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Biology · 2023 · 2 marks
CBSE 2023 · Region 1 · Set 3 · Q19
(a) Why should antibiotics not be taken indiscriminately? Give any two reasons. (b) "It is advisable to complete the course of antibiotics as…
(a)
Why should antibiotics not be taken indiscriminately ? Give any two reasons.
(b)
"It is advisable to complete the course of antibiotics as prescribed by the doctor." Justify.
Marking-scheme solution
(a) Bacterial infections are becoming resistant to antibacterial medications/ allow resistant bacteria ( hard to kill-bad bugs) to increase in numbers faster than susceptible bacteria (easy to kill bugs) and can transfer through food chains to humans
(b) Antibiotic may wipe out some but not all of the bacteria the surviving bacteria shall multiply / become more resistant to first-line of treatment / increasing risk of complications/increased cost associated with prolonged illness
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CBSE Class 12 Biology past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.