7.
1. Distinguish between-Infectious and non-
infectious diseases.
2. Identify the odd term.
a. Malaria, hepatitis, elephantiasis, dengue.
b. Plague, AIDS, cholera, T.B.
3. Answer in one to two sentences.
a. Which are various media of spreading
the infectious diseases?
b. Give the names of five non-infectious
diseases other than given in the lesson.
c. Which are the main reasons of diabetes
and heart diseases?
What can behieved
Answers
7.
1.Ans- Infectious diseases are those diseases which are caused by viruses and bacteria and which can harm our body by various means and which can be transmitted from one person to another. Infectious diseases maybe transmitted from one person to another through coughing, sneezing or by using the same towel and bedsheets of the infected person. For eg- chickenpox, malaria.
Whereas, non infectious diseases are those diseases which cannot be transmitted from one person to the other. These diseases are caused by pathogens. Infectious diseases are not transmitted through coughing and sneezing. Eg- diabetes, asthma.
2.
a. Elephantiasis
b. AIDS
3.
a.Ans- There are numerous medias and ways in which infections diseases can be spread. One of the most common ways of spreading disease is by poor hygein. Maintaining a proper and clean hygiene should be ones top priority in order to avoid getting infected by different dieases. Other factors such as wind , air and water also adds in the spreading of infectious diseases.
b.Ans- Five non infectious diseases are Heart disease, stroke, diabetes, cancer and chronic lung disease
c.Ans- The exact reason for the cause of diabetes is ascertain but one reason of diabetes is the build up of the sugar in the blood stream and this is because, the pancreas doesnt produce enough insulin.
And the reason of heart disease are high blood pressure, high blood cholesterol and smoking are the key factors which leads to heart disease in many people .