Which of the following is \are incorrect about diseases?
a)Most diseases are caused by bacteria, viruses and fungi.
b)Germs are spread by Food to hands, and Animals to people.
c)HIV is transmitted by blood transfusion.
d)Ringworm is caused by a virus.
1
(a) only
2
(a) and (c) only
3
(a),(b),and (c) only
4
(d) only