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Assertion (A): Excess dose of coke or crack produces a sense of euphoria, increased energy and causes hallucinations. Reason (R): It interferes with the transport of dopamine. - Biology

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Question

Assertion (A): Excess dose of coke or crack produces a sense of euphoria, increased energy and causes hallucinations.

Reason (R): It interferes with the transport of dopamine.

Options

  • Both A and R are true and R is the correct explanation of A.

  • Both A and R are true and R is not the correct explanation of A.

  • A is true but R is false.

  • A is false but R is true.

MCQ
Assertion and Reasoning
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Solution

Both A and R are true and R is the correct explanation of A.

Explanation:

Cocaine causes euphoria and increased energy because it blocks the reuptake of the neurotransmitter dopamine. This results in excessive dopamine accumulation in the brain’s reward pathways, directly producing the stimulant effects described in the assertion.

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