Skip to content
📢We are still a growing community and would love some help. Want to contribute? Join us by mailing an e-mail of interest to "r6394175@gmail.com"
Start helping our community →
← Theoretical 2

Q62 — Pine Needle Cross-Section — Resin Duct and Mesophyll

Theoretical 2 Real exam question — full text reproduced under IBO's CC BY-NC-SA 4.0 license
Leaf Anatomy

The figure depicts a cross-section of a plant organ. Observe the figure and choose whether the following statements are true or false.

Figure. Cross-section of a plant organ showing structure a (a ring of cells around a central empty lumen, dashed outline), structure b (mesophyll tissue with dotted inclusions), and space c (an air cavity near the epidermis). Figure. Cross-section of a plant organ, with structures a, b, and c labeled.

A. The cells labeled with b capture and assimilate CO2 into sugars.
B. The space labeled with c regulates water loss.
C. The structure labeled with a carries water and nutrition to different parts of the plants.
D. The structure labeled with a produces and stores resin.
← Previous: Q61 Next: Q63 →

Question reproduced from IBO 2022, Theoretical Paper 2, licensed under CC BY-NC-SA 4.0 — attributed to the International Biology Olympiad. Open the full exam PDF · Community solutions (unofficial)