If you live in an overcrowded and poorly ventilated house,it is possible that you may suffer from which of the following diseases?

Label the modes of disease transmission from $(a)$ to $(f)$ in the provided diagram.

Name diseases which are caused by:
$(i)$ virus
$(ii)$ bacteria
$(iii)$ protozoa.
(Give two examples for each)

Which one of the following has a long-term effect on the health of an individual?

Students of class $IX$ had to present a seminar on 'Dengue fever'. They wanted to introduce the disease by starting with:
$(a)$ Immediate causes of the diseases
$(b)$ Definition of infectious diseases
$(c)$ Pathogen causing dengue fever
$(d)$ Vector responsible for dengue microbe.
Can you help them to explain the above points? Give details.

What is inflammation? Write the symptoms of this in the human body.