This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Science Chapter 13 Why Do We Fall Ill – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Diseases are classified As Acute Or Chronic depending on their A) Duration. B) Severity. C) Target organ. D) All of the above. Show Answer Correct Answer: A) Duration. 2. Which of the following is/are the proper way(s) of using antibiotics? (1) Use only when infected with viruses.(2) Use only one kind of antibiotic at one time.(3) Complete the course even after all signs and symptoms of the disease have disappeared. A) Only. B) Only. C) Only. D) And (3) only. Show Answer Correct Answer: A) Only. 3. HIV virus attacks one of the following cells in our body A) Red blood cells. B) White blood cells. C) Liver cell. D) Long cell. Show Answer Correct Answer: D) Long cell. 4. Identify the odd one from the following. A) Diphtheria. B) Cancer. C) Tetanus. D) Whooping cough. Show Answer Correct Answer: B) Cancer. 5. Which of the following cannot be transmitted by mosquito? A) Dengue. B) Brain fever. C) Malaria. D) Chicken pox. Show Answer Correct Answer: D) Chicken pox. 6. Which of the following causes Sleeping Sickness? A) Roundworm. B) Leishmania. C) Trypanosoma. D) Plasmodium. Show Answer Correct Answer: C) Trypanosoma. 7. Select the intrinsic disease causing factor among the following. A) Microorganisms. B) Environmental pollutants. C) Abnormal hormone secretion. D) Inadequate diet. Show Answer Correct Answer: C) Abnormal hormone secretion. 8. Our immune system provides a specific prevention to infectious diseases by killing only invading microbe A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 9. Inflamation of the fluid and membrane surrounding your brain and spinal cord is? A) Meningitis. B) Tuberculosis. C) Elephantasis. D) Anthrax. Show Answer Correct Answer: A) Meningitis. 10. Cold is an example of acute disease A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. Liz notices that shortly after cutting her arm accidentally the area around the cut is turning red and feeling hot. Which immune system defense is Liz experiencing? A) Inflammation. B) White blood cell clotting. C) Skin. D) Fever. Show Answer Correct Answer: A) Inflammation. 12. What type of disease is Syphilis and how does it spreads A) Acute and water. B) Chronic and air borne. C) Actue and non infectious. D) Chronic and Sexual contact. Show Answer Correct Answer: D) Chronic and Sexual contact. 13. Which pathogen needs a host cell to reproduce? A) Virus. B) Bacteria. C) Fungus. D) Parasite. Show Answer Correct Answer: A) Virus. 14. The bacterium among these is A) Plasmodium. B) Salmonella typhi. C) Trypanosoma. D) Yeast. Show Answer Correct Answer: B) Salmonella typhi. 15. Which one of the following disease is caused by bacteria? (a) Typhoid (b) Anthrax (c) Tuberculosis (d) Malaria A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 16. HIV AIDS is caused due to A) Airborne disease. B) Waterborne disease. C) Due to sexual contact. D) Due to food contamination. Show Answer Correct Answer: C) Due to sexual contact. 17. Assertion:Some communicable diseasesspread by means of droplets.Reason:The droplets of saliva and naso-pharyngeal secretions may contain millions ofbacteria and viruses. A) If both Assertion and Reason are true and Reason is the correct explanation of Assertion. B) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion. C) If Assertion is true but Reason is false. D) If both Assertion and Reason are false. Show Answer Correct Answer: A) If both Assertion and Reason are true and Reason is the correct explanation of Assertion. 18. We should not allow mosquitoes to breed in our surroundings because they A) Multiply very fast and cause pollution. B) Are vectors for many diseases. C) Bite and cause skin diseases. D) Are not important insects. Show Answer Correct Answer: B) Are vectors for many diseases. 19. Name 3 ways one can keep themselves safe from sickness and disease. A) Staying indoors at all times, stand 6m away from people at all times, take medicines daily. B) In the scenario of sickness, visit a doctor, wash your hands, and do not get vaccinated. C) Washing your hands before eating is not necessary. Do not visit a doctor for sickness of any kind. Get vaccinated. D) Get fully vaccinated, take expert advice for sickness, and wash your hands regularly. Show Answer Correct Answer: D) Get fully vaccinated, take expert advice for sickness, and wash your hands regularly. 20. Dakshita is lately suffering from many skin diseases. Who do you think it's caused by? A) Bacteria. B) Virus. C) Fungi. D) Protozoan. Show Answer Correct Answer: C) Fungi. 21. T.B. (Tuberculosis) is caused by: A) Vibrio Cholerae. B) Mycobacterium tuberculosis. C) HIV virus. D) Salmonella typhi (bacteria). Show Answer Correct Answer: B) Mycobacterium tuberculosis. 22. Jaundice is a disease of (a) kidney (b) liver (c) pancreas (d) duodenum A) A. B) B. C) C. D) D. Show Answer Correct Answer: B) B. 23. Which protozoan cause Kala-Azar? A) Trypanosoma. B) Leishmania. C) Plasmodium. D) None. Show Answer Correct Answer: B) Leishmania. 24. The antibiotic penicillin is a ..... A) Protozoa. B) Fungi. C) Bacteria. D) Virus. Show Answer Correct Answer: B) Fungi. 25. All microoganisms can cause diseases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. ← PreviousNext →Related QuizzesClass 9 Science Chapter 13 Why Do We Fall Ill Quiz 1Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 3Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 4Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 5Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 6Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 7Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 8Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 9Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 10Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books