Match the following columns and choose the correct option.
Column-I | Column-II | ||
a. | Bacterial pathogen | (i) | Malaria |
b. | Protozoan pathogen | (ii) | Elephantiasis |
c. | Helminthic pathogen | (iii) | Pneumonia |
d. | Streptococcus sp. | (iv) | Enteric fever |