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Biology · 2024 · 3 marks
CBSE 2024 · Region 4 · Set 1 · Q25
(a) (i) Name the group of drugs whose skeletal molecule is shown below: (ii) How are such drugs consumed? (iii) Name the human body organ affected by…
(i)
Name the group of drugs whose skeletal molecule is shown below :
(ii)
How are such drugs consumed ?
(iii)
Name the human body organ affected by the consumption of these drugs.
Draw a schematic diagram of an antibody molecule and label any $\displaystyle 4$ parts. Mention their chemical nature. Name the cells which produce them.
Marking-scheme solution
(i)
Cannabinoids
(ii)
Inhalation, Oral ingestion
(iii)
Brain/Heart (cardiovascular system)
•
They are chemically Proteins
•
B- lymphocytes/B- cells
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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.