Assertion : Pneumonia and common cold are air -borne diseases.
Reason : Dengue malaria filaria and chikungunya are vector borne diseases
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.