Continuous bleeding from an injured part of the body is due to the deficiency of which vitamin?

Obesity can be reduced by reducing the calories intake from

The deficiency of vitamin $B_{1}$ causes

Which one of the following is the best source for vitamin $A$ (Antixerophthalmic)?

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

If breast feeding is replaced by less nutritive food,low in proteins and calories,then the infants below the age of one year are likely to suffer from . . . . . . .