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Edexcel Certificate

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Biology

Product: KBI0/4BI0

Paper: 2B

Friday 18 May possibly 2012 – Morning

Period: 1 hour

Paper Reference

KBI0/2B

4BI0/2B

You no longer need any other materials.

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Instructions

Make use of black tattoo or ball-point pen.

Fill in the boxes at the top of this site with your name,

centre number and prospect number.

Response all questions.

Solution the inquiries in the spots provided

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The total tag for this daily news is 62.

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Examine each problem carefully before you begin to answer it.

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P40133A

©2012 Pearson Education Limited.

1/1/1/e2

*P40133A0116*

Answer ALL questions.

1 Browse the passage beneath. Use the info in the passing and your own knowledge to reply to the concerns that follow.

Diet in kids

5

Doctors have aware that lifestyles of children happen to be putting these people at an increased risk of rickets. Rickets can be caused by a deficiency of vitamin D. That affects the introduction of leg bone tissues and was common in Britain several years ago. The condition is producing a return because poor diet and a change in play practices have triggered a vitamin D deficiency.

Children are spending more hours indoors using computers in contrast to previous ages who put in time playing outside using their friends. Children who perform outside experience sunlight, which will boosts vitamin D levels.

12

15

20

2

In addition , children are not being given cod liver essential oil – a rich source of the vitamin – inside the same amounts as they were 50 years ago. Various parents utilized to give youngsters a spoonful of cod liver olive oil each day to supplement all their diet. Two doctors possess suggested the fact that vitamin ought to be added to milk and other foods to ensure children are getting the suggested amount. In Birmingham, the health authority continues to be offering women that are pregnant supplements from the vitamin to reduce the number of situations of rickets in the city. Another matter is that people are not consuming together, and so children typically choose their own food and like to snack food on crisps, chocolate and soft drinks rich in sugar. Which means that the diet of countless children is actually high in fat and sugars and contains more calories (energy) than the kids need. Youngsters are less active than in past generations, therefore they don't use as many unhealthy calories. This lack of activity can lead to other health issues.

*P40133A0216*

(a) Suggest how spending time outside the house can decrease the chance of having rickets (lines 7 and 8).

(1)

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