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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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Epidermis and periderm are _______ tissues.

  1. a. ground
  2. b. vascular
  3. c. dermal

Summary Introduction

Concept introduction: The plant surface is covered by the dermal tissues. It is a complex plant tissue with more than one cell type. It protects the inner tissues of the plant and also connects them to the outer world. Epidermis is the primary surface tissue of the plant. The dermal tissues help to detect excess water loss and invasion by insects and microorganisms.

Explanation

Reasons for correct statement:

Epidermis which includes the epidermal cells and their secretions is the primary dermal tissues that make up the outer layer of all plant organs like stems, roots, leaves and flowers. During the secondary growth of the plant, the epidermal tissue is replaced by the periderm. Periderm forms a protective cover on the older stems and roots.

Option c. is given as “dermal”. Epiderm and periderm are dermal tissues, therefore, option c. is correct.

Reasons for the incorrect statements:

Option a...

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