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Biology · 2025 · 4 marks
CBSE 2025 · Region 6 · Set 1 · Q30
Read the following passage and answer the questions that follow. Prevention is the frontline response to drug use. Effective interventions address…
Read the following passage and answer the questions that follow. Prevention is the frontline response to drug use. Effective interventions address the underlying conditions contributing to drug use, such as a lack of connection to family or community, instability, insecurity, trauma, mental health issues, etc. When addressed, these factors can effectively prevent the initiation of drug use and the progression to drug use disorders. Study the few key figures of drug use given below and answer the questions that follow.
(a)
What do you infer from the figures in Table No. $\displaystyle 1$ about the people with drug use disorders, $\displaystyle 2022$ (in million) ? State any two of your observations.
(b)
How are Hepatitis C and HIV related to drug use disorders by people, as shown in Table No. $\displaystyle 2$ ? State the correlation between the two.
(c)(i)
Give the scientific name of (p) shown in Table No. 1.
OR
(c)
(ii)
Give the scientific name of (q) shown in Table No. 1.
Marking-scheme solution
(a)
Number of men taking treatment was higher than women/$\displaystyle 1$ woman out of $\displaystyle 18$ was
treated/$\displaystyle 1$ man out of $\displaystyle 7$ was treated/ $\displaystyle 1$ in $\displaystyle 11$ persons was addicted to Cannabis sativa or Papaver somniferum / drug user have increased by $\displaystyle 20$%/ $\displaystyle 292$ million people were consuming drugs in $\displaystyle 2022$
(b)
Contaminated needles sharing between drug addicts transmits diseases like
Hepatitis B and HIV. Both diseases are primarily caused by viruses.
(c)(i)
Cannabis sativa
OR
(c)
(ii)
Papaver somniferum
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CBSE Class 12 Biology past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.