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O LevelBiologyCambridge (CIE)Exam Questions8. Human Nutrition8.1 Diet

Diet (Cambridge (CIE) O Level Biology): Exam Questions

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8.1 Diet

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Which of the following best describes the function of vitamin D in a human?

  • Vitamin D forms an essential part of collagen protein which is the main component of skin, hair and nails.

  • Vitamin D is needed for strong bones and teeth and a deficiency may lead to osteoporosis later in life.

  • Vitamin D assists with the absorption of calcium and is therefore needed to build strong bones and teeth.

  • Vitamin D is an important component of haemoglobin which is needed for the transport of oxygen to the cells.

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21 mark

Which foods can be eaten to prevent scurvy, anaemia and rickets?

 

prevent scurvy

prevent anaemia

prevent rickets

A

cheese and milk 

oranges and lemons

red meat

B

cheese and milk 

red meat

oranges and lemons

C

oranges and lemons

cheese and milk 

red meat

D

oranges and lemons

red meat

cheese and milk 

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    1
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    Which of the following is a correct cause and effect?

     

    deficiency

    cause

    effect

    A

    iron

    diet deficient in red meat, leafy green vegetables and liver

    brittle bones (rickets)

    B

    iron

    lack of sunlight, fish and eggs

    anaemia - tiredness and weakness due to not enough oxygen being delivered to tissues

    C

    vitamin D

    lack of sunlight

    brittle bones (rickets)

    D

    vitamin D

    diet deficient in red meat, leafy green vegetables and liver

    anaemia - tiredness and weakness due to not enough oxygen being delivered to tissues

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      21 mark

      Which statement about diets is correct? 

      • A diet providing all the needs of an average man aged 70 can lead to malnutrition in an active boy aged 14.

      • Malnutrition can only occur if the body receives less of a nutrient than it requires.

      • Protein requirements in the diet increase throughout a person’s life.

      • Very young children require a greater total energy intake than active adults. 

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