DP Biology (first assessment 2025)

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Question 21M.1A.HL.TZ2.5

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.HL.TZ2.5
Level HL Paper 1A Time zone TZ2
Command term Question number 5 Adapted from N/A
5.
[Maximum mark: 1]
21M.1A.HL.TZ2.5

Which statement is evidence for the endosymbiotic theory?

A. Chloroplasts contain 70S ribosomes.

B. Protein synthesis occurs in the cytoplasm.

C. Organic molecules can be synthesised abiotically.

D. RNA is self-replicating.

[1]

Markscheme

A

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