……….. is extracted from Hevea braziliensis

Which of the following is a sedative drug?

The pollen grains of the following plant causes asthma in man:

Excretory structures appeared for the first time in flatworms belong to the phylum:

The deep brown coloured carbon compounds used in tanning of leather are:

The alkaloid which is used for malaria treatment.

Alkaloid used in snake bite.

Alkaloid used in the treatment of malaria is the product of this plant.

The resin obtained from Pinus is used in

The alkaloid which have Ayurvedic values is ……………