Morphine is an opiate narcotic, Bhang is a hallucinogen, Reserpine derived form Rauwolfia, is used as tranquilizer, Cocaine is a stimulant.

Correct Option: A

Morphine is an opiate narcotic, Bhang is a hallucinogen, Reserpine derived form Rauwolfia, is used as tranquilizer, Cocaine is a stimulant.

Opiate Narcotics are opium and its derivatives which suppress brain activity and relieve pain. Also called pain killers. These are extracted from unripe capsules of poppy plant (Papaver somniferum). eg. Morphine, Heroine.

Correct Option: B

Opiate Narcotics are opium and its derivatives which suppress brain activity and relieve pain. Also called pain killers. These are extracted from unripe capsules of poppy plant (Papaver somniferum). eg. Morphine, Heroine.

Rauwolfia serpentina belong to family Apocynaceae, its roots yield a chemical useful for high blood pressure.

Correct Option: B

Rauwolfia serpentina belong to family Apocynaceae, its roots yield a chemical useful for high blood pressure.

Vaccine contains dead, attenuated form or antigen of a pathogen which can be injected to provide immunity towards that pathogen. Monoclonal antibodies are homogenous immunological reagents of defined specificity, so that these can be utilized for diagnosis and screening with certainty.

Correct Option: A

Vaccine contains dead, attenuated form or antigen of a pathogen which can be injected to provide immunity towards that pathogen. Monoclonal antibodies are homogenous immunological reagents of defined specificity, so that these can be utilized for diagnosis and screening with certainty.

The saliva in the mouth and the tears from the eyes belongs to physiological barriers.

Correct Option: C

The saliva in the mouth and the tears from the eyes belongs to physiological barriers.