The technology of biogas production was developed in India mainly due to the efforts of
$IPM$
$IARI\; and \;KVIC$
$IRRI$
$ICAR$
Leaves of which plant can sharpen the memory?
The pesticide used in foundations of buildings for preventing termite attack is
The nutritive medium for growing bacteria and many fungi in the laboratory is called
They are proteinous infectious agents.
First commercial pesticide was