ib biology questions - paper 2 topic 3 questions
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8/9/2019 IB Biology Questions - Paper 2 Topic 3 Questions
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Topic 3.1Chemical Elements & Water
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Question 1 Short
State four elements that are needed byliving organisms, other than carbon,hydrogen and oxygen, giving one role ofeach.
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Carbohydrates, lipids & proteins
Topic 3.2
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Question 1 Short
Plants store carbohydrate in the form of starch. Explain the reasons forstarch being digested by the human digestive system
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Question 2 Short
Outline the role of hydrolysis in the relationships between monosaccharides,disaccharides and polysaccharides.
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DN Structure
Topic 3.3
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Question 1 Medium
Dra! and label a diagram of the molecularstructure of DN.
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Question 2 Short
Dra! a labelled diagram to sho! ho! t!onucleotides are "oined together in a singlestrand of DN
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DN #eplication, $ranscription & $ranslation
Topic 3.4 + 3.5
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Question 1 Long
Explain the significance of complementary base pairing for replication,transcription and translation.
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Question 2 Short
Compare the structure and composition of DN !ith #N
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En%ymes
Topic 3.6
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Question 1 Long
Describe the use of biotechnology in theproduction of lactosefree mil'.
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Cell #espiration
Topic 3.7
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Question 1 Medium
Compare anaerobic cellular respiration andaerobic cellular respiration.
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(hotosynthesis
Topic 3.8
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Question 1 Medium
Explain ho! the rate of photosynthesis canbe measured.
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Question 2 Medium
)utline ho! three di*erent environmentalconditions can a*ect the rate ofphotosynthesis in plants.
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