$AIDS$ is caused by
$Blood cancer$
$HTLV-III$
$Bacterium$
$TMV$
‘Glossina palpalis' is a vector for
The accumulation of excess fluid in tissue space is called
What is the main lymphoid organ where all blood cells including lymphocytes are produced?
Which of the following cells are involved in defence mechanism of the body?
Lymph $(nodes)$ glands form