DP Biology (first assessment 2025)

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Question EXEX.1B.HL.TZ0.1b

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Date Example questions Example questions Marks available [Maximum mark: 2] Reference code EXEX.1B.HL.TZ0.1b
Level HL Paper 1B Time zone TZ0
Command term List Question number b Adapted from N/A
b.
[Maximum mark: 2]
EXEX.1B.HL.TZ0.1b
(b)

The fibres seen on the surface are a distinctive feature of this virus. List two other differences in structure that may occur between viruses.

[2]

Markscheme
  1. presence of envelope;
  2. genetic material can be DNA or RNA;
  3. presence of enzymes;
  4. different shapes/ rounded or elongated shapes;

Syllabus sections