DP Biology (last assessment 2024)

Test builder »

Question 18M.3.HL.TZ1.21b.i

Select a Test
Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.3.HL.TZ1.21b.i
Level HL Paper 3 Time zone TZ1
Command term Comment Question number b.i Adapted from N/A
b.i.
[Maximum mark: 1]
18M.3.HL.TZ1.21b.i
(b.i)

The graph shows the results of a study of the incidence of coronary heart disease (CHD) in different age groups of men participating in a study carried out by the National Heart, Blood and Lung Institute.

Comment on the claim that the bar chart proves that old age causes CHD.

[1]

Markscheme

a. data show correlation (increased chance of CHD with age) not causation

OWTTE.

Syllabus sections