DP Biology (first assessment 2025)

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Question 23M.1A.HL.TZ1.22

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.HL.TZ1.22
Level HL Paper 1A Time zone TZ1
Command term Question number 22 Adapted from N/A
22.
[Maximum mark: 1]
23M.1A.HL.TZ1.22

The photograph shows a scorpion (Pandinus imperator).

[Source: Baird, M. L. Pandinus imperator. Available at: https://commons.wikimedia.org/wiki/File:Emperor_scorpion_or_Imperial_scorpion_(Pandinus_imperator).jpg. Public domain.]


What recognition features indicate that it is an arthropod?


A.  Exoskeleton and articulated legs

B.  Segmented body and endoskeleton

C.  Soft body covered by calcium exoskeleton

D.  Body divided into three parts and radial symmetry

[1]

Markscheme

A

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