DP Biology (first assessment 2025)

Test builder »

Question 19M.1A.HL.TZ2.35

Select a Test
Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1A.HL.TZ2.35
Level HL Paper 1A Time zone TZ2
Command term Compare Question number 35 Adapted from N/A
35.
[Maximum mark: 1]
19M.1A.HL.TZ2.35

What are features of both endoskeletons of mammals and exoskeletons of insects?

A. They are both made of bone.

B. They both have cartilage.

C. They are both moved by antagonistic sets of muscles.

D. Both consist of dead tissue.

[1]

Markscheme

C

Examiners report

This was an easy question. One comment mentions that not all bones or parts of the insect exoskeleton are moved. The question focuses on common features; the fact that they are moved by muscles does not imply that they are all moved.

Syllabus sections