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How much energy is obtained per gram of carbohydrates?
A2 Kcal
B7 Kcal
C4 Kcal
D9 Kcal
Answer & Solution
Correct answer: C. 4 Kcal
1. Different food components yield different amounts of energy.
2. Carbohydrates give 4 Kcal of energy per gram.
3. 9 Kcal is the value for lipids, so that option is ruled out.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 2 "Life Processes in Living Organisms Part 1", p.21_
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