Which class of food helps our body to fight against infections?

__________ helps to maintain a constant body temperature in our body.

Rickets is caused by the deficiency (缺乏) of __________.

Night blindness (夜盲) is caused by the deficiency of ___________.

Which statement is correct regarding the importance of fibre?

The diagram shows a food test that was carried out on a food sample.

Brick red precipitate is formed in the test tube.

Which of the following is the food sample tested?

The diagram shows the apparatus used in food test.

A red precipitate is formed when sample X is heated together with a few drops of Millon’s reagent.

What is the nutrient that can probably be found in solution X?

What colour will starch turn brown iodine solution into?

People who live in cold climate (气候) need MORE food to maintain body temperature as compared to people who live in hot climate.

Fat is completely digested (完全被消化) in the ________.

Which statement is NOT true about proteins?

What is the enzyme that break down fats?

Water from the undigested food is absorbed (被吸收) mainly in the __________.

___________ is the end product of fat which used as heat insulator and to protect internal organs.

Food sample X is not digested in the mouth but is digested by the enzyme in the stomach.

What does X contain?

Gary eats 250 g of rice, 200 g of fried egg and 100g of apple. Calculate the calorific value of the boy's breakfast.

Below are the enzymes produced by the pancreas except 除了) ?

Which of the following should be included more in a balanced diet for a pregnant woman?

Which food is unsuitable (不适合) for a person who cannot produce (制造) enough bile?

Here are the list of enzymes in small intestine and their functions (用处), which of these is true?

The structure shown is a villus. How does the structure enables the digested food to be absorbed easily?