IB MYP Biology : Metabolism – nutrition Practice Question

IB myp 4-5 Biology – Practice Questions- All Topics

Topic :Metabolism-Nutrition

Topic :Metabolism– Weightage : 21 % 

All Questions for Topic : Nutrition,Digestion,Biochemistry and enzymes,Movement and transport,Diffusion,Osmosis,Gas exchange,Circulation,Transpiration and Translocation,Homeostasis

Question

This question is about diet and exercise. Lifestyle choices are important for health.

For each item, select the main nutrient this food contains.

Rice

  • Fats
  • Proteins
  • Carbohydrates

Olive oil

  • Fats
  • Proteins
  • Carbohydrates

Milk

  • Fats
  • Proteins
  • Carbohydrates

Fish

  • Fats
  • Proteins
  • Carbohydrates
▶️Answer/Explanation

Ans:

Rice: carbohydrates
Olive oil: fats
Milk: fat or protein
Fish: protein

Question

State why protein is needed as part of a balanced diet. (1 mark)

▶️Answer/Explanation

Ans:

needed for growth or repair or structure or enzymes

Question

Before going to school, a student eats a cheese sandwich and drinks a glass of orange juice.
The cheese sandwich contained \(10 \mathrm{~g}\) of protein which is equivalent to \(20 \%\) of the recommended daily intake.
Calculate the total mass of protein needed daily. (2 marks)

▶️Answer/Explanation

Ans:

50 (g)

grams / g

Question

The nutritional value of the student’s breakfast is shown below.

Analyse the information in the tables to discuss whether or not the breakfast is part of a balanced diet.

▶️Answer/Explanation

Ans:

(yes) because it contains all of the nutrient groups in the table

all of the daily vitamin C is included

calcium is low so should be supplemented

(so) you would need to know what else was eaten during the day

Question

Obesity is a condition where a person’s body mass is too high. Outline two causes of obesity. (2 marks)

▶️Answer/Explanation

Ans:

Any two points from the list:
• an unbalanced diet can lead to a high energy intake or low energy
usage if activity levels are low
• energy intake is higher than energy used
• genetic factors or low metabolic rate

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