Eosinophilia is caused by which of the following?

Diseases spread through water medium $- P$
Diseases spread through air medium $- Q$
Diseases spread through insect vectors $- R$
$I -$ Common cold,$II -$ Amoebiasis,$III -$ Typhoid,$IV -$ Filariasis
$V -$ Pneumonia,$VI -$ Malaria,$VII -$ Ascariasis
Select the correct option for $P, Q$ and $R$.
$\quad P \quad\quad Q \quad\quad R$

Match the following columns:

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

Psychosis is characterised by

Which of the following is an autoimmune disease?

Which of the following viruses is not transferred through the semen of an infected male?