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Biology · 2024 · 2 marks
CBSE 2024 · Region 2 · Set 1 · Q19
Identify A, B, C and D in the following table:
Identify A, B, C and D in the following table :
| Scientific name of the plant | Drug | Effect on the human body/human system | |
| (a) | Papaver somniferum | A | Depressant/slows down body function |
| (b) | Cannabis sativa | Cannabinoids | B |
| (c) | Erythroxylum coca | C | D |
Marking-scheme solution
(A)
– Heroin/smack/diacetylmorphine/opiod
(B)
– Cardiovascular system
(C)
– Cocaine/coca alkaloid/coke/crack
(D)
–Stimulates central nervous system /produces a sense of euphoria and
increased energy/hallucination.
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CBSE Class 12 Biology past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.