Kwashiorkor is caused by which of the following?

The deficiency of vitamin $B_{1}$ causes

The gross calorific value of proteins is:

Which one is a rich source of vitamin-$A$?
$I$. Carrot $II$. Lemon
$III$. Beans $IV$. Spinach
Choose the correct option

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

Which of the following is a protein-deficiency disease?