Same chapter3 marksDifficulty: Medium
Distinguish between active and passive drugs of abuse and name two classes with their effects.
Human Health and Disease
3 marksDifficulty: Medium
Name the causative agent, the mode of transmission and one symptom of malaria, typhoid and AIDS.
Original Khojo Papers practice question — not from a past board paper.
Answer
Malaria is caused by Plasmodium, transmitted by the female Anopheles mosquito, and causes recurrent fever with chills. Typhoid is caused by Salmonella typhi, transmitted through contaminated food and water, and causes sustained high fever with weakness. AIDS is caused by HIV, transmitted through infected blood, unprotected sexual contact and from mother to child, and causes progressive loss of immunity.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
HIV attacks the helper T lymphocytes, which is why immunity collapses.
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