Classify infectious agents into different categories and also mention the diseases caused by them.
The different categories of infectious agent along with the diseases which they caused are :
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
Which amongst the two diseases : acute or chronic has adverse effect on the health of a person? Explain giving a suitable example.
(i) Why a person suffering from AIDS cannot fight even small infections ?
(ii) In a slum area, many people are suffering from malaria. Mention any two unhygienic conditions that must be prevailing in that locality.
(iii) Why female Anopheles mosquito feeds on human blood ? [SAII – 2014]
List any three reasons why you would think that you are sick and ought to see a doctor. If only one of these symptoms were present, would you still go to the doctor ? Why or why not ?
Classify infectious agents into different categories and also mention the diseases caused by them.
What do signs and symptoms indicate if a person is suffering from any disease ? [SAII -2014]
Becoming exposed to or infected with an infectious microbe (toes not necessarily mean developing noticeable disease. Explain.
Differentiate between communicable and non-communicable diseases. Give one example of each.
(i) Which bacterium causes peptic ulcers ?
(ii) Who discovered the above pathogen for the first time ?
A baby is not able to tell her / his caretakers that she / he is sick. What would help us to find out:
(a) that the baby is sick ?
(b) what is the sickness ?
List any four essential factors that must be taken icare of by an individual for keeping good health.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Under which of the following conditions are you most likely to fall sick ?
(a) when you are taking examinations.
(b) when you have travelled by bus and train for two days.
(c) when your friend is suffering from measles. Why ?
Who discovered ‘vaccine’ for the first time ? Name two diseases which can be prevented by using vaccines.
“On exposure with an infectious microbe does not necessarily mean developing noticeable disease”. Do you agree ? Explain with reason. If yes, how severe infections occur in our body ?
Why do some children fall ill more frequently than others living in the same locality ?
State giving reasons whether the following statements are correct or not: