DP Biology (first assessment 2025)

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Question 19N.1B.SL.TZ0.a

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Date November 2019 Marks available [Maximum mark: 2] Reference code 19N.1B.SL.TZ0.a
Level SL Paper 1B Time zone TZ0
Command term Estimate Question number a Adapted from N/A
a.
[Maximum mark: 2]
19N.1B.SL.TZ0.a

Using the graph, estimate isotonic sucrose solutions for potato tissue and carrot tissue.

Potato:

Carrot:

[2]

Markscheme

potato: 0.26 mol dm–3 ✔ Allow a range of 0.22–0.32
carrot: 0.50 mol dm–3 ✔ Allow a range of 0.45–0.55 (Allow 1 max if no units or either unit is omitted)

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