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Why do we fall ill- Case Based Type Questions - Free with solutions


MCQ Practice Test & Solutions: Test: Why do we fall ill- Case Based Type Questions (15 Questions)

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:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 15

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Test: Why do we fall ill- Case Based Type Questions - 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. The mode of transmission of common cold is :

Detailed Solution: Question 1

The mode of transmission of common Cold is through air.

Test: Why do we fall ill- Case Based Type Questions - 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. What type of food you have to take when you are sick?

Detailed Solution: Question 2

Blend and nourishing food provides adequate amount of nutrients required for regeneration of cells and tissues.

Test: Why do we fall ill- Case Based Type Questions - 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. Communicable diseases that transmitted from person to person is :

Detailed Solution: Question 3

A Contagious disease spread by transmission of a pathogen from an infected person to another person.

Test: Why do we fall ill- Case Based Type Questions - Question 4

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

Cholera is a water borne disease, it is infections that leads to watery diarrhoea which further causes dehydration. It is caused by bacterium called Vibrio cholera.

Test: Why do we fall ill- Case Based Type Questions - Question 5

Direction: Study the picture and answer the following questions.

Q. Identify the mode of transmission of disease in above picture :

Detailed Solution: Question 5

Droplet nuclei carried in air currents for minutes to hours

Test: Why do we fall ill- Case Based Type Questions - Question 6

Direction: Study the picture and answer the following questions.

Q. Infected Organism is a :

Detailed Solution: Question 6

An Organism that is infected with or is fed upon by a parasitic or pathogenic organism is known as a Host.

Test: Why do we fall ill- Case Based Type Questions - Question 7

Direction: Study the picture and answer the following questions.

Q. Which disease you can observe through this picture :

Detailed Solution: Question 7

The picture shows Cough and Cold.

Test: Why do we fall ill- Case Based Type Questions - Question 8

Direction: Study the picture and answer the following questions.

Q. Common Cold is a :

Detailed Solution: Question 8

Common cold is a Viral disease.

Test: Why do we fall ill- Case Based Type Questions - 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. Cough and cold is a :

Detailed Solution: Question 9

Cough and Cold last for only short period of time. Hence, it is an acute disease.

Test: Why do we fall ill- Case Based Type Questions - 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. Disease producing agent :

Detailed Solution: Question 10

Pathogens are disease producing agent such as a virus or bacteria or other microorganism.

Test: Why do we fall ill- Case Based Type Questions - 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. System of an individual that fights off infection carrying microbes :

Detailed Solution: Question 11

Immune system of individual is fight off infection carrying microbes.

Test: Why do we fall ill- Case Based Type Questions - Question 12

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

To avoid communicable diseases, we should keep our surroundings neat and clean. Toilets should be kept clean and should eat healthy food.

Test: Why do we fall ill- Case Based Type Questions - 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. State of physically, mentally and socially well being:

Detailed Solution: Question 13

Health is a state of being well enough to function well physically, mentally and socially, and these conditions depend upon the surrounding environmental conditions.

Test: Why do we fall ill- Case Based Type Questions - 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. What is essential for good health?

Detailed Solution: Question 14

Personal hygiene reduces exposure to infections agents. Balanced Diet provides sufficient energy and nutrients which are required for regeneration. Immunisations against severe diseases should be taken.

Test: Why do we fall ill- Case Based Type Questions - Question 15

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

On administration of Vaccine, the body starts developing antibodies against it such that the person is protected from the disease, body develops a memory and immediately produces antibodies on further exposes.

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