1) Which one of the following fatty acids is an omega-3 fatty acid?
A. arachidonic
B. palmitoleic
C. linolenic
D. linoleic

Solution

2) The following table contains the percentage composition by mass of the nutritional value of some common foods.

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Which one of the following servings has the highest energy content?
A. 100 g of fish
B. 80 g of bread
C. 40 g of cheese
D. 258 g (250 mL) of milk

Solution

3) Which one of the following is a dipeptide made from α-amino acids?

Solution

4) Vitamins are required by the human body. Which one of the following statements about vitamins is correct?
A. Vitamin D2 and vitamin D3 are structural isomers.
B. Vitamin D can be stored in the fatty tissues of the body.
C. Vitamin D is water-soluble due to the presence of the hydroxyl group.
D. Vitamin D is essential in the human diet as it cannot be manufactured by the body

Solution