DP Biology (first assessment 2025)

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Question 23M.2.HL.TZ2.3b

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.2.HL.TZ2.3b
Level HL Paper 2 Time zone TZ2
Command term Suggest Question number b Adapted from N/A
b.
[Maximum mark: 1]
23M.2.HL.TZ2.3b
(b)

Suggest one difference between tissue taken from a lung cancer tumour and normal lung tissue that might be seen in micrographs.

[1]

Markscheme
  1. fewer/smaller/lack of alveoli/air spaces;
  2. many cells/nuclei per area / much denser tissue;
  3. more cells undergoing mitosis (in the tumour);

 

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