G7_Bio_7.6_Review

Which food is mainly carbohydrate?

• rice

• chicken eg

• corn oil

Which contains most protein?

• Rice

• Chicken leg

• Corn oil

Which provides most energy per gram?

• Rice

• Chicken leg

• Corn oil

A food scientist compared the fat content of three different protein sources.

a How many grams of fat does 100 g of cheese contain?

• 10 g

• 25 g

• 50 g

In the USA, many people want to cut their body mass.

Suggest why they are advised to avoid cheese.

• Cheese contains a higher percentage of carbohydrate

• Cheese contains a higher percentage of fat

• Cheese contains a higher percentage of vitamin

• Cheese contains a higher percentage of mineral

A typical meal contains 100 g of fish or meat.

How much more fat does the meat contain?

• 10 g

• 15 g

• 20 g

• 25 g

The table below shows three people's muscle mass as a percentage of their body mass.

A has an above-average amount of muscle.

Name the main nutrient needed to build muscle.

• vitamin

• fat

• protein

• fiber

Arjun is an athlete. He needs more energy than most people, and is advised to take in 12 000 kJ per day.

At least 10% of your daily energy intake should come from protein.

Protein releases 16 kJ per gram.

How much protein should Arjun take in each day?

• 70 g

• 75 g

• 80 g

• 85 g

Abena made a table to compare the vitamins in some of the fruit and vegetables she eats.

a Scientists estimate that we need 75 mg of vitamin C a day.

How many grams of spinach would Abena need to eat to get this much vitamin C?

• 100 g

• 200 g

• 300 g

• 400 g

State which nutrient the patient needs more.

Patient A finds it difficult to see objects in dim light but her vision is fine in well-lit rooms.

• Vitamin A

• Iron

• Protein

• Vitamin C