Human Health and Diseases

Antibodies are produced in
Trichuris is also known as __________.
Immunological destruction of body tissue or product due to antibodies reacting with the same as antigen is called 
Read the following statements.
(A) The lips and fingernails may turn gay to bluish in colour in severe cases of typhoid.
(B) Rhinoviruses infect the nose and respiratory passage but not the lungs.
(C) Intestinal perforation and death may occur in severe cases of typhoid.
(D) Streptococcus pneumoniae infects the alveoli of the lungs.
How many of the above statements are right?
Define metagenesis. Give a suitable example