DP Biology (first assessment 2025)

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Question 19N.1A.SL.TZ0.32

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1A.SL.TZ0.32
Level SL Paper 1A Time zone TZ0
Command term Determine Question number 32 Adapted from N/A
32.
[Maximum mark: 1]
19N.1A.SL.TZ0.32

Which process is most responsible for movement of water from roots to leaves of a plant on a hot sunny day?

A. Active translocation of mineral ions in roots

B. Active transport of organic compounds into sieve tubes

C. Raised hydrostatic pressure gradients

D. Evaporation of water from mesophyll cell walls

[1]

Markscheme

D

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