‘Bacillary dysentery' is caused by
Salmonella
Shigella
Proteus
Entamoeba
Smoking increases ______ content in blood and reduces the concentration of haembound oxygen. Fill the blank suitably
Which test confirms the scarlet fever
The function of $IgE$ is
Main barrier which prevents the entry of disease's causing organism in our body is
The use of anti-histamine, adrenaline and steroids quickly reduces the symptoms of