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What is immunization?
What are the two conditions which are essential for being free of disease?
What determines the severity of disease manifestation?
What are the basic principles of preventing an infectious disease?
Why there is no use of giving vaccine of hepatitis A virus?
Give Reasons for the following :
We are normally advised to take bland and nourishing food when we are stick. Why is it so?
It is said that, “if you had smallpox once, there was no chance of suffering from it again.” Why is it so?
It is a known fact that, “milkmaids who had cowpox did not catch smallpox even during epidemics”. Why is it so?
Why HIV infection is considered very fatal?
How antibiotics work against bacteria? Do they have any effect on human cells also? Explain.
Differentiate between communicable and non-communicable diseases.
Differentiate between acute and chronic diseases/
What are the different means by which infectious diseases are spread?
What are the common preventive measures against communicable diseases?
It is said that, “all diseases have immediate and contributory causes”. Explain giving suitable example.
The disease causing microbes enter the body through different means. Do all microbes go to the same tissue or organ, or do they go to different ones?
What are the conditions which are important for individual health?
What are the possibilities that can increase the possibility of poor health at our living place?
Diagrammatically show, how infectious diseases spread?
What precautions can you take in your school to reduce the incidence of infectious diseases?
Suppose you have seen three different patients, one suffering from tuberculosis, second from jaundice and third from acute diarrhea. What visible symptoms you can see in these patients? You can consult these patients or any doctor. Give your opinion about, how to control these diseases.
What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area?
Which disease is not transmitted by mosquitoes?
Which one of the following is not important for individual health?
Bacterial diseases are :
Identify the diseases caused by protozoan :
Which one of the following is not a viral disease?
Which one of the following is not a bacterial disease?
AIDS cannot be transmitted by :
Making anti-viral drugs is more difficult than making anti-bacterial medicines because :
Which one of the following disease is not transmitted by mosquito?
Which one of the following disease is not caused by bacteria?
The role of an active immune system is :
Microbes are classified as :
You are aware of Polio Eradication Programme in your city. Children are vaccinated because:
Viruses, which cause hepatitis, are transmitted through :
Which one of the following causes kala-azar?
If you live in a overcrowded and poorly ventilated house, it is possible that you may suffer from which of the following diseases :
Disease caused by different species of worms includes :
The vaccination given for preventing tuberculosis is :
Which one of the following has a long-term effect on the health of an individual?
Vectors can be defined as ;
During a disease :
Choose the wrong statement :
We should not allow mosquitoes to breed in our surroundings because they :
Which of the following is not an infectious disease?
Which of the following can make you ill if you come in contact with an infected person?
Write true or false for the following statements :
Social equality and harmony are, therefore, necessary for individual health.
The tissues make up physiological systems or organ systems that carry out body functions.
The diseases which last for only short periods of time are called chronic diseases.
Any disease that causes poor functioning of some part of the body will not affect our general health.
Chronic diseases have very drastic long-term effects on people’s health as compared to acute diseases.
All diseases have immediate and contributory causes. Most of the diseases will have many causes, rather than one single cause.
High blood pressure and cancer have mostly external causes and are generally caused by infectious agents.
All viruses live outside host cells whereas bacteria very rarely do.
Antibiotics commonly block biochemical pathways important for bacteria. But viruses do not use these pathways at all, and that is the reason why antibiotics do not work against viral infections.
Syphilis and AIDS are transmitted by casual physical contacts.
