Which of the following drug interferes with dopamine & produce euphoria :- A Benzodiazapine  B Hashish  C LSD       D Coca alkaloid

To determine which drug interferes with dopamine and produces euphoria, we need to analyze each option:

A) Benzodiazepine: Benzodiazepines primarily work on the GABA receptors in the brain and do not directly interfere with dopamine. Therefore, it is unlikely to produce euphoria through dopamine manipulation.

B) Hashish: Hashish, derived from cannabis, primarily affects the endocannabinoid system and does not directly interfere with dopamine. While it may induce feelings of relaxation and euphoria, it does not do so through dopamine manipulation.

C) LSD: LSD, also known as acid, primarily affects serotonin receptors and does not directly interfere with dopamine. It can induce hallucinations and altered perceptions, but its mechanism of action does not involve dopamine manipulation.

D) Coca alkaloid: Coca alkaloids, such as cocaine, directly interfere with dopamine by blocking its reuptake, leading to increased dopamine levels in the brain. This can result in euphoria and heightened pleasure.

Based on the options provided, the drug that interferes with dopamine and produces euphoria is D) Coca alkaloid.