DP Biology (first assessment 2025)

Test builder »

Question 23M.1B.SL.TZ1.3d

Select a Test
Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.1B.SL.TZ1.3d
Level SL Paper 1B Time zone TZ1
Command term Explain Question number d Adapted from N/A
d.
[Maximum mark: 2]
23M.1B.SL.TZ1.3d
(d)

A standard potometer only measures water uptake. Explain how this apparatus measures the amount of water lost by the shoot as well as uptake.

[2]

Markscheme
  1. water uptake by shoot causes a decrease in reading for balance 2;
  2. water lost by the shoot would be total loss from the system;

OWTTE

Syllabus sections