None of these. Phloem has no mechanical function. Phloem is the food conducting element (transportation of food). (a) Xylem (b) Phloem (c) Meristematic Tissues (d) Permanent Tissues. 2. Phloem is made up of four types of elements ... (ii) vessels (iii) xylem parenchyma (iv) xylem phloem. What are the constituents of phloem? It could become, for example, phloem. Here we have given NCERT Solutions for Class 7 Science Chapter 11 Transportation in Animals and Plants. Furthermore, these two are types of vascular tissues that exist in plants and they transport the essential materials among the various parts of the plants. Only A. Xylem tissue is used mostly for transporting water from roots to stems and leaves but also transports other dissolved compounds. (i) Xylem and Phloem. The main function of the sieve tube is the transport of carbohydrates, primarily sucrose, in the plant. CBSE Class 9 - Biology - Plant Tissues (MCQs) Multiple Choice Questions (MCQs) Q1: Which of the following has the ability to divide ? 1. 10. It consists mainly the dead tissue (except xylem parenchyma). Xylem And Phloem Are An Example Answer: Complex tissues It is possible to describe complex permanent tissues as the collections of various types of cells that help to perform a common function. 10 Questions Show answers. Phloem: Like xylem, phloem is also vascular but has no mechanical function. Both xylem and phloem consist of more than one type of cells, which coordinate to perform a common function. 651 Views. Ø In leaves, the phloem is located on the abaxial side (lower side). between the stems, roots, and leaves of plants.. toward the root and shoot) because phloem transports food from leave to other parts of the plant. Dec 10, 2020 - Complex Permanent Tissues -Xylem and Phloem - Tissues - Class 9 - Science Class 9 Video | EduRev is made by best teachers of Class 9. 11. Ask your question. Ø In some plants (members of Cucurbitaceae and Convolvulaceae), the phloem is present on both external and internal to xylem. The different components of the xylem include tracheids, vessels, xylem parenchyma and xylem fibres. NCERT Solutions for Class 7 Science Chapter 11 Transportation in Animals and Plants are part of NCERT Solutions for Class 7 Science. This class is aimed at people interested in understanding the basic science of plant biology. Difference between xylem and phloem is an important aspect of Biology. Their primary function is transportation of food, minerals and water. parthkoshti6423 parthkoshti6423 20.10.2017 Science Secondary School +13 pts. Xylem transports water and minerals from roots to the aerial parts in one direction only whereas phloem transports food and nutrients from leaves to different parts of the plants in upward and downward direction. 1. Such a vascular bundle is called bicollateral vascular bundle. Tissues Class 9 Extra Questions Long Answer Type. One xylem and one phloem are known as a ‘vascular bundle’ and most plants have multiple vascular bundles running the length of their leaves, stems, and roots. Lastly, the transportation through phloem occurs in both directions. Class 9 Science Chapter 6 Important Questions of Tissues with answers and explanation. It conducts food from leaves to all parts of the plant. By this we can determine the age of tree. Question 1 CBSE NCERT Solutions for Class 9 Science Chapter 6 . Q7. The transportation of water and dissolved mineral salts, from the root to stem, leav It is composed of tracheids, vessels, xylem parenchyma and xylem fibre, (in stems) 2. Log in. explain the transport of materials through xylem and phloem in plants. Phloem and xylem are closely associated and are usually found right next to one another. Difference # Phloem: 1. And in the phloem, it could either be the companion cell or the sieve cell. CBSE Ncert Notes for Class 9 Biology Tissues. Solution: “A group of cells that are similar in structure and/or work together to achieve a particular function is called a tissue.” Blood, phloem, and muscle are all examples of tissues. Class 9 Science Chapter 6 Extra Questions Answers are important for the preparation of school tests as well as final exams. Log in. The transportation of water and dissolved mineral salts, from the root to stem, leaves, flowers and other parts of the plant takes place through xylem. Xylem is composed of cells of four different types: 1. Question 9: Which of the following statments are True/False ? Differentiate between (i) Xylem and phloem (ii) Vessel and sieve tube (iii) Tracheid and vessel Answer: (i) Xylem and phloem – Xylem: Xylem consists of tracheids, vessels, xylem parenchyma and xylem fibres. 1. Asked by Chandrashekhar 3rd September 2018 7:35 PM Conducting elements are of two types, vessels and tracheids. Both A and B. Q2: The growth is plants is (a) limited to certain regions (b) uniform in all parts Correct Option is : 3. Class 10 Class 12. 9. 1. Question 1. Know the topics xylem and phloem including tracheids, vessels, companion cells and phloem fibres with the help of study material for medical exams offered by askIITians. Zigya App. All the cells of xylem except the xylem parenchyma are dead. Only B. Sieve tubes are columns of sieve-tube cells with perforations on the lateral wall through which the food substances travel. Xylem and phloem are the two types of vascular tissues, present in plants and together constitute vascular bundles.Their function is to efficiently transport the materials which can be food, water, nutrients, organic materials, etc. Back of Chapter Questions . It conducts water and minerals from roots to leaves. This tissue helps in the transport of water and dissolved substances throughout the plant. This video is highly rated by Class 9 students and has been viewed 608 times. Moreover, xylem and phloem constitute vascular bundles when they are together. This article is helpful for Class 9 Science Chapter 6 Tissue. This quiz is incomplete! Content: Xylem Vs Phloem. The interface of the tubes contains pores which help in conduction. These extra important questions cover the entire chapter 6 from NCERT Textbooks. It also contains parenchymatous as well as sclerenchymatous; It doesn’t perform mechanical function. To play this quiz, please finish editing it. Xylem and phloem are known as complex tissues as they are made up of more than one type of cells. 142 Qs. Board CBSE Textbook NCERT Class Class 7 Subject Science Chapter Chapter 11 Chapter Name Transportation in […] Phloem is composed of following four elements: (i) Sieve tubes (ii) Companion cells (iii) Phloem parenchyma (iv) Phloem fibres. Tracheary elements have different types of wall thickenings. Phloem, like xylem, is comprised of several specialized cells like sieve tubes, companion cells, phloem fibers, and phloem parenchyma. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Ask your question. It is composed of sieve tube, sieve plates, companion cell, phloem parenchyma and phloem fibre. 2. Except phloem fibres, all other phloem elements are living. Also, the chlorenchyma of phloem parenchyma prepares food by process of photosynthesis. ... NCERT Solutions for Class 11 Biology Chapter 1 to 10. It is composed of mainly dead elements. Phloem conducts organic food. ... Reference Books for class 9 science. 3. These cells work in a coordinated manner, as a unit, to perform the various functions of the xylem and phloem. Location of phloem in plants: Ø Usually, the phloem is situated external to xylem. Xylem and phloem are both conducting tissues and are also known as vascular tissues. It mostly has living tissue (except phloem fibre). These cells are also living cells and are not lignified. 2. Define the term “tissue”. It could become, for example, xylem. Xylem: The cells have thick cell wall and many of them are dead. Join now. Further you will read components of phloem in tissues notes class 9. Phloem and xylem are complex tissues that perform transportation of food and water in a plant. Xylem and phloem are the names for the special pipe-like system that allows water and food to get delivered to all parts of a plant. In this lecture we have discussed about the COMPLEX PERMANENT TISSUE XYLEM & PHLOEM GUYS THERE are lots of confusion regarding this topic among students and infact among teachers. PHLOEM. Difference between xylem and phloem for class 9 - 1615821 1. Answer . Join now. Phloem parenchyma is used to prepare and store food. Answered Difference between xylem and phloem for class 9 2 See answers Phloem: It transports prepared food from the leaves to every part of plants. This discussion on Difference between xylem and phloem is done on EduRev Study Group by Class 9 Students. (a) Xylem & phloem are example of complex tissues. Solution : 1. The Questions and Answers of Difference between xylem and phloem are solved by group of students and teacher of Class 9, which is also the largest student community of Class 9. Xylem and phloem are vascular tissues found in the plants. Start studying Class 9: Phloem Translocation. Xylem rings are the rings present at the trunk of trees. Xylem Phloem 1. Support with a labelled diagram. 2. Xylem and phloem together make the vascular bundle in plants. Sieve tube is an integral component of the phloem which is composed of several sieve tube elements which join end to end to form a channel for conduction. Phloem and xylem are complex tissues that perform transportation of food and water in a plant. Xylem and phloem are both conducting tissues and also known as vascular tissues; together both them constitute vascular bundles. Xylem: Phloem: 1. The material (food) can move in both the directions (i.e. Vessels are devoid of septa. Tissues. (b) Xylem consists of tracheids, vessels and xylem parenchyma. Xylem: Xylem is a vascular and mechanical tissue.