DP Biology (first assessment 2025)

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Question 23M.1A.HL.TZ1.31

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.HL.TZ1.31
Level HL Paper 1A Time zone TZ1
Command term Question number 31 Adapted from N/A
31.
[Maximum mark: 1]
23M.1A.HL.TZ1.31

Which adaptation would allow plants to live in saline irrigated soil?

A.  Small, shallow roots

B.  Active uptake and compartmentalization of mineral ions to maintain homeostasis

C.  Increased transpiration to replace water in stems

D.  Leaves with a large surface area for increased photosynthesis

[1]

Markscheme

B

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