This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 8 Human Health And Disease – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 8 Human Health And Disease Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following facrtors affect human health?(i) Infections(ii) Silent mutation(iii) Life style(iv) Genetic disorders(a) (i), (ii)and(iv)(b) (i) and (ii)(c) (i), (iii) and (iv)(d) (i), (ii), (iii) and (iv) A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 2. Antiviral substances produced by many vertebrates in response to viral infection for resisting the multiplication of virus is known as A) Virion. B) Interferon. C) Antiviral drugs. D) Antivirin. Show Answer Correct Answer: B) Interferon. 3. When plants/animals are infected with virus, they may produce an anti-viral substance that is capable of inhibiting the multiplication of that virus. Identify the correct name of this substance. A) Virion. B) Anti-virion. C) Antigen. D) Interferons. Show Answer Correct Answer: D) Interferons. 4. Adolescents become drug addicts mainly due to the following causes except- A) Peer pressure. B) Curiosity. C) Mental disorder. D) To avoid tension. Show Answer Correct Answer: C) Mental disorder. 5. Babies acquire ..... immunity to some diseases before birth and are protected during the first six months after they are born. A) Pasive. B) Passive. C) Active. D) Actitive. Show Answer Correct Answer: B) Passive. 6. Practicipating in an exercise programme can A) Increase self esteem. B) Decrease self confidence. C) Decrease sense of empowerment. D) All the above. Show Answer Correct Answer: A) Increase self esteem. 7. When a quick immune response is required due to infection of a deadly microbe, the patient is injected with A) Protein of pathogen. B) Inactivated or weakened pathogen. C) Preformed antibodies. D) Vaccine. Show Answer Correct Answer: C) Preformed antibodies. 8. India is free from following diseases? A) AIDS. B) Cancer. C) Polio. D) TB. Show Answer Correct Answer: C) Polio. 9. A protein or polysaccharide molecule that stimulates antibody formation. A) Antigen. B) Antibiotics. C) Exotoxin. D) Endotoxins. Show Answer Correct Answer: A) Antigen. 10. The non-specific type of defense present in our body is A) Acquired immunity. B) Innate immunity. C) All the above. D) None of the above. Show Answer Correct Answer: B) Innate immunity. 11. 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 A) A. B) B. C) C. D) D. Show Answer Correct Answer: B) B. 12. The antibodies produced against allergens are ..... A) IgA. B) IgM. C) IgE. D) IgG. Show Answer Correct Answer: C) IgE. 13. Motile zygote of Plasmodium occurs in: A) Gut of female Anolpheles. B) Salivary glands of Anopheles. C) Human RBCs. D) Human liver. Show Answer Correct Answer: A) Gut of female Anolpheles. 14. The following test is used for detection of AIDS A) SWAB TEST. B) ELISA TEST. C) BLOOD PROFILE TEST. D) CULTURE TEST. Show Answer Correct Answer: B) ELISA TEST. 15. Interferon is a glycoprotein which is A) Antifungal. B) Antibacterial. C) Antiviral. D) All of them. Show Answer Correct Answer: C) Antiviral. 16. Which fungi causes Ringworm? A) Microsporum. B) Trichophyton. C) Epidermophyton. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. Cell-mediated immunity is provided by A) B-lymphocytes. B) T-lymphocytes. C) All the above. D) None of the above. Show Answer Correct Answer: B) T-lymphocytes. 18. What is the protein coat and genetic material present in HIV? A) Ss RNA. B) Ds RNA. C) Ss DNA. D) Ds DNA. Show Answer Correct Answer: A) Ss RNA. 19. Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections? [NCERT Exemplar](a) auto-immune response(b) humoral immune response(c) physiological immune response(d) cell-mediated immune response A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 20. HIV causes AIDS by attacking WBC called ..... A) CD4 Th cells. B) CD8 Tc cells. C) None of the above. D) None of the above. Show Answer Correct Answer: A) CD4 Th cells. 21. Out of the following diseses which are caused due to bacterial infection?A. TyphoidB. ElephantiasisC. CholeraD. Tuberculosis A) A, B. B) B, C. C) A, C, D. D) A, B, C, D. Show Answer Correct Answer: C) A, C, D. 22. What are the types of immunity? A) Innate immunity. B) Acquired immunity. C) Both. D) None. Show Answer Correct Answer: C) Both. 23. Opium is extracted from A) Atropa belladona. B) Papaver somniferum. C) Erythroxylum coca. D) Cannabis Sativa. Show Answer Correct Answer: B) Papaver somniferum. 24. Messenger molecules, released by virus-infected cells, that bind to the surfaces of healthy cells and stimulate them to synthesize proteins that prevent viral reproduction are called A) Interferons. B) Antibiotics. C) Cytotoxins. D) Lymphokines. Show Answer Correct Answer: A) Interferons. 25. Which antibody is present abundantly in colostrum A) IgA. B) IgM. C) IgE. D) IgG. Show Answer Correct Answer: A) IgA. ← 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