Which disease is not transmitted by mosquitoes?

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?

It was diagnosed that a patient has lost the power of fighting against any infection.
$(i)$ Name the disease from which the patient is suffering.
$(ii)$ Name the pathogen responsible for the disease.

Which disease is not transmitted by mosquitoes?

The number of dengue cases has increased in Sana's village in the last one year. She read in her textbook that diseases like dengue spread through mosquitoes which breed in stagnant water. She immediately suggested to her friends that they should kill the mosquitoes in water bodies in the locality. They also took the help of the nearest municipal office.
$(a)$ Which preventive measures do you suggest for the prevention of such diseases caused by mosquitoes? Mention any two measures.
$(b)$ Which values are displayed by Sana in taking this initiative?
$(c)$ Suggest one school activity to promote such values in school students.

Classify the following diseases as infectious or non-infectious:
$(a)$ $AIDS$
$(b)$ Tuberculosis
$(c)$ Cholera
$(d)$ High blood pressure
$(e)$ Heart disease
$(f)$ Pneumonia
$(g)$ Cancer