IB Biology HL 3.1.23 Ethylene and fruit ripening Question Bank
Practise IB Biology HL 3.1.23 by applying ethylene and fruit ripening concepts to exam-style questions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- identify the relevant biological structure, process or evidence
- apply the correct biological mechanism to the question
- evaluate the result using data, adaptation or ecological reasoning
C3.1.23 (HL)—Ethylene and fruit ripening question 1
[Maximum number: 1]
What plays a direct role in promoting the ripening of fruit?
A
Oestradiol
B
Auxin
C
Cytokines
D
Ethylene
D
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