Is xylem (or phloem) homogenous tissue or heterogeneous tissue?

Is xylem (or phloem) homogenous tissue or heterogeneous tissue?
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1 Answer

Answer :

Xylem and phloem both are heterogeneous tissue and are made up of different type of cellular elements.
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Related questions

Parenchyma is a type of ____ (a) simple tissue (b) complex tissue (c) xylem d) phloem

Description : Parenchyma is a type of ____ (a) simple tissue (b) complex tissue (c) xylem d) phloem

Last Answer : (a) simple tissue

Why are Xylem and Phloem known as complex permanent tissues?

Description : Why are Xylem and Phloem known as complex permanent tissues?

Last Answer : Because both of them are made of more than one type of cells (heterogeneous).

: Why are Xylem and Phloem called as vascular tissues?

Description : : Why are Xylem and Phloem called as vascular tissues?

Last Answer : Because they together constitute vascular bundle in plants.

Why are Xylem and Phloem known as conducting tissues?

Description : Why are Xylem and Phloem known as conducting tissues?

Last Answer : Because both of them help in conduction of water, mineral and food.

Why are Xylem and Phloem are called vascular or conducting tissues?

Description : Why are Xylem and Phloem are called vascular or conducting tissues?

Last Answer : Since both xylem and phloem tissues transport materials, they are together called vascular tissues.

List functions of phloem tissue?

Description : List functions of phloem tissue?

Last Answer : 1. Phloem transport food in both directions. 2. Sieve tubes and companion cells are involved in translocation of organic substances. 3. Phloem parenchyma and phloem fibres play supporting role in the transportation process.

Name the cellular elements of Phloem tissue.

Description : Name the cellular elements of Phloem tissue.

Last Answer : Four types: 1. Sieve tubes 2. Companion cells 3. Phloem parenchyma and 4. Phloem fibres

What is the role of xylem tissue?

Description : What is the role of xylem tissue?

Last Answer : Xylem tissues are specialized for the conduction of water and mineral substances in the plant body. 1. Tracheids and vessels forms tubular structures to transport water and minerals vertically ( ... and helps in the sideways conduction of water. 3. Fibres are mainly supportive in function.

List the cellular elements of xylem tissue?

Description : List the cellular elements of xylem tissue?

Last Answer : Xylem tracheids 2. Xylem tracheae or vessels 3. Xylem fibers and 4. Xylem parenchyma

Which of the following is not a simple tissue? (a) xylem (b) parenchyma (c) collenchyma (d) sclerenchyma

Description : Which of the following is not a simple tissue? (a) xylem (b) parenchyma (c) collenchyma (d) sclerenchyma

Last Answer : (a) xylem

Which Phloem cellular element has tubular structure with perforated walls?

Description : Which Phloem cellular element has tubular structure with perforated walls?

Last Answer : Sieve tubes

What are the constituents of phloem?

Description : What are the constituents of phloem?

Last Answer : Four types: Sieve Tubes Companion Cells Phloem fibres Phloem parenchyma

Why vascular tissue is considered a distinctive feature responsible for survival of plants in terrestrial plants?

Description : Why vascular tissue is considered a distinctive feature responsible for survival of plants in terrestrial plants?

Last Answer : Fossils of plants show that vascular tissue appear 400 million years ago. It is believed that aquatic plants moved to terrestrial environment and adaptations like vascular tissue, protected seeds, true roots ... root, stem and leaves. It also enable plant to grow upright i.e. become taller.

Which plant tissue is considered to have played an important role in survival of terrestrial plants?

Description : Which plant tissue is considered to have played an important role in survival of terrestrial plants?

Last Answer : Vascular tissue i.e. xylem and phloem.

Which tissue is known as living mechanical tissue?

Description : Which tissue is known as living mechanical tissue?

Last Answer : Collenchyma.

Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?

Description : Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?

Last Answer : Collenchyma

What are the identifying features of collenchyma tissue?

Description : What are the identifying features of collenchyma tissue?

Last Answer : 1. Long and narrow cells 2. cell walls are irregularly thickened at corners due to deposition of cellulose or pectin. 3. oval, circular or polygonal in shape 4. Very little intercellular spaces are present

What is the structure and nature of Parenchyma tissue?

Description : What is the structure and nature of Parenchyma tissue?

Last Answer : Living cells, thin walled,cell wall composed of cellulose and Pectin, large intercellular spaces

What are the functions of areolar tissue?

Description : What are the functions of areolar tissue?

Last Answer : 1. It is found between skin and muscles and around blood vessels. It binds skin with underlying parts. 2. It acts as a filling medium and fills the gap between the organs and hence protects internal organs. 3. It also helps in repairing damaged tissues.

Name the tissue responsible for the movement in our body.

Description : Name the tissue responsible for the movement in our body.

Last Answer : Muscular tissue.

Which tissue makes up the husk of coconut?

Description : Which tissue makes up the husk of coconut?

Last Answer : Sclerenchymatous tissue

Which tissue helps in increasing the length of stem and root? OR Q: Which tissues are responsible for the axial growth of plants?

Description : Which tissue helps in increasing the length of stem and root? OR Q: Which tissues are responsible for the axial growth of plants?

Last Answer : Apical Meristem.

Why do plants have more dead tissues as compared to animals?OR Q: Why do plant tissue require less amount of energy in comparison to animal tissues?

Description : Why do plants have more dead tissues as compared to animals?OR Q: Why do plant tissue require less amount of energy in comparison to animal tissues?

Last Answer : Most of the plant tissues are dead, since dead cells can provide mechanical strength as easily as live ones, and need less maintenance. Also plants have sedentary life i.e. they are stationary. Therefore plant tissues require less amount of energy.

What is a tissue?

Description : What is a tissue?

Last Answer : Groups of cells which have a common origin, with similar structure and work together to give the highest possible efficiency of function is called tissue. Blood, phloem and muscle are all examples of tissues

The inner lining of blood vessels is made up of which tissues? (a) Nervous tissue (b) Epithelial tissue (c) Connective tissue (d) Muscle tissue

Description : The inner lining of blood vessels is made up of which tissues? (a) Nervous tissue (b) Epithelial tissue (c) Connective tissue (d) Muscle tissue

Last Answer : (b) Epithelial tissue

Which tissue is responsible for the length of the plant? (a) Apical meristem (b) lateral meristem (c) Intercalary meristem (d) Epidermis

Description : Which tissue is responsible for the length of the plant? (a) Apical meristem (b) lateral meristem (c) Intercalary meristem (d) Epidermis

Last Answer : (a) Apical meristem

Which type of tissue has lignified cell walls? (a) Parenchyma (b) Collenchyma (c) Sclerenchyma (d) cambium

Description : Which type of tissue has lignified cell walls? (a) Parenchyma (b) Collenchyma (c) Sclerenchyma (d) cambium

Last Answer : (c) Sclerenchyma

What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays

Description : What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays

Last Answer : Ans. ((a))

The tissue that is involved in the transport of food material in plants is called: (a) parenchyma (b) phloem (c) sclerenchyma (d) xylem

Description : The tissue that is involved in the transport of food material in plants is called: (a) parenchyma (b) phloem (c) sclerenchyma (d) xylem

Last Answer : Ans:(b)

Which tissue is responsible for the passage of water in plants? (a) Sclerenchyma (b) Xylem (c) Phloem (d) Collenchynatous cells

Description : Which tissue is responsible for the passage of water in plants? (a) Sclerenchyma (b) Xylem (c) Phloem (d) Collenchynatous cells

Last Answer : Ans:(b)

The food conducting tissue of a plant is (1) Phloem (2) Xylem (3) Parenchyma (4) Collenchyma

Description : The food conducting tissue of a plant is (1) Phloem (2) Xylem (3) Parenchyma (4) Collenchyma

Last Answer : (1) Phloem Explanation: In vascular plants, phloem is the living tissue that carries organic nutrients, in particular, sucrose, a sugar, to all parts of the plant where needed. ... mainly with the transport of soluble organic material made during photosynthesis. This is called translocation.

Some vascular bundles are described as open because these (a) are surrounded by pericycle but no endodermis (b) are capable of producing secondary xylem and phloem(c) possess conjunctive tissue between xylem and phloem (d) are not surrounded by pericycle.

Description : Some vascular bundles are described as open because these (a) are surrounded by pericycle but no endodermis (b) are capable of producing secondary xylem and phloem (c) possess conjunctive tissue between xylem and phloem (d) are not surrounded by pericycle.

Last Answer : (b) are capable of producing secondary xylem and phloem

What vascular tissue brings water and minerals to the leaves? a) phloem (pron: flow-em) b) xylem c) cambium d) rhizomes (pron: rye-zom)

Description : What vascular tissue brings water and minerals to the leaves? a) phloem (pron: flow-em) b) xylem c) cambium d) rhizomes (pron: rye-zom)

Last Answer : ANSWER: B -- XYLEM

The food conducting tissue of a plant is (1) Phloem (2) Xylem (3) Parenchyma (4) Collenchyma

Description : The food conducting tissue of a plant is (1) Phloem (2) Xylem (3) Parenchyma (4) Collenchyma

Last Answer : Phloem

what do you mean by homogenous and heterogeneous equilibrium?

Description : what do you mean by homogenous and heterogeneous equilibrium?

Last Answer : Ans. Homogenous;-It is that equilibrium reaction in which all the reactants and the products are in the same phase. Heterogeneous equilibrium: - It is that equilibrium reaction in which all the reactants and the products are in two or more phases

In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO2 to SO3 is accomplished by a __________ reaction. (A) Non-catalytic homogeneous (B) Non-catalytic heterogeneous (C) Catalytic homogenous (D) Catalytic heterogeneous

Description : In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO2 to SO3 is accomplished by a __________ reaction. (A) Non-catalytic homogeneous (B) Non-catalytic heterogeneous (C) Catalytic homogenous (D) Catalytic heterogeneous

Last Answer : (C) Catalytic homogenous

Array is A) Primary data type B) Pointer data type C) Heterogeneous data type D) Homogenous data type

Description : Array is A) Primary data type B) Pointer data type C) Heterogeneous data type D) Homogenous data type

Last Answer : D) Homogenous data type

Competition -oriented pricing is: A)used when costs and revenues are considered secondary to competitors' prices. B)not useful as a method of increasing or maintaining market share. C)of little use if the competing products are homogenous. D)most often used when competing products are heterogeneous.

Description : Competition-oriented pricing is: A)used when costs and revenues are considered secondary to competitors' prices. B)not useful as a method of increasing or maintaining market share. C)of little use if the competing products are homogenous. D)most often used when competing products are heterogeneous.

Last Answer : A)used when costs and revenues are considered secondary to competitors' prices.

Why do meristematic cells lack vacoules?

Description : Why do meristematic cells lack vacoules?

Last Answer : The purpose of vacuole is to store food and waste product. Since meristems are young cells and are actively dividing, they do not partcipate actively in food preparetion. Neither they produce large waste and hence lack vacuoles.

Name two types of complex tissues.

Description : Name two types of complex tissues.

Last Answer : Xylem and Phloem

How are complex tissues different from simple tissues?

Description : How are complex tissues different from simple tissues?

Last Answer : Complex tissues are made of more than one type of cells.

Name the chemical released by cork cells?

Description : Name the chemical released by cork cells?

Last Answer : Suberin which makes them impervious to gases and water.

Usually Shrubs and herbs grow in open places and are exposed to forceful winds. But they do not break.Why?

Description : Usually Shrubs and herbs grow in open places and are exposed to forceful winds. But they do not break.Why?

Last Answer : The aerial young parts of shrubs and herbs contain collenchyma tissues which provide flexibility and elasticity to plants to withstand against winds.

Are Collenchyma tissues present in roots of the plants?

Description : Are Collenchyma tissues present in roots of the plants?

Last Answer : No, Collenchyma is absent in root system. It is present in stem, petioles, veins of leaf.

Why the cell walls of collenchyma tissues are unevenly thickened?

Description : Why the cell walls of collenchyma tissues are unevenly thickened?

Last Answer : : The cell walls are unevenly thickened due to deposition of excessive cellulose, and pectin.

List the functions of epidermis.

Description : List the functions of epidermis.

Last Answer : 1. protection against loss of water 2. protection against mechanical injury. 3. protection against infection (e.g. fungus infection). 4. In roots epidermis have hair like projects which increase the surface area for absorption of water and minerals.

Which meristem replaces epidermis as the protective covering?

Description : Which meristem replaces epidermis as the protective covering?

Last Answer : Secondary meristem called periderm or cork cambium.

How does epidermis help xerophytes?

Description : How does epidermis help xerophytes?

Last Answer : Xerophytes are the plants which grow in desert conditions. In plants living in very dry habitats, epidermis may be thicker since protection against water loss is critical. The entire surface ... the parts of the plant.It also releases a waxlike substance called cutin which restricts transpiration

What is aerenchyma?

Description : What is aerenchyma?

Last Answer : It is a specialized parenchyma found in aquatic plants. It consists of network of cells that enclose large air cavities. It provides buoyancy to the plants to help them float

(CBSE2011): Deepa was shown two slides of plant tissues: parenchyma and sclerenchyma. She can identify sclerenchyma by the (a) location of nucleus (b) size of cells (c) thickness of cell walls (d) position of vacuoles

Description : (CBSE2011): Deepa was shown two slides of plant tissues: parenchyma and sclerenchyma. She can identify sclerenchyma by the (a) location of nucleus (b) size of cells (c) thickness of cell walls (d) position of vacuoles

Last Answer : (c) thickness of cell walls