Detailed Solution:
The correct answer is “5 4 2 1”.
Matching the options:
A - Malaria: 5. Blood cells
B - Filaria: 4. Lymph node
C - Encephalitis: 2. Brain
D - Leukemia: 1. Bone marrow
1) Malaria parasites can affect multiple parts of the body, including the liver, kidneys, spleen, and red blood cells.
2) Filariasis, also known as lymphatic filariasis or elephantiasis, is a rare disease caused by a chronic mosquito-borne parasitic infection. It can affect many parts of the body, including Lymph nodes, Genitalia and Breasts.
3) Encephalitis is an inflammation of the brain's active tissues caused by an infection or autoimmune response.
4) Leukemia is a type of cancer that affects the body's blood-forming tissues, including the bone marrow and lymphatic system.