A metastatic cancerous tumour is termed ’sarcoma ' if the disorder is in

Diphtheria is caused by

Which medicine is not helpful fo patients with mental illness like depression and insomnia ?

Which of the following toxic substance is responsible for the chill and high fever recurring every three to four days in malaria?

Read the following statements
$a.$ Heroin, commonly called smack, is obtained by acetylation of morphine.
$b.$ Cocaine is obtained from the latex of Papaver somniferum.
$c.$ Dopamine is excitatory neurotransmitter.
$d.$ Morphine is an effective sedative and pain killer.
Mark the option which includes both correct statement

Filarial larva can be collected from man's