Signs of mental illness are
Abnormal changes in thinking, perception and judgement
Abnormal changes in feeling and memory
Both $(a)$ and $(b)$
Abnormal changes in behaviour to others
Which immunoglobulin is the largest in size
The immunoglobulin abundant in colostrums is
''Maintenance of personal and public hygiene is necessary for prevention and control of many infectious diseases''. Justify the statement giving suitable examples.
Which of the following causes plague?
The letter $T$ in $T-$lymphocyte refers to