Native to south america which interfer the transport of dopamine neurotransmitter is :-

Answer

**Step-by-Step Solution:**

1. **Identify the Key Components of the Question**: The question asks for a substance that is native to South America and interferes with the transport of the dopamine neurotransmitter.

2. **Understand the Role of Dopamine**: Dopamine is a neurotransmitter that plays a crucial role in the brain's reward system, motor control, and regulation of mood. It is categorized under monoamines, which are organic compounds that contain one amino group.

3. **Research Native Plants of South America**: Consider plants that are known to have psychoactive effects or are known to influence neurotransmitter activity.

4. **Identify Coca Alkaloids**: Among the plants native to South America, the coca plant is significant. The alkaloids derived from coca are known to affect neurotransmitter transport.

5. **Recognize Cocaine's Mechanism of Action**: Cocaine, a well-known alkaloid derived from the coca plant, is known to interfere with the reuptake of dopamine. It inhibits the transport of dopamine back into the presynaptic neuron, leading to increased levels of dopamine in the synaptic cleft.

6. **Conclude the Answer**: Based on the above reasoning, the substance that is native to South America and interferes with the transport of dopamine neurotransmitter is cocaine, which is a coca alkaloid.

**Final Answer**: The answer is coca alkaloid, commonly known as cocaine.

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