DP Biology (last assessment 2024)

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Question 20N.1.SL.TZ0.24

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1.SL.TZ0.24
Level SL Paper 1 Time zone TZ0
Command term Question number 24 Adapted from N/A
24.
[Maximum mark: 1]
20N.1.SL.TZ0.24

The photomicrograph shows a section through a human small intestine.

[Source: Chiodini RJ, Dowd SE, Chamberlin WM, Galandiuk S, Davis B,
Glassing A (2015) Microbial Population Differentials between Mucosal and Submucosal Intestinal Tissues in
Advanced Crohn’s Disease of the Ileum. PLoS ONE 10(7): e0134382. https://doi.org/10.1371/journal.pone.0134382.]

 

Which statement corresponds to the labelled structures?

A. X moves food along the intestine.

B. Y is the mucosa.

C. Y contains lacteals.

D. Z causes peristalsis

[1]

Markscheme

D

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