Vermiform appendix is made up of
Digestive tissue
Respiratory tissue
Excretory tissue
Lymphatic tissue
Which medicine is not helpful fo patients with mental illness like depression and insomnia ?
$B.C.G.$ vaccine is used against
Which group of three of the following five statements $(I-V)$ contains is correct regarding beriberi?
$I.$ A crippling disease prevalent among the native population of sub-Sahara Africa.
$II.$ A deficiency disease caused by lack of thiamine (vitamin- $B_{1}$ ).
$III.$ A nutritional disorder in infants and young children when the diet is persistantly deficient in essential protein.
$IV.$ Occurs in those countries where the staple diet is polished rice.
$V.$ The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure.
Filarial larva can be collected from man's
Main barrier which prevents the entry of disease's causing organism in our body is