Select the correct statement from the ones given below.
Barbiturates, when given to criminals, make them tell the truth.
Morphine is often given to persons, who have undergone surgery, as a pain killer.
Chewing tobacco lowers blood pressure and heart rate.
Cocaine is given to patients after surgery as it stimulates recovery.
On which day, we celebrate ’Malaria Day'
$ECT$ is
The inability to distinguish between self cells and non-self cells may lead to
Interferon is inhibitory to
‘Glossina palpalis' is a vector for