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Chapter 30: Q. 30 (page 869)

Compare the structure and function of xylem to that of phloem.

Short Answer

Expert verified

Xylem tissue responsible for water transportation and phloem tissue is for organic substance transportation.

Step by step solution

01

Step-1 Introduction 

Transportation of water and nutrients are mainly influenced by evapotranspiration, water potential, and stomatal regulation. A complex conducting tissue that occurs in a vascular bundle is called vascular tissue. This vascular tissue is responsible for the transportation of water, nutrients, and minerals.

02

Step-2 Explanation

Xylem Phloem
Responsible for water and mineral transport
Responsible for food and organic matter transport
Components like vessel elements, tracheids, and xylem parenchyma are present
Composed of companion cells, sieve-tube cells, phloem fibers, and phloem parenchyma
All are dead at maturity except xylem parenchyma
Most of the cells are alive at maturity
The movement of material is unidirectional
The movement of material is bidirectional
Located at the center of the vascular bundle
Situated on the outer side of the vascular bundle

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Most popular questions from this chapter

The ________ forces selective uptake of minerals in the root.

a. pericycle

b. epidermis

c. endodermis

d. root cap

Roots that enable a plant to grow on another plant are called ________.

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b. prop roots

c. adventitious roots

d. aerial roots

Which of the following is an example of secondary growth?

a. increase in length

b. increase in thickness or girth

c. increase in root hairs

d. increase in leaf number

Compare a tap root system with a fibrous root system. For each type, name a plant that provides a food in the human diet. Which type of root system is found in monocots? Which type of root system is found in dicots.

What might happen to a root if the pericycle disappeared?
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