The most common cancer in men in India is
Lung cancer
Throat cancer
Mouth-throat cancer
None of these
A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when
Trophozoites of Plasmodium occur in
Plasmodium life cycle is
Secondary metabolite is
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.