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.

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(N/A) Preventive measures include:
$(i)$ Avoid water logging in and around the house to prevent mosquito breeding.
$(ii)$ Use mosquito nets,repellents,and wear full-sleeved clothing to prevent mosquito bites.
$(b)$ The values displayed by Sana are:
$(i)$ Social responsibility and community service.
$(ii)$ Proactive approach and awareness regarding public health.
$(c)$ $A$ school activity to promote such values could be organizing a 'Cleanliness Drive' or an 'Awareness Campaign' where students visit nearby areas to educate people about the dangers of stagnant water and vector-borne diseases.

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