DP Biology Questionbank
2.3 Carbohydrates and lipids
Description
| Nature of science: Evaluating claims—health claims made about lipids in diets need to be assessed. (5.2) |
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Understandings:
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International-mindedness:
Biology Option B: Biotechnology and bioinformatics Aims:
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Directly related questions
- 17M.2.SL.TZ2.6a: Describe the structure and function of starch in plants.
- 17M.2.SL.TZ1.6b: Distinguish between the structures of the different types of fatty acids in food.
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17N.1.SL.TZ0.08:
The Framingham heart study was an observational study that went on for 20 years. The following data were produced.
[Source: adapted from Gillman et al., Margarine intake and subsequent coronary heart disease in men.
Epidemiology, 1997 Mar; 8(2): 144–9]Which conclusion can be drawn, based on these data?
A. It is better to eat margarine than to eat butter.
B. The more margarine consumed, the greater the incidence of coronary heart disease.
C. Butter is a natural product whereas margarine is hydrogenated vegetable oil that leads to coronary heart disease.
D. Margarine causes more heart related deaths than butter.
- 19M.2.HL.TZ1.4c: Outline how the structure of cellulose makes it suitable as a component of cell walls.
- 17N.2.SL.TZ0.05c: Compare and contrast cis-fatty acids and trans-fatty acids.
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21M.1.SL.TZ1.13:
The table shows the range and classification of body mass index (BMI) values, as shown in the nomogram.
[Source: © All rights reserved. Canadian Guidelines for Body Weight Classification in Adults. Health Canada, 2003. Adapted and reproduced with permission from the Minister of Health, 2021.]
What is the approximate reduction in body mass that a person of height 155cm and mass 95kg would have to lose to reach normal body mass?
A. 10kg
B. 22kg
C. 36kg
D. 54kg
- 21M.1.SL.TZ1.10: Which molecule is depicted in the diagram? A. A saturated fatty acid B. An unsaturated fatty...
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19M.1.SL.TZ2.7:
The diagram shows two polysaccharides, formed from condensation of many glucose molecules.
[Source: © International Baccalaureate Organization 2019]
What are the names of X and Y?
- 16N.1.SL.TZ0.6: Which type of reaction is the breakdown of starch into sugars? A. DenaturationB. ReductionC....
- 16N.1.SL.TZ0.7: The diagram shows a molecular structure. Which type of molecule is shown? A. Amino acidB....
- 17M.1.SL.TZ1.6: A polymer of alpha-D-glucose found in plants has mostly 1,4 linkages and some 1,6 linkages. Which...
- 17M.1.SL.TZ1.21: Cladograms can be created by comparing DNA or protein sequences. The cladogram on the left is...
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20N.3.SL.TZ0.1b:
Explain how measurement of BMI could help to assess whether a person has an increased risk of type II diabetes.
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20N.1.SL.TZ0.7:
The chart shows ranges of body mass index (BMI) for children and teenagers.
[Source: Centers for Disease Control and Prevention, About Child & Teen BMI. Available at:
https://www.cdc.gov/healthyweight/assessing/bmi/childrens_bmi/about_childrens_bmi.html.]A 9-year-old boy has a height of 120 cm and weighs 28.8 kg. What weight category is he in according to his BMI?
A. Underweight
B. Healthy
C. Overweight
D. Obese
- 21M.1.HL.TZ2.6: The diagram shows part of a molecule. What is the molecule? A. Amylose B. Cellulose C....
- 17M.1.SL.TZ2.27: The bacterium Neisseria gonorrhoeae causes infections related to the human reproductive system....
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20N.2.SL.TZ0.1b:
Distinguish between the two diets.
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20N.2.SL.TZ0.1a:
Comment on the total energy content of the two diets.
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20N.2.SL.TZ0.5a:
Draw a molecular diagram of alpha-D-glucose.
- 18N.2.SL.TZ0.2b: Outline one reason for humans being unable to digest cellulose.
- 18M.2.SL.TZ1.2a.i: Distinguish between the structure of amylose and the structure of amylopectin.
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18M.1.HL.TZ1.7:
Which fatty acid would occur in a trans fat?
[Source: © International Baccalaureate Organization 2018]
- 18M.2.SL.TZ1.2a.ii: Suggest the reason for cellulose passing undigested through the human gut.
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19N.1.SL.TZ0.9:
Using the nomogram, what is the minimum mass at which a woman of height 165 cm would be considered overweight?
[Source: Copyright 1978, George A. Bray. Used by permission]
A. 72
B. 67
C. 64
D. 61
- 17M.1.HL.TZ1.8: What type of molecule is shown in this diagram? A. Trans saturated fatty acid B. Cis...
- 20N.3.SL.TZ0.1a: State the BMI of a person of mass 80 kg and 1.80 m in height.
- 21M.1.HL.TZ2.7: Which organic molecules may contain the element sulphur? A. Proteins B. Carbohydrates C....
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21M.2.SL.TZ2.5a:
Describe the structure of starch.
- 21M.2.HL.TZ2.3e: Once the germinated bean grows above the ground, state the process used by the bean in the...
- 19N.1.SL.TZ0.7: Which of the molecules shown would be most suitable for long-term energy storage in humans?
- 20N.1.HL.TZ0.8: The table shows the mass of different types of fat in some foods. Which oil would be least...
- 18N.2.SL.TZ0.2a.ii: Cellulose is the most abundant organic polymer on Earth. Describe the structure of cellulose.
- 17M.2.SL.TZ1.1c: Estimate how much smaller drilled oysters raised in seawater at a high CO2 concentration were...
- 17M.2.HL.TZ1.1f.ii: Suggest a reason for the greater expression of the gene for the urea transporter after an...
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20N.2.SL.TZ0.1c:
Calculate, showing your working, the percentage change in mean cholesterol level after one week on the study diet.
. . . . . . . . . . . . . . . . . . . .%
- 17N.1.HL.TZ0.05: Which of the molecules contain peptide bonds or are sugar molecules?
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21N.1.HL.TZ1.9:
The diagrams show how monosaccharide molecules are joined to form chains in two polysaccharides.
[Source: Amelse, J. Achieving Net Zero Carbon Dioxide by Sequestering Biomass Carbon. Preprints 2020, 2020070576
(doi: 10.20944/preprints202007.0576.v1). Fig SI9. Distributed under a Creative Commons CC BY license Attribution
4.0 International (CC BY 4.0), https://creativecommons.org/licenses/by/4.0/.]Using the diagram and the table, which diagram and monosaccharide represent glycogen?
- 18N.2.SL.TZ0.2c: Explain the advantages of having both lipid and carbohydrate as energy stores in the human body.
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18M.1.SL.TZ2.7:
Which molecule represents a lipid?
[Source: © International Baccalaureate Organization 2018]
- 19M.1.SL.TZ1.6: What type of molecule is formed by the chemical reaction shown in the diagram? A....
- 19N.2.HL.TZ0.4a.ii: State the reason cis and trans fatty acids are said to be unsaturated.
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16N.1.HL.TZ0.7:
Olive oil may reduce the risk of coronary heart disease. What is/are the compound(s) responsible for the health benefits of olive oil?
I. Cis unsaturated fatty acids
II. Trans unsaturated fatty acids
III. Saturated fatty acidsA. I only
B. I and II only
C. II and III only
D. I, II and III -
20N.2.SL.TZ0.1e:
The hypothesis made before the study was that saturated fats in the diet affected the risk of coronary artery blockage and diabetes. Using all the data in question 1, evaluate whether this hypothesis is supported by the study.
- 21M.1.SL.TZ1.8: What distinguishes cellulose from glycogen and starch? A. Only cellulose is found in plants. B....
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21M.1.SL.TZ2.8:
The chart classifies individuals according to their height and mass.
[Source: InvictaHOG, 2006. Body mass index chart. [chart online] Available at: <https://commons.wikimedia.org/w/index.php?curid=1208092> [Accessed: 4 April 2019].]
Based on the information provided, which individual is most at risk of diseases associated with the accumulation of excessive body fat?
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21M.2.HL.TZ2.3d:
Broad beans are rich in starch and cellulose. Compare and contrast the structure of starch and cellulose.
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18M.1.SL.TZ1.8:
Which type(s) of fatty acid in the diet is/are positively correlated with an increased risk of coronary heart disease?
I. Saturated
II. Trans unsaturated
III. Cis unsaturated
A. I only
B. I and II only
C. II only
D. II and III only
- 19M.1.SL.TZ2.12: The diagram shows a type of fatty acid. What type of fatty acid is shown? A. Trans...
