You can prepare effectively for Class 9 Class 9: Additional Practice with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Why do we fall ill- Case Based Type Questions". These 15 questions have been designed by the experts with the latest curriculum of Class 9 2026, to help you master the concept.
Test Highlights:
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Direction: Read the given situations and answer the following questions.
(i) Seema of class IX was having common cold. She sits with Sarika who also develops the disease.
(ii) Meena of class IX shifted to a new residence, with his family, where water purification system has not been installed yet. He develops cholera and dysentery.
Q. The mode of transmission of common cold is :
Detailed Solution: Question 1
Direction: Read the given situations and answer the following questions.
(i) Seema of class IX was having common cold. She sits with Sarika who also develops the disease.
(ii) Meena of class IX shifted to a new residence, with his family, where water purification system has not been installed yet. He develops cholera and dysentery.
Q. What type of food you have to take when you are sick?
Detailed Solution: Question 2
Direction: Read the given situations and answer the following questions.
(i) Seema of class IX was having common cold. She sits with Sarika who also develops the disease.
(ii) Meena of class IX shifted to a new residence, with his family, where water purification system has not been installed yet. He develops cholera and dysentery.
Q. Communicable diseases that transmitted from person to person is :
Detailed Solution: Question 3
Direction: Read the given situations and answer the following questions.
(i) Seema of class IX was having common cold. She sits with Sarika who also develops the disease.
(ii) Meena of class IX shifted to a new residence, with his family, where water purification system has not been installed yet. He develops cholera and dysentery.
Q. Cholera is a :
Detailed Solution: Question 4
Direction: Study the picture and answer the following questions.

Q. Identify the mode of transmission of disease in above picture :
Detailed Solution: Question 5
Direction: Study the picture and answer the following questions.

Q. Infected Organism is a :
Detailed Solution: Question 6
Direction: Study the picture and answer the following questions.

Q. Which disease you can observe through this picture :
Detailed Solution: Question 7
Direction: Study the picture and answer the following questions.

Q. Common Cold is a :
Detailed Solution: Question 8
Direction: Although Sonia has been suffering from cold and cough she decided to appear for her class test. Classmates seated close to her had an exposure to the infection being carried by Sonia. However, only one of them actually suffered from cold and cough.
Q. Cough and cold is a :
Detailed Solution: Question 9
Direction: Although Sonia has been suffering from cold and cough she decided to appear for her class test. Classmates seated close to her had an exposure to the infection being carried by Sonia. However, only one of them actually suffered from cold and cough.
Q. Disease producing agent :
Detailed Solution: Question 10
Direction: Although Sonia has been suffering from cold and cough she decided to appear for her class test. Classmates seated close to her had an exposure to the infection being carried by Sonia. However, only one of them actually suffered from cold and cough.
Q. System of an individual that fights off infection carrying microbes :
Detailed Solution: Question 11
Direction: Although Sonia has been suffering from cold and cough she decided to appear for her class test. Classmates seated close to her had an exposure to the infection being carried by Sonia. However, only one of them actually suffered from cold and cough.
Q. Preventive measure to control Cough and Cold :
Detailed Solution: Question 12
Direction: Read the passage and answer the following questions.
Human beings live in societies and different localities like villages or cities, which determine the social and physical environment, both are to be kept in harmony. Public cleanliness is important for individual health. A lot of money is required for maintaining better living conditions. We need good food for healthy body and for this we have to earn more. For the treatment of diseases also, one has to be in good economic condition.
Q. State of physically, mentally and socially well being:
Detailed Solution: Question 13
Direction: Read the passage and answer the following questions.
Human beings live in societies and different localities like villages or cities, which determine the social and physical environment, both are to be kept in harmony. Public cleanliness is important for individual health. A lot of money is required for maintaining better living conditions. We need good food for healthy body and for this we have to earn more. For the treatment of diseases also, one has to be in good economic condition.
Q. What is essential for good health?
Detailed Solution: Question 14
Direction: Read the passage and answer the following questions.
Human beings live in societies and different localities like villages or cities, which determine the social and physical environment, both are to be kept in harmony. Public cleanliness is important for individual health. A lot of money is required for maintaining better living conditions. We need good food for healthy body and for this we have to earn more. For the treatment of diseases also, one has to be in good economic condition.
Q. On administration of Vaccine, body develops :
Detailed Solution: Question 15
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