The energy change produced by the combustion of foods is called the 'calorific value'. The highest calorific value is given by:

Which vitamin deficiency causes night blindness?

Which of the following is a protein-deficiency disease?

What are the trace components of our food?

Among the five statements $(a - e)$ given below,identify the three correct statements regarding Beriberi:
$(a)$ This debilitating disease is found in the sub-Saharan population of Africa.
$(b)$ It is a deficiency disease caused by the lack of Thiamine (Vitamin-$B_1$).
$(c)$ It is a nutritional deficiency in older children and infants caused by a chronic lack of dietary protein.
$(d)$ This deficiency is commonly found in countries where polished rice is the staple food.
$(e)$ Symptoms include nerve weakness,pain,paralysis,muscle wasting,loss of appetite,mental confusion,and eventually heart failure.

$A$ patient suffering from $............$ is generally advised to include more meat,lentils,milk,and eggs in their diet.