DP Biology (first assessment 2025)

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Question 22M.2.HL.TZ2.1c.ii

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Date May 2022 Marks available [Maximum mark: 2] Reference code 22M.2.HL.TZ2.1c.ii
Level HL Paper 2 Time zone TZ2
Command term Describe Question number c.ii Adapted from N/A
c.ii.
[Maximum mark: 2]
22M.2.HL.TZ2.1c.ii
(c.ii)

Describe the overall effects of low and high doses of neonicotinoid on the egg lengths of all four species.

[2]

Markscheme
  1. low doses caused (slight) decrease in (average) egg lengths in 3 species/most species
    OR
    low doses caused a slight increase in 1 species/B. pascuorum;
  2. high doses caused (slightly) lower (average) results in all 4 species (compared to control);
  3. in only one species/B. pratorum, the high doses caused larger lengths than the low doses;

Accept any other valid comparison.

Syllabus sections