After prolonged fasting,the body obtains nutrition from the storage of ......

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.

Gross calorific value and physiological value of proteins are $X$ and $Y$ $kcal/g$ respectively.

Which of the following is characterized by swollen lips,pigmented skin on the hands and feet,and inflammation?

Which of the following is not a mode of nutrition?

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