Food

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What do you need in a balanced diet?
Vitamins, Mineral salts, Proteins, Carbohydrates, Fats/Lipids, Fibre and Water.
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What can happen if you have too many/too little of these nutrients?
Malnutrition.
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How do fertilizers increase food production?
Fertilizers contain minerals that replace the used by plants so crop yield in increased.
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How do pesticides increase food production?
They contain chemicals that kill pests that feed on the crops and kill or damage the plants.
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Why are animals given antibiotics to increase food production?
Animals use energy fighting diseases so antibiotics kill/inhibit the growth of bacteria so more energy can be used for growth. Antibiotics can also be used to help digestion.
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What is selective breeding?
Selective breeding involves selecting desired characteristics from plants/animals and producing generations of offspring that increase productivity.
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What happens if you have too much in your diet?
Obesity (with lack of exercise), underactive thyroid, diabetes, arthritis, hypertension, CHD.
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What happens if you have too little in your diet?
Deficiency illnesses (anemia), not enough energy, unbalanced diet.
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What are the different parts of the diet for?
Proteins - needed for growth/repairing/production of enzymes, Lipids - Energy store/provide insulation/used by cells/protect organs, Carbs - Provide energy, Vitamins+Mineral salts - Needed for different functions, Fibre - Aids movement through gut
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Other cards in this set

Card 2

Front

What can happen if you have too many/too little of these nutrients?

Back

Malnutrition.

Card 3

Front

How do fertilizers increase food production?

Back

Preview of the front of card 3

Card 4

Front

How do pesticides increase food production?

Back

Preview of the front of card 4

Card 5

Front

Why are animals given antibiotics to increase food production?

Back

Preview of the front of card 5
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