IGCSE BIOLOGY Animal Nutrition/Digestion/DIET

What is a Balanced diet?

(a)  

Explain why some people die due to extreme lack of water [2 marks]

Which of the following are functions of water?

• solvent for chemical reactions

• make up the digestive juices and blood

• as a transport medium

• keep our body warm

Minerals are an important element of your diet. Calcium for example is good for your..?

• Bones

• Skin

• Eyesight

• Digestion

Which of these is NOT a type of carbohydrate?

• Cellulose

• Starch

• Glycerol

• Sugar

Eating too much sugary food causes,

• Tooth decay

• High on energy

• Health probems like diabetes, heart problems and cancer.

• All of the above

Stephanie is said to be malnourished. She often eats whole grain bread, potatoes, candies, butter and corn. Which macronutrient is missing in her diet?

• vitamins

• minerals

• carbohydrates

• proteins

• fats

To keep the body healthy every human at any age must have a _________.

• Junk food

• Fish

• Vegetables

• Balanced diet

• A

• B

• C

• D

What is caused by the deficiency of iron in the diet?

• anaemia

• goitre

• ricketts

• tooth decay