: Why are Xylem and Phloem called as vascular tissues?

: Why are Xylem and Phloem called as vascular tissues?
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1 Answer

Answer :

Because they together constitute vascular bundle in plants.
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Related questions

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.

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 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.

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

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

Last Answer : Xylem and phloem both are heterogeneous tissue and are made up of different type of cellular elements.

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

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

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 are the constituents of phloem?

Description : What are the constituents of phloem?

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

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 plant tissues are often called as stone cells?

Description : Which plant tissues are often called as stone cells?

Last Answer : Sclerenchyma

The study of tissues is called ... a) cytology b) embryology c) histology d) pathology

Description : The study of tissues is called ... a) cytology b) embryology c) histology d) pathology

Last Answer : c) histology

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.

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.

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.

(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

Where do you find collenchyma tissues in plants?

Description : Where do you find collenchyma tissues in plants?

Last Answer : Below the epidermis of stem and around veins of leaves.

What do you mean by 'Differentiation' in plant tissues?

Description : What do you mean by 'Differentiation' in plant tissues?

Last Answer : The cells formed by meristematic tissue take up a specific role and lose the ability to divide. As a result, they form a permanent tissue. This process of taking up a permanent shape, size, and a function is called differentiation.

Which tissues are responsible for the secondary growth of plants?

Description : Which tissues are responsible for the secondary growth of plants?

Last Answer : Vascular Cambium and Cork Cambium (also called secondary meristems) are responsible for the secondary growth. They increase the thickness (size of the girth) of the plant body.

: List the characteristics of meristematic tissues.

Description : : List the characteristics of meristematic tissues.

Last Answer : 1. They are actively dividing cells and they divide throughout the life. 2. Cells are compactly arranged, NO intercellular spaces. 3. Lack vacuoles 4. Cells have dense cytoplasm, thin cell walls 5. Prominent Nuclei

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.

Name types of simple tissues.

Description : Name types of simple tissues.

Last Answer : Simple tissues (made up of one type of cells) are of three types: 1. Parenchyma 2. Collenchyma 3. Sclerenchyma

Identify which of the following plant tissues are living or dead?

Description : Identify which of the following plant tissues are living or dead?

Last Answer : Living: Apical Meristem, Parenchyma, Aerenchyma, Collenchyma, Xylem Parenchyma, Phloem Parentchyma, Sieve Tubes Dead: Sclereids, Tracheids, Xylem Fibres, Phloem fibre, Phloem fibre, Vessel

Why do animals tissues require more energy as compared to plant tissues?

Description : Why do animals tissues require more energy as compared to plant tissues?

Last Answer : Animals move from one place to another in search of food, shelter etc., hence they need more energy and there more tissues are living.

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.

Explain the statement 'Tissues exhibit division of labour'. Give examples. OR Q: What is the utility of tissues in multicellular organisms?

Description : Explain the statement 'Tissues exhibit division of labour'. Give examples. OR Q: What is the utility of tissues in multicellular organisms?

Last Answer : In multicellular organisms there are millions of cells. Each specialised function is taken up by a different group of cells called tissue. Or Group of cells, forming a tissue are capable of ... water from one part of the plant to other parts. So, multicellular organisms show division of labour

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

What are the identifying features of meristematic tissues? (a) thick cellulose wall, small vacuoles, dense cytoplasm, small nuclei (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, prominent nuclei (c) thin cellulose wall,no vacuoles, sparse cytoplasm, prominent nuclei (d) thick cellulose, large vacuoles, sparse cytoplasm, small nuclei

Description : What are the identifying features of meristematic tissues? (a) thick cellulose wall, small vacuoles, dense cytoplasm, small nuclei (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, ... sparse cytoplasm, prominent nuclei (d) thick cellulose, large vacuoles, sparse cytoplasm, small nuclei

Last Answer : (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, prominent nuclei

Which of the following statements is incorrect? (a) Some tissues in plants divide throughout the life (b) Cell growth in animals is more uniform as compared to plants (c) Animals have more dead tissues as compared to plants (d) There is no demarcation of dividing and nondividing regions in animals

Description : Which of the following statements is incorrect? (a) Some tissues in plants divide throughout the life (b) Cell growth in animals is more uniform as compared to plants (c) Animals have more ... as compared to plants (d) There is no demarcation of dividing and nondividing regions in animals

Last Answer : (c) Animals have more dead tissues as compared to plants

The basic principle based on which categorise plant tissues as meristematic and permanent is: (a) capacity to do photosynthesis (b) capacity to divide (c) capacity to locomote (d) complexity to perform a function.

Description : The basic principle based on which categorise plant tissues as meristematic and permanent is: (a) capacity to do photosynthesis (b) capacity to divide (c) capacity to locomote (d) complexity to perform a function.

Last Answer : (b) capacity to divide

Many kinds of tissues organise to form a/an (a) organ (b) organ system (c) body system (d) organelle

Description : Many kinds of tissues organise to form a/an (a) organ (b) organ system (c) body system (d) organelle

Last Answer : (a) organ

Which of the following statement is NOT true? (a) Most of the plant tissues are supportive type. (b) Tissues ensure division of labour. (c) Sedantry existence contribute to the organ system design in animals. (d) Organ systems are far more complex in animals than in plants.

Description : Which of the following statement is NOT true? (a) Most of the plant tissues are supportive type. (b) Tissues ensure division of labour. (c) Sedantry existence contribute to the organ system design in animals. (d) Organ systems are far more complex in animals than in plants.

Last Answer : (c) Sedantry existence contribute to the organ system design in animals.

If xylem and phloem are arranged in the same radius, such a vascular bundle is called : (1) collateral (2) bicollateral (3) concentric (4) radial

Description : If xylem and phloem are arranged in the same radius, such a vascular bundle is called : (1) collateral (2) bicollateral (3) concentric (4) radial

Last Answer : (1) collateral Explanation: In the collateral type of vascular bundle, xylem and phloem are arranged side by side on the same radius. This may be either open or closed. Usually xylem is seen ... the inner side and phloem towards outer side. The collateral vascular bundle is also known as conjoint.

Why are xylem and phloem called vascular bundles?

Description : Why are xylem and phloem called vascular bundles?

Last Answer : Since xylem and phloem occur together they are called vascular bundles.

If xylem and phloem are arranged in the same radius, such a vascular bundle is called : (1) collateral (2) bicollateral (3) concentric (4) radial

Description : If xylem and phloem are arranged in the same radius, such a vascular bundle is called : (1) collateral (2) bicollateral (3) concentric (4) radial

Last Answer : collateral

Cork is formed from (a) cork cambium (phellogen) (b) vascular cambium (c) phloem (d) xylem.

Description : Cork is formed from (a) cork cambium (phellogen) (b) vascular cambium (c) phloem (d) xylem.

Last Answer : (a) cork cambium (phellogen)

Vascular cambium produces (a) primary xylem and primary phloem (b) secondary xylem and secondary phloem (c) primary xylem and secondary phloem (d) secondary xylem and primary phloem.

Description : Vascular cambium produces (a) primary xylem and primary phloem (b) secondary xylem and secondary phloem (c) primary xylem and secondary phloem (d) secondary xylem and primary phloem.

Last Answer : (b) secondary xylem and secondary phloem

The vascular cambium normally gives rise to (a) primary phloem (b) secondary xylem (c) periderm (d) phelloderm.

Description : The vascular cambium normally gives rise to (a) primary phloem (b) secondary xylem (c) periderm (d) phelloderm.

Last Answer : (b) secondary xylem

Secondary xylem and phloem in dicot stem are produced by (a) apical meristems (b) vascular cambium (c) phellogen (d) axillary meristems

Description : Secondary xylem and phloem in dicot stem are produced by (a) apical meristems (b) vascular cambium (c) phellogen (d) axillary meristems

Last Answer : (b) vascular cambium

A major characteristic of monocot root is the presence of (a) vasculature without cambium (b) cambium sandwiched between phloem and xylem along the radius (c) open vascular bundles (d) scattered vascular bundles

Description : A major characteristic of monocot root is the presence of (a) vasculature without cambium (b) cambium sandwiched between phloem and xylem along the radius (c) open vascular bundles (d) scattered vascular bundles

Last Answer : (a) vasculature without cambium

A bicollateral vascular bundle is characterised by (a) phloem being sandwiched between xylem (b) transverse splitting of vascular bundle (c) longitudinal splitting of vascular bundle (d) xylem being sandwiched between phloem

Description : A bicollateral vascular bundle is characterised by (a) phloem being sandwiched between xylem (b) transverse splitting of vascular bundle (c) longitudinal splitting of vascular bundle (d) xylem being sandwiched between phloem

Last Answer : (d) xylem being sandwiched between phloem.

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

Vascular bundles in monocotyledons are considered closed because (a) there are no vessels with perforations (b) xylem is surrounded all around by phloem (c) a bundle sheath surrounds each bundle (d) cambium is absent.

Description : Vascular bundles in monocotyledons are considered closed because (a) there are no vessels with perforations (b) xylem is surrounded all around by phloem (c) a bundle sheath surrounds each bundle (d) cambium is absent.

Last Answer : (d) cambium is absent.

Cork cambium and vascular cambium are (a) parts of secondary xylem and phloem (b) parts of pericycle (c) lateral meristem (d) apical meristem.

Description : Cork cambium and vascular cambium are (a) parts of secondary xylem and phloem (b) parts of pericycle (c) lateral meristem (d) apical meristem.

Last Answer : (c) lateral meristem

Cork cambium and vascular cambium are (a) parts of secondary xylem and phloem (b) parts of pericycle (c) lateral meristem (d) apical meristem.

Description : Cork cambium and vascular cambium are (a) parts of secondary xylem and phloem (b) parts of pericycle (c) lateral meristem (d) apical meristem.

Last Answer : c) lateral meristem

The vascular cambium normally gives rise to : (1) Primary phloem (2) Secondary xylem (3) Periderm (4) Phelloderm

Description : The vascular cambium normally gives rise to : (1) Primary phloem (2) Secondary xylem (3) Periderm (4) Phelloderm

Last Answer : 2) Secondary xylem