One gram of fat produces

Which of the following is an excellent source of $Vitamin-A$?

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.

$A$ doctor advises a person to have more meat,butter,milk,and eggs in his diet. The person is:

Which of the following is mismatched?

Analogy type questions:
$(1)$ Calorific value of carbohydrates: $4.1 \ kcal/g$ :: Calorific value of proteins: .........
$(2)$ Marasmus: Protein deficiency :: Kwashiorkor: ......