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Biology · 2025 · 3 marks
CBSE 2025 · Region 7 · Set 1 · Q25
A person is suffering from high grade fever. Which symptoms will help to identify if he/she is suffering from Typhoid, Pneumonia or Malaria?
A person is suffering from high grade fever. Which symptoms will help to identify if he/she is suffering from Typhoid, Pneumonia or Malaria ?
Marking-scheme solution
Typhoid – Sustained high fever $\displaystyle 39$-$\displaystyle 40$°C/ stomach-pain/ constipation.
Pneumonia- severe problems in respiration/in severe cases the lips and fingernails may turn grey to bluish in colour/ chills /cough
Malaria- If chills and high fever occurs in every $\displaystyle 3$ – $\displaystyle 4$ days.
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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.