DP Biology (first assessment 2025)

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Question 22M.2.HL.TZ2.b

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Date May 2022 Marks available [Maximum mark: 3] Reference code 22M.2.HL.TZ2.b
Level HL Paper 2 Time zone TZ2
Command term Predict Question number b Adapted from N/A
b.
[Maximum mark: 3]
22M.2.HL.TZ2.b

Using the data in the graph, predict how the use of neonicotinoid pesticides will affect bumblebee populations.

[3]

Markscheme
  1. number of populations may/will decrease;
  2. both treatments decreased very significantly the number of queens;
  3. low treatment had (almost) the same effect as the high
    OR
    even low levels have as toxic/lethal effects as high levels;
  4. without new queens, new colonies cannot be founded;
  5. no/less/little reproduction (as only queens lay eggs);
  6. new colonies are essential to maintain bumblebee populations;

Syllabus sections