Question
Assertion : Cocaine has a potent stimulating action on central nervous system, producing a sense of euphoria and increased energy.

Reason : Injecting the microbes intentionally during immunisation or infectious organisms gaining access into body during natural infection induces active immunity.

Answer

c
Cocaine is obtained from the cocaplant, erthyroxylum coca. Cocaine is commonly called as coke or crack which is usually snored. It has a potent stimulating action of euphoria and increased energy. It interferes with the transport of the neurotransmitter dopamine. Its increased dosages cause hallucinations.

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