| Column-$I$ | Column-$II$ |
| $(A)$ Amoebiasis | $(i)$ Treponema pallidum |
| $(B)$ Diphtheria | $(ii)$ Use only sterilized food and water |
| $(C)$ Cholera | $(iii)$ $DPT$ Vaccine |
| $(D)$ Syphilis | $(iv)$ Use oral rehydration therapy |
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| Column-$I$ | Column-$II$ | Column-$III$ |
|---|---|---|
| $(a)$ Common cold | $(1)$ Streptococcus pneumoniae | $(P)$ Inflammation of hands and legs |
| $(b)$ Pneumonia | $(2)$ Rhinovirus | $(Q)$ Cancer of skin and vessels |
| $(c)$ $AIDS$ | $(3)$ Retrovirus | $(R)$ Disease of nasal congestion |
| $(d)$ Elephantiasis | $(4)$ Filarial worms | $(S)$ Finger nails turn blue to gray in color |
| Column-$I$ | Column-$II$ |
| $1$. Bone marrow | $a$. Large at birth,very small at puberty |
| $2$. Thymus | $b$. Site of production of all blood cells including lymphocytes |
| $3$. Spleen | $c$. Traps microorganisms present in the tissue fluid |
| $4$. Lymph nodes | $d$. Large bean-shaped organ |
| Column-$I$ | Column-$II$ |
|---|---|
| $(1)$ $AIDS$ | $(A)$ Rhino Virus |
| $(2)$ Common Cold | $(B)$ Carcinogen |
| $(3)$ Malaria | $(C)$ Salmonella |
| $(4)$ Cancer | $(D)$ Plasmodium |
| $(E)$ Retrovirus |
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