If there are two pathogenic viruses, one with $DNA$ and other with $RNA$, which would mutate faster ? And Why ?

Entamoeba gingivalis lives in the

‘Black water fever' is a very serious complication of

An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as

Out of the following diseases which are caused due to bacterial infection?

$a.$ Typhoid
$b.$ Elephantiasis
$c.$ Cholera
$d.$ Tuberculosis