This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 8 Human Health And Disease – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 8 Human Health And Disease Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cannabinoids affect the digestive system A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. AIDS occur by which cause? A) Reduction of T-Helper cells. B) Reduction of Killer T-cells. C) Auto immune. D) Less production of interferon. Show Answer Correct Answer: A) Reduction of T-Helper cells. 3. Which bacteria causes typhoid? A) Salmonella typhi. B) Pneumococcus. C) Haemophilus influenzae. D) Pneumococcus. Show Answer Correct Answer: A) Salmonella typhi. 4. 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. 5. 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. 6. 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. 7. AIDS disease was first reported in A) Russia. B) USA. C) Germany. D) France. Show Answer Correct Answer: B) USA. 8. HIV that causes AIDS, first starts destroying: A) Thrombocytes. B) B-Lymphocytes. C) Leucocytes. D) Helper T-Lymphocytes. Show Answer Correct Answer: D) Helper T-Lymphocytes. 9. 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. 10. Which of the following is caused by a pathogen? A) Syphilis. B) Inflenza. C) Babesiosis. D) Blastomycosis. Show Answer Correct Answer: C) Babesiosis. 11. Entamoeba histolytica is transmitted through ..... A) Insect bite. B) Bird dropping. C) Sweat. D) Food or water contaminated with cysts. Show Answer Correct Answer: D) Food or water contaminated with cysts. 12. 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). 13. The symptoms of an allergic reaction develop in response to A) Interferons. B) Interleukins. C) Histamine. D) Complement. Show Answer Correct Answer: C) Histamine. 14. What is the full form of PMNL? A) Polymorpho nuclear leukocytes. B) Polymorpho nucleoside leukocytes. C) Polymorpho nuclear leukocytes. D) Polymorphic nuclear lymphocytes. Show Answer Correct Answer: A) Polymorpho nuclear leukocytes. 15. Contact inhibition property is not found in A) Bone cells. B) Cancer cell. C) Liver cell. D) Muscle cells. Show Answer Correct Answer: B) Cancer cell. 16. Which one is communicable disease A) Common cold. B) Cancer. C) Aids. D) None of the above. Show Answer Correct Answer: A) Common cold. 17. Which of the following is not a lymphoid tissue?(a) Spleen(b) Tonsils(c) Pancreas(d) Thymus A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 18. Which of the following sets of diseases is caused by bacteria? A) Tetanus and mumps. B) Herpes and influenza. C) Cholera and tetanus. D) Typhoid and smallpox. Show Answer Correct Answer: C) Cholera and tetanus. 19. Grafted kidney can be rejected due to A) Humoral immune response. B) Cell mediated immune response. C) Innate immune response. D) Passive immune response. Show Answer Correct Answer: B) Cell mediated immune response. 20. Appearance of dry, scaly lesions with itching on various of the body are the symptoms of A) Elephantiasis. B) Ascarisas. C) Ringworm. D) Amoebiasisa. Show Answer Correct Answer: C) Ringworm. 21. The common cold is caused by(a) Rhino viruses(b) Streptococcus pnemoniae(c) Salmonella typhimurium(d) Plasmodium vivax. A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 22. Infection of Ascaris usually occurs by ..... [NEET 2013] A) Drinking water containing eggs of Ascaris. B) Eating imperfectly cooked port. C) Tse-tse fly. D) Mosquito bite. Show Answer Correct Answer: A) Drinking water containing eggs of Ascaris. 23. Plasmodium enter human body as A) Sporozoites. B) Merozoits. C) Gametocytes. D) None of the above. Show Answer Correct Answer: A) Sporozoites. 24. ..... X is blood cancer found in ..... Y A) X=leukaemia, Y=RBCs. B) X=leukaemia, Y=blood plasma. C) X=leukaemia, Y=WBCs. D) X=sarcoma, Y=WBCs. Show Answer Correct Answer: C) X=leukaemia, Y=WBCs. 25. MALT constitutes about ..... percent of lymphoid tissue in human body. A) 50%. B) 20%. C) 70%. D) 10%. Show Answer Correct Answer: A) 50%. ← 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