The maintenance ratio of calorie to nitrogen (specifically, non-protein calories to nitrogen) for an infant is approximately 50:01 (or 25:1 if referring to a different unit, as variations exist in literature, but 50:1 is a recognized value within the context of the options). The non-protein calorie to nitrogen (NPC:N) ratio is used to ensure adequate energy supply to prevent the breakdown (oxidation) of amino acids for energy, thus allowing the nitrogen to be used for building new tissues (growth).
The maintenance ratio of calorie nitrogen for an infant is:
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This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the ETEA Educational Testing and Evaluation Agency preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.