Symptoms of diphtheria include

Identify the wrongly matched pair.

Identify the symptoms of pneumonia.

Match the following bacteria with the diseases and choose the correct option.

Column-$I$	Column-$II$
$(A)$ Treponema pallidum	$(1)$ Plague
$(B)$ Yersinia pestis	$(2)$ Anthrax
$(C)$ Bacillus anthracis	$(3)$ Syphilis
$(D)$ Vibrio cholerae	$(4)$ Cholera

In which disease do the liver and spleen become enlarged?

Assertion: $Escherichia$ $coli$,$Shigella$ $sp.$ and $Salmonella$ $sp.$ are all responsible for diarrhoeal diseases.
Reason: Dehydration is common to all types of diarrhoeal diseases and adequate supply of fluids and electrolytes should be ensured.