DP Biology (first assessment 2025)

Syllabus sections »

B. Form and function » B3.1. Gas exchange » B3.1.10. Stomatal density

B3.1.10. Stomatal density

Description

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Directly related questions

20N.1B.SL.TZ0.1a:
Calculate the magnification of the image, showing your working.

. . . . . . . . . . . . . . . . . . . . x
20N.1B.SL.TZ0.a:
Calculate the magnification of the image, showing your working.

. . . . . . . . . . . . . . . . . . . . x
20N.1B.SL.TZ0.1b:
The mean stomatal density for the lower epidermis of P. decandrum was around 600 per mm². Predict how the stomatal density for the upper epidermis would compare.
20N.1B.SL.TZ0.b:
The mean stomatal density for the lower epidermis of P. decandrum was around 600 per mm². Predict how the stomatal density for the upper epidermis would compare.
20N.1B.SL.TZ0.1b:
The mean stomatal density for the lower epidermis of P. decandrum was around 600 per mm². Predict how the stomatal density for the upper epidermis would compare.
20N.1B.SL.TZ0.b:
The mean stomatal density for the lower epidermis of P. decandrum was around 600 per mm². Predict how the stomatal density for the upper epidermis would compare.

Sub sections and their related questions

None