This quiz works best with JavaScript enabled. Home > Cbse > Class 9 > Science > Why Do We Fall Ill > Class 9 Science Chapter 13 Why Do We Fall Ill – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. AIDS IS DISEASE? A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 2. How does hepatitis E spreads A) Water. B) Air. C) Sexual contact. D) None of these. Show Answer Correct Answer: A) Water. 3. AIDS is caused by- A) Fungi. B) Virus. C) Bacteria. D) Protozoa. Show Answer Correct Answer: B) Virus. 4. Any condition that interferes with the proper functioning of the body or mind is a(n) ..... A) Infection. B) Disease. C) Pathogen. D) Illness. Show Answer Correct Answer: B) Disease. 5. Example/s of Acute disease is/are A) Common cold. B) Cough. C) None of these. D) Both common cold and cough. Show Answer Correct Answer: D) Both common cold and cough. 6. Infectious diseases are the diseases that can spread from infected person to the healthy person. Which of the following can make you ill if you come in contact with an infected person? A) Genetic abnormality. B) Blood cancer. C) High blood pressure. D) Sneezing and coughing. Show Answer Correct Answer: D) Sneezing and coughing. 7. Health means the state of ..... A) Physically well-being. B) Mentally well-being. C) Socially well-being. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. Medicine that gives relief from allergy A) Antihistamine. B) Antihistomine. C) Antihistamine. D) Antehistamine. Show Answer Correct Answer: A) Antihistamine. 9. A/an ..... is an injection of a weakened form of a pathogen to help the individual gain immunity from a disease. A) Vaccine. B) Antibiotic. C) Virus. D) Vacuum. Show Answer Correct Answer: A) Vaccine. 10. Which of the following is the vector for dengue? A) Culex mosquito. B) Anopheles mosquito. C) Glossina. D) Aedes mosquito. Show Answer Correct Answer: D) Aedes mosquito. 11. Kala Azar and Amoebic Dysentery diseases are caused by- A) Protozoans. B) Worms. C) Fungi. D) Viruses. Show Answer Correct Answer: A) Protozoans. 12. ..... is related to individual only whereas ..... is depends upon the individual as well as physical and social environment. A) Healthy state, disease free state. B) Disease free state, Healthy state. C) All of the above. D) None of these. Show Answer Correct Answer: B) Disease free state, Healthy state. 13. Assertion:Brain fever enters through a mosquito bite, but affects the brain.Reason:The point of infection is the same as the point of entry. A) Assertion is true, reason is false. B) Assertion is false, reason is true,. C) Assertion and reason are true, reason is correct explanation of of assertion. D) Assertion and reason are true, reason is incorrect explanation of of assertion.TagsMeans of Spread. Show Answer Correct Answer: A) Assertion is true, reason is false. 14. Categories of infectious agents are factors that help in deciding the A) Kind of treatment to use. B) Vector for the transmission of disease. C) Kind of exercise one should do. D) Physical common characteristics. Show Answer Correct Answer: A) Kind of treatment to use. 15. Which one of the following has a long term effect on the health of an individual? A) Stress. B) Chewing tobaco. C) Common Cold. D) Chicken Pox. Show Answer Correct Answer: B) Chewing tobaco. 16. Repeated exposure to a pathogen leads to the development of A) Immunity. B) Disease. C) Cancer. D) Weakness. Show Answer Correct Answer: A) Immunity. 17. Making anti-viral drugs is more difficult than making anti-bacterial medicines because A) (a) viruses make use of host machinery. B) Viruses are on the border line of living and non-living. C) (c) viruses have very few biochemical mechanisms of their own. D) (d) viruses have a protein coat. Show Answer Correct Answer: C) (c) viruses have very few biochemical mechanisms of their own. 18. Many skin diseases are caused by ..... A) Bacteria. B) Fungi. C) Virus. D) None of the above. Show Answer Correct Answer: B) Fungi. 19. Principles of treatment of diseases is- A) To reduce the effect of disease. B) To kill the microbes. C) Both to kill the microbes and reduce the effect of disease. D) None of above. Show Answer Correct Answer: C) Both to kill the microbes and reduce the effect of disease. 20. Goitre is a type of A) Deficiency disease. B) Infectious disease. C) Contagious disease. D) Genetic disorder. Show Answer Correct Answer: A) Deficiency disease. 21. Specific prevention is provided by the immune system when it produce some specific molecules called ..... A) Antigens. B) Antibodies. C) Proteins. D) None of the above. Show Answer Correct Answer: B) Antibodies. 22. We can prevent exposure to infectious diseases of the stomach and intestine, which can spread through contaminated food, by ensuring the proper disposal of waste. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. Causes of Diseases are- A) Genetic Disorders. B) Environmental Pollution. C) Poor health and nourishment. D) All of above. Show Answer Correct Answer: D) All of above. 24. If a person is having tuberculosis, which part of his body is affected? A) Lungs. B) Heart. C) Liver. D) Stomach. Show Answer Correct Answer: A) Lungs. 25. Malaria is caused by bacterium Plasmodium A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 26. AIDS is transmitted through A) Through vectors. B) Through body fluids. C) Through contact. D) None of the above. Show Answer Correct Answer: B) Through body fluids. 27. Penicillin cannot be used to treat viral diseases because A) Viruses have no cell wall. B) Viruses cannot multiply. C) Viruses are much smaller in size than bacteria. D) The genetic material of viruses changes rapidly. Show Answer Correct Answer: A) Viruses have no cell wall. 28. Vectors can be defined as A) Animals carrying the infecting agents from sick person to another healthy person. B) Diseased plants. C) Infected person. D) Microorganisms which cause many diseases. Show Answer Correct Answer: A) Animals carrying the infecting agents from sick person to another healthy person. 29. AIDS IS A COMMUNICABLE BY A) BLOOD CONTACT. B) SEXUAL CONTACT. C) SLAIVARY CONTACT. D) ALL. Show Answer Correct Answer: D) ALL. 30. Mosquitoes, Dogs, and Fleas are examples of ..... A) Scalars. B) Vectors. C) Animals. D) None of the above. Show Answer Correct Answer: B) Vectors. 31. What is the full form of BCG vaccine A) Bacillus Calmela Gauron. B) Bacillus Cholera Germ. C) Bacillus Calmette Guerin. D) Bacillus Chalmra Guerin. Show Answer Correct Answer: C) Bacillus Calmette Guerin. 32. Microbes that enter the body through vectors most likely affects A) Lungs. B) Liver. C) Heart. D) Brain. Show Answer Correct Answer: D) Brain. 33. What does being Healthy Means? A) Being a Disease free Person. B) Having a Balanced Diet. C) Being Socially, Mentally and Physically well. D) Being Rich. Show Answer Correct Answer: C) Being Socially, Mentally and Physically well. 34. Which one of the following has along term effect on the health of an individual? A) Chewing tobacco. B) Common cold. C) Stress. D) Chicken pox. Show Answer Correct Answer: A) Chewing tobacco. 35. Liver is damaged by the ..... i ..... in the disease ..... ii ..... A) I-bacteria, ii-jaundice. B) I-bacteria, ii-pneumonia. C) I-Virus, ii-Pneumonia. D) I-Virus, ii-jaundice. Show Answer Correct Answer: D) I-Virus, ii-jaundice. 36. If brain is targetted, what are the symptoms? A) Fits. B) Vomiting. C) Headache. D) All the above. Show Answer Correct Answer: D) All the above. 37. Assertion:Antibiotic is given to treat orprevent the bacterial infection.Reason:Antibiotic stops the growth ofbacteria. 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. 38. Identify a protozoan disease- A) Ringworm. B) Amoebiasis. C) Diphtheria. D) Measles. Show Answer Correct Answer: B) Amoebiasis. 39. Which of the following disease do not spread through air? A) Pneumonia. B) Cold and cough. C) Tuberculosis. D) Typhoid. Show Answer Correct Answer: D) Typhoid. 40. The chemical that kill or stop the growing of certain kind of microbes are called- A) Microbes. B) Antibiotics. C) Vaccines. D) Fungi. Show Answer Correct Answer: B) Antibiotics. 41. Which among the following is not true for Communicable disease A) Caused by extrinsic or external factors. B) Attack of pathogens. C) Diabetes is an example of infectious. D) Occur through direct contact. Show Answer Correct Answer: C) Diabetes is an example of infectious. 42. True or false:A disease-free person will always be healthy. A) True. B) FalseTagsHealthy and Disease-free. C) All the above. D) None of the above. Show Answer Correct Answer: B) FalseTagsHealthy and Disease-free. 43. The vector for Yellow fever is: A) Rat. B) Flea. C) Housefly. D) Mosquito. Show Answer Correct Answer: D) Mosquito. 44. THE DISEASES WHICH CAN SPREAD IS CALLED A) NON COMUNICABLE OR NON INFECTIOUS. B) COMMUNICABLE OR INFECTIOUS. C) NON COMMUNICABLE OR INFECTIOUS. D) COMMUNICABLE OR NON INFECTIOUS. Show Answer Correct Answer: B) COMMUNICABLE OR INFECTIOUS. 45. Antibiotics works against A) Algae. B) Fungi. C) Virus. D) Bacteria. Show Answer Correct Answer: D) Bacteria. 46. Difference between 'healthy' and disease free is? A) There's no difference. B) Disease free means being physically fit whereas healthy corresponds with being emotionally as well as physically fit. C) They are antonyms. D) None of the above. Show Answer Correct Answer: B) Disease free means being physically fit whereas healthy corresponds with being emotionally as well as physically fit. 47. Peptic ulcers are due to ..... A) Fungi. B) Protozoa. C) Virus. D) Bacteria. Show Answer Correct Answer: D) Bacteria. 48. Droplet infection is a mode of? A) Indirect transmission. B) Termite transmission. C) Direct transmission. D) Pathogen spread through mosquitoes. Show Answer Correct Answer: A) Indirect transmission. 49. Hippocrates lived from A) 460-359B. B) 460-358 BC. C) 460-357. D) 460-356BC. Show Answer Correct Answer: A) 460-359B. 50. ORS Full form is? A) Oral Reactive Solution. B) Oral Rehydration Solution. C) Oval Rehydration Solution. D) Oral Rehydration Syndrome. Show Answer Correct Answer: B) Oral Rehydration Solution. 51. Making anti-viral drugs is more difficult than making anti-bacterial medicines because?1.Viruses make use of host machinery2.Viruses are on the border line of living and non-living3.Viruses have very few biochemical mechanisms of their own4.Viruses have a protein coat A) ONLY 1 AND 3. B) ONLY 3. C) ONLY 2 AND 4. D) ONLY 1. Show Answer Correct Answer: B) ONLY 3. 52. Where has the word vaccine come from A) Arab, meaning syringe. B) Dutch, meaning immune. C) Greek, meaning cow. D) Latin, meaning cow. Show Answer Correct Answer: D) Latin, meaning cow. 53. The antibiotic penicillin is derived from: A) Bacteria. B) Fungi. C) Protozoa. D) Virus. Show Answer Correct Answer: B) Fungi. 54. According to you health is ..... A) Mentally fit. B) Physically fit. C) Socially fit. D) All. Show Answer Correct Answer: D) All. 55. Which disease is not transmitted by mosquitoes? A) Dengue. B) Brain fever or encephalitis. C) Pneumonia. D) Malaria. Show Answer Correct Answer: C) Pneumonia. 56. Assertion:Communicable diseases are calledinfectious diseases.Reason:Cancer is a communicable disease. 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: C) If Assertion is true but Reason is false. 57. The method of immunisation was first tried by ..... A) Louis Hook. B) Robert Hooke. C) Louis Pasteur. D) Edward Jenner. Show Answer Correct Answer: D) Edward Jenner. 58. The symptom of goitre is A) Swelling of eye. B) Swelling of the liver. C) Swelling of the limbs. D) Swelling of the thyroid gland. Show Answer Correct Answer: D) Swelling of the thyroid gland. 59. Which of the followingstatement is correct for a chronic case? A) It is a long-lasting disease. B) It does not cause much weakness. C) It does not damage any organ. D) It lasts for a short period. Show Answer Correct Answer: A) It is a long-lasting disease. 60. Name any two water borne diseases A) Jaundice & Typhoid. B) Typhoid & Chloera. C) Malaria & Jaundice. D) Chloera & Malaria. Show Answer Correct Answer: B) Typhoid & Chloera. ← PreviousNext →Related QuizzesScience QuizzesClass 9 QuizzesClass 9 Science Chapter 13 Why Do We Fall Ill Quiz 1Class 9 Science Chapter 13 Why Do We Fall Ill Quiz 2Class 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 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books