A-LevelBiologyTransport in mammals9700/12 · May/June 2023 · Q321 Mark

Which properties of water are essential for its role in the transport of blood in mammals?

Ahigh latent heat of vaporisation (essential), solvent for polar substances (not essential)

Bhigh latent heat of vaporisation (not essential), solvent for polar substances (essential)

Chigh latent heat of vaporisation (essential), solvent for polar substances (essential)

Dhigh latent heat of vaporisation (not essential), solvent for polar substances (not essential)

✓ Correct answer

B: high latent heat of vaporisation (not essential), solvent for polar substances (essential)

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2023 Paper 1 Variant 2, question 32.

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