Answer: B) Auto immunity. 9. Sporogony of malarial parasite occurs in A) Stomach wall of mosquito. B) Salivary glands of mosquito. C) RBCs of man. D) Liver of man. Show Answer Correct Answer: A) Stomach wall of mosquito. 10. Which of the following has been completely eradicated? A) HIV. B) Malaria. C) Smallpox. D) Typhoid. Show Answer Correct Answer: C) Smallpox. 11. Colostrum secreted by mother during the initial days of lactation has abundant A) Antibodies IgM. B) Antibodies IgE. C) Antibodies IgA. D) Antibodies IgG. Show Answer Correct Answer: C) Antibodies IgA. 12. Which form of pathogen is used in vaccination? A) Activated and strong pathogenic antigens. B) Inactivated and weakened pathogenic antigens. C) Hyperactive and strong pathogen. D) Preformed antibodies. Show Answer Correct Answer: B) Inactivated and weakened pathogenic antigens. 13. The role of Gambusia in disease control is ..... A) It is decomposer. B) It preys on eggs of vectors. C) It eliminates oxygen. D) It is primary priducer. Show Answer Correct Answer: B) It preys on eggs of vectors. 14. Infectious diseases are diseases caused by an organism such as a virus or a bacterium, which is called a: A) Pathogen. B) Toxicant. C) Pandemic. D) Carcinogen. Show Answer Correct Answer: A) Pathogen. 15. Chill and high fever recurring every 3-4 hours in a patient. Which of the following statement related to this event is incorrect? A) Release of Haemozoin causes chill and fever. B) Rupture of RBC is associated with release of haemozoin. C) Parasites initially multiply in liver cells then attack red blood cells. D) The disease is Typhoid. Show Answer Correct Answer: D) The disease is Typhoid. 16. Disease tetanus is a: A) Water born disease. B) Soil born disease. C) Air born disease. D) Vector born disease. Show Answer Correct Answer: B) Soil born disease. 17. Which of the following is the cancer of blood? A) Sarcoma. B) Lymphoms. C) Leukemia. D) None of these. Show Answer Correct Answer: C) Leukemia. 18. The most abundant class of immunoglobulins (Igs) in the body is: A) IgM. B) IgA. C) IgG. D) IgM. Show Answer Correct Answer: C) IgG. 19. Which of the following immune responses is responsible for rejection of kidney graft? A) Auto-immune response. B) Humoral immune response. C) Inflammatory immune response. D) Cell-mediated immune response. Show Answer Correct Answer: D) Cell-mediated immune response. 20. Which one is vector of filariasis A) Female mosquito. B) Male mosquito. C) Bed bug. D) House fly. Show Answer Correct Answer: A) Female mosquito. 21. Discovery of blood circulation was done by ..... A) William Stark. B) William Harvey. C) Harvey stark. D) None of these. Show Answer Correct Answer: B) William Harvey. 22. Which of the following is not a lymphoid tissue: A) Spleen. B) Tonsils. C) Thymus. D) Pancreas. Show Answer Correct Answer: D) Pancreas. 23. How do vaccines help the immune system fight diseases? A) Vaccines help the immune system by training it to recognize and fight specific pathogens. B) Vaccines weaken the immune system by exposing it to diseases. C) Vaccines directly cure diseases without immune response. D) Vaccines only provide temporary relief from symptoms. Show Answer Correct Answer: A) Vaccines help the immune system by training it to recognize and fight specific pathogens. 24. The site where lymphocytes interact with antigens and proliferate to become effector cells are(a) spleen and lymph nodes(b) bone marrow and thymus(c) Peyer's patches and tonsils(d) both (a) and (c). A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 25. How many types of plasmodium of human species? A) 3. B) 4. C) 5. D) None. Show Answer Correct Answer: B) 4. ← 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 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 9Class 12 Biology Chapter 8 Human Health And Disease Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books