BIOLOGY
BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 38, Problem 3U
Summary Introduction

Introduction:

The dermal tissue in the plants acts as the first line of defense. The wax secreted by the epidermal cells protects the surface of the plant from the attacks and water loss. The other dermal tissue defense systems are thorns, bark, trichomes, and silica inclusions.

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Some plants are recognized by fungal pathogens on the basis of their stomatal pores. Which of the following would provide these plants immunity from fungal infection? a. Removing all of the stomata from the plant b. Changing the spacing of stomatal pores in these plants c. Reinforcing the cell wall in the guard cells of stomatal pores d. Increasing the number of trichomes on the surfaces
The epidermis___________. a. Is made of lignified cells that created a protective layer over the surface of a plant b. Expands throughout secondary growth c. Generates all trichomes d. Prevents gas and water exchange with the environment
The ________ forces selective uptake of minerals in the root. a. pericycle b. epidermis c. endodermis d. root cap
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