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.

8/9/2019 IB Biology Questions - Paper 2 Topic 3 Questions

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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.

8/9/2019 IB Biology Questions - Paper 2 Topic 3 Questions

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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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