Gujarati
Hindi
7.Human Health and Disease
medium

Identify the molecules $(A)$ and $(B)$ shown below and select the right option giving their source and use.

A

$(A)$ Cocaine $→$ Erythroxylum coca $→$ Accelerates the transport of dopamine

B

$(B)$ Heroin $→$ Cannabis sativa $→$ Depressant sativa and slows down body functions

C

$(B)$ Cannabinoid $→$  Atropa belladonna $  →$ Produces hallucinations

D

$(A)$ Morphine $→$ Papaver somniferum $→$ Sedative and pain killer

(AIPMT-2012)

Solution

(d) : The given chemical structures $(A)$ and $(B)$ are of morphine and cannabinoid respectively. Morphine is the principal opium alkaloid. It is a strong analgesic. It also has sedative and calming effect. Morphine depresses respiratory centre, it contributes to the fall in blood pressure. Morphine is a very effective sedative and painkiller. It is very useful in patients who have undergone surgery. Natural cannabinoids are obtained from the inflorescence of hemp plant Cannabis sativa, family Cannabinaceae. They affect the cardiovascular system of the body.

Standard 12
Biology

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