This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 8 Human Health And Disease – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 8 Human Health And Disease Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following acts as a physiological barrier to the entry of microorganisms A) Tear. B) Monocyte. C) Skin. D) Epithelium of urinary tract. Show Answer Correct Answer: A) Tear. 2. The genes causing cancer are: A) Expressor genes. B) Structural genes. C) Regulator genes. D) Oncogenes. Show Answer Correct Answer: D) Oncogenes. 3. Which cells are destroyed by HIV in AIDS? A) Leukocytes. B) Thrombocytes. C) Helper T-lymphocytes. D) B-lymphocytes. Show Answer Correct Answer: C) Helper T-lymphocytes. 4. 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) A. B) B. C) C. D) D. Show Answer Correct Answer: B) B. 5. Elephantiasis, a chronic inflammation that results in gross deformities is caused by A) Ascaris. B) E.coli. C) Trichophyton. D) Wuchereria. Show Answer Correct Answer: D) Wuchereria. 6. 'Ringworm', a common infectious disease in man causing dry scaly lesions on the skin and scalp, is caused by A) Bacteria. B) Round worms. C) Filarial worms. D) Fungi. Show Answer Correct Answer: D) Fungi. 7. 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. 8. 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. 9. Number of polypeptide chain present in a molecule of antibody A) 2. B) 4. C) 6. D) 1. Show Answer Correct Answer: B) 4. 10. Which biological process helps in controlling diseases caused by mosquitos A) Gene therapy. B) RDNA technology. C) Introducing Gambusia in ponds. D) Introducing toads in ponds. Show Answer Correct Answer: C) Introducing Gambusia in ponds. 11. Which of the following glands is large-sized at birth but reduces in size with aging? A) Pineal. B) Pituitary. C) Thymus. D) Thyroid. Show Answer Correct Answer: C) Thymus. 12. 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. 13. 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. 14. 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. 15. 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. 16. 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. 17. Which of the following is not lymphoid tissue? A) Spleen. B) Tonsils. C) Pancreas. D) Thymus. Show Answer Correct Answer: C) Pancreas. 18. Which body organ is affected in typhoid disease: A) Liver. B) Lungs. C) Kidneys. D) Small intestine. Show Answer Correct Answer: D) Small intestine. 19. 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. 20. 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. 21. The most abundant antibody produced against allergens is(a) IgE(b) IgA(c) IgG(d) IgM. A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 22. 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. 23. Which of the following immunoglobulins does constitute largest percentage in human milk A) IgD. B) IgM. C) IgA. D) IgG. Show Answer Correct Answer: C) IgA. 24. Find the incorrect pair out A) Culex malaria. B) Xenopsylla plague. C) Aedes yellow fever. D) Phlebotomus kala-azar. Show Answer Correct Answer: A) Culex malaria. 25. Identify the immunoglobulin that diffuse through placenta A) IgA. B) IgG. C) IgD. D) IgM. Show Answer Correct Answer: B) IgG. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 8 Human Health And Disease Quiz 1Class 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 10Class 12 Biology Chapter 8 Human Health And Disease Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books