$A$ person suffering from bleeding of gums needs which of the following in their food?

Which of the following pairs shows symptoms like swollen lips,thick pigmented skin on the hands,and irritability?

Which are not the essential constituents of a balanced diet?

Which of the following is not a source of vitamin $A$?

$A$ person suffering from bleeding gums should consume which of the following?

Which group of three of the following five statements $(1-5)$ contains all three correct statements regarding beri-beri?
$1.$ $A$ crippling disease prevalent among the native population of sub-Saharan Africa.
$2.$ $A$ deficiency disease caused by lack of thiamine (vitamin $B_1$).
$3.$ $A$ nutritional disorder in infants and young children when the diet is persistently deficient in essential protein.
$4.$ Occurs in those countries where the staple diet is polished rice.
$5.$ The symptoms are pain from neuritis,paralysis,muscle wasting,progressive oedema,mental deterioration,and finally heart failure.