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Biology · 2026 · 2 marks
CBSE 2026 · Region 2 · Set 2 · Q19
Differentiate between opioids and cannabinoids on the basis of their (a) Receptor site in human body. (b) Mode of action in human body.
Differentiate between opioids and cannabinoids on the basis of their
(a)
Receptor site in human body.
(b)
Mode of action in human body.
Marking-scheme solution
| Opioids | Cannabinoids | |
| Receptor site in human body | Central Nervous System and Gastrointestinal Tract | Brain |
| Mode of action in human body | Depressant / Slows down body function | Effect Cardiovascular system |
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CBSE Class 12 Biology past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.