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.

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.
by

1 Answer

Answer :

(d) cambium is absent.
by

Related questions

The transverse section of a plant shows following anatomical features : (i) Large number of scattered vascular bundles surrounded by bundle sheath (ii) Large conspicuous parenchymatous ground tissue (iii)vascular bundles conjoint and closed (iv) phloem parenchyma absent Identify the category of plant and its part. (a) Monocotyledonous stem (b) Monocotyledonous root (c) Dicotyledonous stem (d) Dicotyledonous root

Description : The transverse section of a plant shows following anatomical features : (i) Large number of scattered vascular bundles surrounded by bundle sheath (ii) Large conspicuous parenchymatous ground ... (a) Monocotyledonous stem (b) Monocotyledonous root (c) Dicotyledonous stem (d) Dicotyledonous root

Last Answer : (a) Monocotyledonous stem

When in plant leaves, chloroplast containing bundle sheath cells surrounds vascular bundles in several layers that anatomy is known as

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Last Answer : When in plant leaves, chloroplast containing bundle sheath cells surrounds vascular bundles in several layers that anatomy is known as

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

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

In the dicot root the vascular cambium originates from (a) tissue located below the phloem bundles and a portion of pericycle tissue above protoxylem (b) cortical region (c) parenchyma between endodermis and pericycle (d) intrafascicular and interfascicular tissue in a ring.

Description : In the dicot root the vascular cambium originates from (a) tissue located below the phloem bundles and a portion of pericycle tissue above protoxylem (b) cortical region (c) parenchyma between endodermis and pericycle (d) intrafascicular and interfascicular tissue in a ring.

Last Answer : (a) tissue located below the phloem bundles and a portion of pericycle tissue above protoxylem

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.

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

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

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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.

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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

Secondary xylem and phloem in dicot stem are produced by (1) Apical meristems (2) Vascular cambium (3) Phellogen (4) Axillary meristems

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

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Last Answer : ANSWER: B -- XYLEM

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

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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.

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

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$ Secondary growth occurs in those plants which have closed vascular bundles. ! Cork is produced by intrafascicular cambium.

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Closed vascular bundles lack (a) ground tissue (b) conjunctive tissue (c) cambium (d) pith.

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82. Closed vascular bundles lack (1) Pith (2) Ground tissue (3) Conjunctive tissue (4) Cambium

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Bundles of striated muscle fibres called fasciculi are surrounded by a sheath called :-

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In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of (a) bundle sheath (b) phloem (c) epidermis (d) mesophyll.

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Water in plants is transported by - (1) cambium (2) phloem (3) epidermis (4) xylem

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When many islands of phloem embedded in xylem layer due to anomalous activity of cambium are formed such phloems are known as

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Ascent of sap in plants takes place through (1) Pith (2) Phloem (3) Cambium (4) Xylem

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Water in plants is trans-ported by (1) cambium (2) phloem (3) epidermis (4) xylem

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The xylem and phloem elements in the plant are surrounded by a layer of living cells called (a) Casparian strips (b) Pericycle (c) Stele(d) Endodermis

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A narrow layer of thin walled cells found between phloem/bark and wood of a dicot is (a) cork cambium (b) vascular cambium (c) endodermis (d) pericycle.

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The common bottle cork is a product of (a) dermatogen (b) phellogen (c) xylem (d) vascular cambium.

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The common bottle cork is a product of (1) Vascular Cambium (2) Dermatogen (3) Phellogen (4) Xylem

Description : The common bottle cork is a product of (1) Vascular Cambium (2) Dermatogen (3) Phellogen (4) Xylem

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: 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 are called vascular or conducting tissues?

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

In which plants vascular bundles are closed? -Biology

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Last Answer : answer:

Which one of the following organisms is correctly matched with its three characteristics? (a) Pea: C3 pathway, endospermic seed, vexillary aestivation (b) Tomato: twisted aestivation, axile placentation, berry (c) Onion: bulb, imbricate aestivation, axile placentation (d) Maize: C3 pathway, closed vascular bundles, scutellum

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In barley stem vascular bundles are (a) closed and scattered (b) open and in a ring (c) closed and radial (d) open and scattered.

Description : In barley stem vascular bundles are (a) closed and scattered (b) open and in a ring (c) closed and radial (d) open and scattered.

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Difference between a closed and an open vascular bundle? -Biology

Description : Difference between a closed and an open vascular bundle? -Biology

Last Answer : answer:

In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used (A) In low range of temperature differences (B) In high range of temperature differences (C) Because of its low cost (D) To prevent corrosion of the tube bundles

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Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because (a) effective pumping of CO2 into bundle sheath cells (b) RuBisCO in C4 plants has higher affinity for CO2 (c) four carbon acids are the primary initial CO2 fixation products (d) the primary fixation of CO2 is mediated via PEP carboxylase. (2005) 65. In sugarcane plant

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Last Answer : (d) the primary fixation of CO2 is mediated via PEP carboxylase.

In kranz anatomy, the bundle sheath cells have (a) thin walls, many intercellular spaces and no chloroplasts (b) thick walls, no intercellular spaces and large number of chloroplasts(c) thin walls, no intercellular spaces and several chloroplasts (d) thick walls, many intercellular spaces and few chloroplasts

Description : In kranz anatomy, the bundle sheath cells have (a) thin walls, many intercellular spaces and no chloroplasts (b) thick walls, no intercellular spaces and large number of chloroplasts ... intercellular spaces and several chloroplasts (d) thick walls, many intercellular spaces and few chloroplasts

Last Answer : (b) thick walls, no intercellular spaces and large number of chloroplasts

A dicot root shows (a) Large pith (b) Reduced or no pith (c) Endarch xylem (d) Conjoint bundles

Description : A dicot root shows (a) Large pith (b) Reduced or no pith (c) Endarch xylem (d) Conjoint bundles

Last Answer : Ans:(b)

The pyrenoids are made up of (a) proteinaceous centre and starchy sheath (b) core of nucleic acid surrounded by protein sheath (c) core of protein surrounded by fatty sheath (d) core of starch surrounded by sheath of protein.

Description : The pyrenoids are made up of (a) proteinaceous centre and starchy sheath (b) core of nucleic acid surrounded by protein sheath (c) core of protein surrounded by fatty sheath (d) core of starch surrounded by sheath of protein.

Last Answer : a) proteinaceous centre and starchy sheath

Assertion :In `C_(4)` plants, the chloroplasts of bundle sheath cells are granal. Reason: PS II is mostly found in the appressed part of granum.

Description : Assertion :In `C_(4)` plants, the chloroplasts of bundle sheath cells are granal. Reason: PS II is mostly found in the appressed part of granum.

Last Answer : Assertion :In `C_(4)` plants, the chloroplasts of bundle sheath cells are granal. Reason: PS II ... false. D. If both Assertion and Reason are false.

In `C_(4)` plants , mesophyll cells and bundle sheath cells are specialized to perform, respectively,

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Write the characteristics of bundle sheath cells of `C_(4)` plants

Description : Write the characteristics of bundle sheath cells of `C_(4)` plants

Last Answer : Write the characteristics of bundle sheath cells of `C_(4)` plants