Question
View answerSLPaper 1A
Adult male beetles from two groups have non-overlapping wing-spot counts; DNA varies within each. Which conclusion applies the morphological species concept?
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SLPaper 1A
In a population of genetically identical bacteria, exposure to different environmental conditions results in varied protein expression. What does this demonstrate about biological variation?
SLPaper 1A
Vaporizing water required more energy per mole than methane. Which interactions were disrupted during vaporization?
SLPaper 1A
In plant tissues, adhesion between water and cellulose supports water movement. What would be the likely consequence if plant cell walls were composed of hydrophobic material?
SLPaper 1A
Bond P is broken throughout this DNA molecule without breaking any other bond. Which bond and outcome are expected?
IB Biology Topic A - Unity and Diversity Questionbank
Practice IB Biology Topic A - Unity and Diversity with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for A - Unity and Diversity and mirrors Paper 1A, 1B, 2 style where relevant.
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