Question 1
A potato contains 20 g of carbohydrate. If carbohydrate has a caloric value of 4 kcal/g, how many kcal are obtained from the carbohydrate in the potato?
◦ 40 kcal
◦ 60 kcal
◦ 80 kcal
◦ 5 kcal
◦ 20 kcal
Question 2
One cup of kidney beans contains 15 g of protein, 1 g of fat, and 42 g of carbohydrate. How many kilocalories, to two significant figures, does this sample contain? (The caloric values are: 4 kcal/g for carbohydrate, 9 kcal/g for fat, and 4 kcal/g for protein. Round off the energy value for each food group to the tens place.)
◦ 90 kcal
◦ 520 kcal
◦ 240 kcal
◦ 60. kcal
◦ 230 kcal