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(D) Physiological value is the energy produced by $1 \ gm$ of food upon oxidation in the body.For carbohydrates,it is $4.0 \ Kcal/g$,for proteins it i

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$144$

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(D) Physiological value is the energy produced by $1 \ gm$ of food upon oxidation in the body.For carbohydrates,it is $4.0 \ Kcal/g$,for proteins it is $4.0 \ Kcal/g$,and for fats,it is $9.0 \ Kcal/g$.Lignin is a dietary fibre present in plant cells,but it cannot be digested by humans and thus does not produce energy.Calculation:$5 \ g$ raw sugar (carbohydrate) will yield $5 	imes 4.0 = 20.0 \ Kcal$.$4 \ g$ albumin (protein) will yield $4 	imes 4.0 = 16.0 \ Kcal$.$(10 + 2) \ g$ of fat (ghee) will yield $12 	imes 9.0 = 108.0 \ Kcal$.Total energy yield = $20.0 + 16.0 + 108.0 = 144 \ Kcal$.

$A$ healthy person eats the following diet: $5 \ gm$ raw sugar,$4 \ gm$ albumin,$10 \ gm$ pure buffalo ghee adulterated with $2 \ gm$ vegetable ghee (hydrogenated vegetable oil) and $5 \ gm$ lignin. How many calories is he likely to get?

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