DP Biology (first assessment 2025)

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Question 20N.1B.SL.TZ0.1e

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Date November 2020 Marks available [Maximum mark: 3] Reference code 20N.1B.SL.TZ0.1e
Level SL Paper 1B Time zone TZ0
Command term Evaluate Question number e Adapted from N/A
e.
[Maximum mark: 3]
20N.1B.SL.TZ0.1e
(e)

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.

[3]

Markscheme

Hypothesis is partially supported
a. Increased saturated fats in study diet resulted in increase in cholesterol levels;

b. cholesterol level is risk for blockage of coronary arteries;

Hypothesis is not supported
c. high insulin levels are sign of (Type II) diabetes;

d. insulin levels were the same in both diets so no increased risk;

e. study only 2 weeks long;

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