Humoral immunity is due to
$B-$ lymphocytes
$T- $lymphocytes
$L- $Lymphocytes
$P-$ Lymphocytes
Which one of the following is a common disease caused by virus
Smoking addiction is harmful because it produces polycyclic aromatic hydrocarbons, which cause
The pathogen of bubonic plague is transmitted through the bite of
Excessive dosage of cocaine causes
A disease caused by eating fish contaminated by industrial waste containing mercury compounds is known as