This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 8 Human Health And Disease – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 8 Human Health And Disease Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The term 'antitoxin' refers to a preparation containing: A) B-lymphocytes and T-lymphocytes. B) Antibodies to the toxin. C) Weakened pathogen. D) Inactivated T-lymphocytes. Show Answer Correct Answer: B) Antibodies to the toxin. 2. During the life cycle of Plasmodium, sexual reproduction takes place in which of the following hasts A) Human. B) Female Anopheles mosquito. C) Male Anopheles mosquito. D) Both (a) and (b). Show Answer Correct Answer: B) Female Anopheles mosquito. 3. Which of the following is disease that is not infectious? A) Tinea. B) Tuberculosis. C) Dengue fever. D) Cancer. Show Answer Correct Answer: D) Cancer. 4. Haemozoin is associated with A) Maleria. B) Filaria. C) Dengue. D) Pox. Show Answer Correct Answer: A) Maleria. 5. An antibody is a A) Component of blood. B) Secretion of mammalian erythrocyte. C) Molecule that specifically react with an antigen. D) White corpuscle which attack invading bacteria. Show Answer Correct Answer: C) Molecule that specifically react with an antigen. 6. Which of the following approaches are used for the treatment of cancer? A) Immunotherapy. B) Surgery. C) Radiotherapy & chemotherapy. D) All of these. Show Answer Correct Answer: D) All of these. 7. What is the meaning of antigen? A) Ability of the body system to resist pathogens before it is infected. B) Protein produced by white blood cells into the bloodstream. C) Foreign substance that come from outside the body and induces the production of antibodies. D) An animal that transmit pathogen. Show Answer Correct Answer: C) Foreign substance that come from outside the body and induces the production of antibodies. 8. Which of the following is NOT part of the first line of defense? A) Skin. B) B cells. C) Sweat. D) Lysozyme. Show Answer Correct Answer: B) B cells. 9. What is known as pain reliever drug? A) Marijuana. B) Morphine. C) Nicotine. D) LSD. Show Answer Correct Answer: B) Morphine. 10. Typhoid fever in human beings is caused by(a) Plasmodium vivax(b) Trichophyton(c) Salmonella typhi(d) Rhinoviruses. A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 11. Virus is A) Living. B) Non-Living. C) Both. D) None of the above. Show Answer Correct Answer: C) Both. 12. T cells are made in the ..... A) Bone marrow. B) Spleen. C) Thymus. D) Tonsiles. Show Answer Correct Answer: A) Bone marrow. 13. Which of the following statements is not true for cancer cells in relation to mutations? A) Mutations in proto-oncogenes accelerate the cell cycle. B) Mutations destroy telomerase inhibitors. C) Mutations inactivate cell control. D) Mutations inhibit the production of telomerase. Show Answer Correct Answer: D) Mutations inhibit the production of telomerase. 14. Ascaris lumbricoides is a parasitic roundworm that infects A) Pigs. B) Cattle. C) Man. D) Birds. Show Answer Correct Answer: C) Man. 15. A disease characterised by the presence of constipation, , stools, with excess mucous and blood clots A) Malaria. B) Amoebiasis. C) Typhoid. D) Ascariasis. Show Answer Correct Answer: B) Amoebiasis. 16. Artificial immunity can be acquired from a A) Serious illness. B) Vaccination. C) Repeated exposure to the same microbe. D) Treatment with penicillin. Show Answer Correct Answer: B) Vaccination. 17. Which one of the following disease is non-communicable? A) Diphtheria. B) Malaria. C) Cancer. D) Flu. Show Answer Correct Answer: C) Cancer. 18. Protoctista have both a nucleus and organelles A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Which one is not a mode of transmission of AIDS disease: A) Transfusion of contaminated blood. B) Sharing of infected needles. C) Shaking and kissing with infected person. D) Sexual contact with infected person. Show Answer Correct Answer: C) Shaking and kissing with infected person. 20. Name the disease which is confirmed by WIDAL Test? A) Chicken Pox. B) Malaria. C) Typhoid. D) Diphtheria. Show Answer Correct Answer: C) Typhoid. 21. The main reason why antibiotics could not always treat the bacteria-mediated diseases is A) Insensitivity of the individual following prolonged exposure to antibiotics. B) Inactivation of antibiotics by bacterial enzymes. C) Decreased efficiency of immune system. D) The development of mutant bacterial strains resistant to antibiotics. Show Answer Correct Answer: D) The development of mutant bacterial strains resistant to antibiotics. 22. Malignant malaria is caused by A) P. vivax. B) P. malaria. C) P. falciparum. D) P. ovale. Show Answer Correct Answer: C) P. falciparum. 23. The immunoglobulin disulphides do not join A) Two heavy chains. B) Light chain and heavy chains. C) Two light chains. D) All. Show Answer Correct Answer: C) Two light chains. 24. Which one of the following is a viral disease A) Common cold. B) Typhoid. C) Malaria. D) TB. Show Answer Correct Answer: A) Common cold. 25. Covid-19 is a A) Life style disaese. B) Non contageous disease. C) Contageous disease. D) None of the above. Show Answer Correct Answer: C) Contageous disease. ← 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