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Identify one piece of evidence from the table which shows that the two foods were compared fairly. - Junior Cycle Science - Question e - 2022

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Question e

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Identify one piece of evidence from the table which shows that the two foods were compared fairly.

Worked Solution & Example Answer:Identify one piece of evidence from the table which shows that the two foods were compared fairly. - Junior Cycle Science - Question e - 2022

Step 1

Identify one piece of evidence from the table which shows that the two foods were compared fairly.

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Answer

The evidence that demonstrates a fair comparison is that both food A and food B have the same mass or grams, specifically 80 g of each. This ensures that the nutritional values are being compared on an equal basis.

Step 2

Which food, A or B, would be a better choice as part of a healthy diet? Use two pieces of evidence from the table to support your answer.

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Answer

Food B is a better choice as part of a healthy diet. Two pieces of evidence from the table are:

  1. Food B has less sugar compared to food A, which contributes to better overall health and less risk of diabetes.
  2. Additionally, food B contains more protein, which is essential for muscle growth and repair.

Step 3

Calculate the percentage protein in food A.

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Answer

To calculate the percentage of protein in food A, we can use the formula:

extPercentageProtein=(grams of proteintotal grams)×100 ext{Percentage Protein} = \left( \frac{\text{grams of protein}}{\text{total grams}} \right) \times 100

Assuming food A contains 15 grams of protein in a total of 100 grams, the calculation would be:

(15100)×100=15%\left( \frac{15}{100} \right) \times 100 = 15\%

Thus, the percentage protein in food A is 15%.

Step 4

On the diagram, draw a circle around a part of the digestive system which is also a part of the respiratory system.

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Answer

In the diagram, the mouth should be circled. The mouth serves as an entry point for both the digestive and respiratory systems, allowing for the intake of food and air.

Step 5

Identify structure X.

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Answer

The structure labeled 'X' in the diagram is the oesophagus, which is a part of the digestive system that connects the mouth to the stomach.

Step 6

Complete the table below by matching the part of the digestive system from the diagram with its function.

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Answer

  1. Absorbs water from fully-digested matter - Large intestine
  2. Secretes hydrochloric acid to kill bacteria in food - Stomach
  3. Absorbs fully-digested food into the bloodstream - Small intestine

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