DP Biology (first assessment 2025)

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Question 23M.1A.SL.TZ2.29

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ2.29
Level SL Paper 1A Time zone TZ2
Command term Question number 29 Adapted from N/A
29.
[Maximum mark: 1]
23M.1A.SL.TZ2.29

What is a benefit of having xylem vessels close to phloem sieve tubes in plants?

A.  Sugars can flow in both xylem vessels and phloem.

B.  Water can be supplied more easily to the phloem.

C.  A high concentration of solutes can be established at the source.

D.  Hydrostatic pressure can be established to move sugars to the source.

[1]

Markscheme

B

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