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know the disease and causative agent( for class 9 to 12)



KNOW THE DISEASES AND CAUSATIVE AGENT :
1.W  was the second person to get the Nobel Prize for Physiology and medicine for discovering the transmission pattern of the disease X. the most effective cure for this disease is obtained from the bark of the tree Y which grows in the Peruvian Andes. An Alkaloid Z is obtained from the tree Y. Identify W , X ,Y and Z.

2.A found that the milkmaids who got the disease B did not get the more serious disease C. Identify A , B and C. In fact if someone gets the disease B he or she would be vaccinated against disease C .

3. P was an Indian Physician who made significant contribution in the understanding of gastrointestinal diseases. The bacterial Q was discovered by Robert Koch in 1887, But P was the first person to discover that bacterial Q secretes an exotoxin which affects the intestine( enterotoxin) by changing the permeability of intestinal walls resulting in explosive secretion of fluids resulting in severe dehydration. He suggested  R a very simple way of dealing with dehydration which can be prepared at home. Identify P, Q and R.

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