Which of the following structures contains a mucosal lining?

Match the following columns:

Column-$I$	Column-$II$
$(1)$ Typhoid	$(x)$ Plasmodium
$(2)$ Malaria	$(y)$ Rhino virus
$(3)$ Pneumonia	$(z)$ Haemophilus influenzae
$(4)$ Common cold	$(v)$ Streptococcus pneumoniae
	$(w)$ Salmonella typhi

Which diseases are spread by the $Aedes$ mosquito?

$DPT$ vaccine doses are administered at specific intervals after birth. Identify the correct sequence for the $1^{st}$, $2^{nd}$, and $3^{rd}$ doses of $DPT$ from the following list:
$I$. $6 \; \text{weeks}$ after birth
$II$. $10 \; \text{weeks}$ after birth
$III$. $14 \; \text{weeks}$ after birth
$IV$. $24 \; \text{weeks}$ after birth
$V$. $29 \; \text{weeks}$ after birth

Define: Health.

In which of the following disorders,does a person become hypersensitive about their appearance?