Resistance against pathogens is due to
$Antibodies$
$\mathrm{RBCs}$
$Haemoglobin$
$None of these$
Which of the following insects transmits relapsing fever
Filaria, malaria, dengue fever, sleeping sickness, yellow fever are transmitted by
The best $HLA$(Human Leucocyte Antigen) match for transplants in order of preference is
Oncogenes were discovered by