Refer to the given Venn diagram and select the incorrect
statement regarding X, Y and Z.
A X could be an incurable disease that damages
immune system of the infected person.
B Disease Y could be effectively treated by
antibiotics.
C Z could be a disease in which blood platelet
count of a person goes down significantly.
D Both X and Y could be communicable diseases,
of which Y could get cured on its own.
the answer will be 'B' because virus can't be treated by antibiotics.