This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 8 Human Health And Disease – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 8 Human Health And Disease Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Transmission of HIV-infection generally occurs by A) Shaking hands with the infected person. B) Eating food with the infected person. C) Using clothes of infected person. D) Sexual contact with infected person. Show Answer Correct Answer: D) Sexual contact with infected person. 2. Which of the following immune responses is responsible of kidney graft? A) Cell mediated immune response. B) Auto immune response. C) Humoral immune response. D) Inflammatory immune response. Show Answer Correct Answer: A) Cell mediated immune response. 3. Using drugs or medicines to destroy cancer cells. A) Chemotherapy. B) Radiation therapy. C) Cancer surgery. D) Mitotic spindling. Show Answer Correct Answer: A) Chemotherapy. 4. Blood vessels near a wound dilate and become more permeable in response to which material released from damaged cells? A) Pyrogens. B) Antibodies. C) Histamine. D) Interferons. Show Answer Correct Answer: C) Histamine. 5. Which of the following is not correct with respect to malaria? A) RBCs rupture and release haemozoin which causes chills. B) Sporozoites multiply in blood. C) Female Anopheles mosquito is the vector. D) Malignant malaria is caused by Plasmodium falciparum. Show Answer Correct Answer: B) Sporozoites multiply in blood. 6. The immunoglobulin abundant in colostrum, is(a) Ig D(b) Ig A(c) Ig G(d) Ig M A) A. B) B. C) C. D) D. Show Answer Correct Answer: B) B. 7. Congenital disorders are due to A) Genetic mutations. B) Chromosomal abberations. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 8. Innate immunity is A) Immunity develops after birth. B) By birth immunity. C) Immunity after vaccination. D) Immunity developed after infection. Show Answer Correct Answer: B) By birth immunity. 9. The toxic substance associated with the rupture of RBCs which is responsible for the chills and high fever to recur in a Malarial infection is A) Haemoglobin. B) Haemozoin. C) Haemocyanin. D) Haemerythrin. Show Answer Correct Answer: B) Haemozoin. 10. In the immune system, the interferons are a part of A) Physiological barrier. B) Cellular barrier. C) Physical barrier. D) Cytokine barrier. Show Answer Correct Answer: D) Cytokine barrier. 11. How does washing hands help in preventing illness? A) Washing hands helps prevent illness by removing germs and reducing the spread of infections. B) Washing hands increases the number of germs on the skin. C) Washing hands only cleans dirt but not germs. D) Washing hands has no effect on illness prevention. Show Answer Correct Answer: A) Washing hands helps prevent illness by removing germs and reducing the spread of infections. 12. Antibodies are produced by A) B-lymphocytes and T-lymphocytes. B) B-lymphocytes. C) T-lymphocytes. D) T-memory cells. Show Answer Correct Answer: B) B-lymphocytes. 13. Opioids affects A) Central Nervous System. B) Peripheral Nervous System. C) Autonomic nervous system. D) Liver. Show Answer Correct Answer: A) Central Nervous System. 14. Tetanus is caused by A) Bacteria. B) Virus. C) Fungi. D) Protozoa. Show Answer Correct Answer: A) Bacteria. 15. Read the following statements and select the correct optinon Statement 1:Malarial parasite requires two hosts humans and Haemozoin is a toxic substance produced by the rupturing of liver cells during malarial infection A) Mosquitoes to ca) Both statements 1 and 2 are correct. B) Statement 1 is correct but statement 2 is incorrect. C) Statement 1 is incorrect but statement 2 is correct. D) Both statements 1 and 2 are incorrect. Show Answer Correct Answer: B) Statement 1 is correct but statement 2 is incorrect. 16. Grit and small pebbles in the sewage is removed by A) Sedimentation. B) Filtration. C) All the above. D) None of the above. Show Answer Correct Answer: A) Sedimentation. 17. Damage to thymus in a child may lead to A) A reduction in haemoglobin content of blood. B) A reduction in stem cell production. C) Loss of antibody mediated immunity. D) Loss of cell mediated immunity. Show Answer Correct Answer: D) Loss of cell mediated immunity. 18. AIDS was first reported in A) 1971. B) 1981. C) 1961. D) 1951. Show Answer Correct Answer: B) 1981. 19. Which of the follwoing is responsible for Graft Rejection? A) Cell-mediated immune response. B) Humoral immune response. C) All the above. D) None of the above. Show Answer Correct Answer: A) Cell-mediated immune response. 20. Which way a pathogen can enter the body? A) Nose. B) Injured skin. C) Mouth. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. Which of the following is an autoimmune disease? A) Asthma. B) Rheumatoid anthritis. C) Cirrhosis. D) AIDS. Show Answer Correct Answer: B) Rheumatoid anthritis. 22. Haemozoin is A) Precursor of haemoglobin. B) Toxin released from Streptococcus infected cells. C) Toxin released from Haemophilus infected cells. D) Toxin released from Plasmodium infected cells. Show Answer Correct Answer: D) Toxin released from Plasmodium infected cells. 23. Widel test is used to confirm ..... A) AIDS. B) Malaria. C) Hepatitis. D) Typhoid. Show Answer Correct Answer: D) Typhoid. 24. Identify the disease-caused by rhino virus A) Tetanus. B) Typhid. C) Pneumonia. D) Common cold. Show Answer Correct Answer: D) Common cold. 25. A person likely to develop tetanus is immunized by administering A) Preformed antibodies. B) Dead germs. C) Weakened germs. D) Wide spectrum antibiotics. Show Answer Correct Answer: A) Preformed antibodies. ← 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 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