In an adult, the components of total daily energy expenditure are –

Correct option is D

Total daily energy expenditure (TDEE) comprises Basal Metabolic Rate (BMR), thermogenesis, and physical activity. Each component contributes to the body's energy needs.
Information Booster:
· BMR: Energy needed for basic life functions (60-70% of TDEE).
· Thermogenesis: Energy spent on food digestion and absorption (~10%).
· Physical Activity: Energy expended in voluntary activities (~20-30%).
· Factors Influencing TDEE: Age, sex, body composition, and physical activity level.