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10 Questions

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Xylem and Phloem in Vascular Plants

Created by

@ProductivePrehnite

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Questions and Answers

What is the basic function of xylem?

Transport nutrients from leaves to roots

Assist in photosynthesis process

Support the plant structure

Transport water from roots to stems and leaves (correct)

Which cells are the most distinctive xylem cells that transport water?

Parenchyma

Fibers

Tracheary elements (correct)

Vessel elements

What type of xylem is formed during primary growth from procambium?

Tertiary xylem

Transitional xylem

Primary xylem (correct)

Secondary xylem

What is the term for the xylem tissue laid down by a meristem called the vascular cambium in woody plants?

Secondary xylem Signup and view all the answers

What is the branching pattern exhibited by xylem known as?

Murray's law Signup and view all the answers

Who introduced the term 'xylem' and in what year?

Carl Nägeli introduced the term 'xylem' in 1858. Signup and view all the answers

What is the meaning of the word 'xylem' derived from?

The word 'xylem' is derived from the Ancient Greek word ξύλον (xylon), meaning 'wood'. Signup and view all the answers

What are the two other types of cells found in xylem, besides tracheary elements?

Parenchyma and fibers are the two other types of cells found in xylem. Signup and view all the answers

Where can xylem be found in plants?

Xylem can be found in vascular bundles, present in non-woody plants and non-woody parts of woody plants, in secondary xylem laid down by a meristem called the vascular cambium in woody plants, and as part of a stelar arrangement not divided into bundles, as in many ferns. Signup and view all the answers

What are the two types of xylem formed during primary growth from procambium?

Primary xylem includes protoxylem and metaxylem. Signup and view all the answers

Study Notes

Xylem Functions and Characteristics

The basic function of xylem is to transport water.

Xylem Cells

Tracheary elements are the most distinctive xylem cells that transport water.

Xylem Formation

Primary xylem is formed during primary growth from procambium.
Secondary xylem is the tissue laid down by a meristem called the vascular cambium in woody plants.

Xylem Structure

The branching pattern exhibited by xylem is known as dichotomous branching.

History of Xylem

The term 'xylem' was introduced by Carl Wilhelm von Nägeli in 1858.

Etymology of Xylem

The word 'xylem' is derived from the Greek word xylon, meaning wood.

Xylem Composition

Besides tracheary elements, xylem also contains parenchyma cells and sclerenchyma cells.

Xylem Location

Xylem can be found in plants, responsible for water transport.

Types of Xylem

The two types of xylem formed during primary growth from procambium are protostele and siphonostele.

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Description

Test your knowledge about the structure and function of xylem, one of the two types of transport tissue in vascular plants, responsible for transporting water and nutrients from roots to stems and leaves. Learn about the history and terminology associated with xylem.