中三 生物試卷 (F3 Biology Past Paper)

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內容節錄：
1. In order to lose weight, an 18-year-old girl, Jane, had a diet as shown in the table below:
Total intake per day
Average daily requirement
Energy Protein Fat
Amount variable
(1) State the mineral that is deficient in Jane's dict.
Calcium Iron
Vitamin Vitamin
(2) If Jane continues this diet for several months, what disease will she probably develop as a result
of mineral deficiency?
If the average daily energy requirement for Jane is about 9200kJ, explain why this dict will be
effective in helping her to lose weight. [hint: energy intake vs energy need]
2. The bar chart below shows the composition of food eaten by an overweight child for lunch :
Percentage of food substance by weight
(i) What is food substance Q?
carrot milk
food substance Q
water, mineral salts
and vitamins
carbohydrate
(ii) Explain why food from animals, such as pork and fish, is an important part of a child's diet.
(ii) Which of the above food should be consumed less? Explain your choice.