The vector for causing sleeping sickness in man is
House fly
Mosquito
Tse-tse fly
Butterfly
Internal bleeding, muscular pain, fever, anaemia and blockage of the intestinal passage are the common symptoms of
Which of the following is an opiate narcotic
$VCRC$ stands for
Excessive dosage of cocaine causes
Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness