Why are vessel elements better than tracheids? -Biology

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Why are vessel elements better than tracheids? -Biology

asked Feb 2, 2022 by anonymous

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answered Feb 2, 2022 by anonymous

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Why are vessel elements better than tracheids? -Biology

Description : Why are vessel elements better than tracheids? -Biology

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The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of (a) weak gravitational pull (b) transpiration pull (c) lignified thick walls (d) cohesion and adhesion

Description : The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of (a) weak gravitational pull (b) transpiration pull (c) lignified thick walls (d) cohesion and adhesion

Last Answer : (d) cohesion and adhesion.

Transport of food material in higher plants takes place through (a) companion cells (b) transfusion tissue (c) tracheids (d) sieve elements.

Description : Transport of food material in higher plants takes place through (a) companion cells (b) transfusion tissue (c) tracheids (d) sieve elements.

Last Answer : (d) sieve elements.

The chief water conducting elements of xylem in gymnosperms are (a) vessels (b) fibres (c) transfusion tissue (d) tracheids.

Description : The chief water conducting elements of xylem in gymnosperms are (a) vessels (b) fibres (c) transfusion tissue (d) tracheids.

Last Answer : (d) tracheids.

Tracheids differ from other tracheary elements in (a) having Casparian strips (b) being imperforate (c) lacking nucleus (d) being lignified.

Description : Tracheids differ from other tracheary elements in (a) having Casparian strips (b) being imperforate (c) lacking nucleus (d) being lignified.

Last Answer : (b) being imperforate

Transport of food material in higher plants takes place through (a) companion cells (b) transfusion tissue (c) tracheids (d) sieve elements.

Description : Transport of food material in higher plants takes place through (a) companion cells (b) transfusion tissue (c) tracheids (d) sieve elements.

Last Answer : d) sieve elements.

The chief water conducting elements of xylem in gymnosperms are (a) vessels (b) fibres (c) transfusion tissue (d) tracheids

Description : The chief water conducting elements of xylem in gymnosperms are (a) vessels (b) fibres (c) transfusion tissue (d) tracheids

Last Answer : d) tracheids.

Tracheids differ from other tracheary elements in (a) having Casparian strips (b) being imperforate (c) lacking nucleus (d) being lignified

Description : Tracheids differ from other tracheary elements in (a) having Casparian strips (b) being imperforate (c) lacking nucleus (d) being lignified

Last Answer : (b) being imperforate

Function of tracheids -Biology

Description : Function of tracheids -Biology

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Why are tracheids not efficient in transporting water up the plant? -Biology

Description : Why are tracheids not efficient in transporting water up the plant? -Biology

Last Answer : answer:

Why are tracheids not efficient in transporting water up the plant? -Biology

Description : Why are tracheids not efficient in transporting water up the plant? -Biology

Last Answer : answer:

Why tracheids are less efficient than vessels in conduction

Description : Why tracheids are less efficient than vessels in conduction

Last Answer : Ans: Tracheids do not have uniform diameter, overlapped on each other at the ends and have solid cross walls. Vessels have uniform diameter, perforated cross walls and their elements are not overlapped but arranged one above the other.

Characteristics of vessel elements? -Biology

Description : Characteristics of vessel elements? -Biology

Last Answer : answer:

Characteristics of vessel elements? -Biology

Description : Characteristics of vessel elements? -Biology

Last Answer : answer:

What are tracheids?

Description : What are tracheids?

Last Answer : Need answer

Tyloses are: (a) Lactiferous channels (b) Secretory cells (c) Sieve plates (d) Tracheal plugs plugging the lumen of vessels and tracheids

Description : Tyloses are: (a) Lactiferous channels (b) Secretory cells (c) Sieve plates (d) Tracheal plugs plugging the lumen of vessels and tracheids

Last Answer : Ans. ((d))

What are xylem vessels and tracheids?

Description : What are xylem vessels and tracheids?

Last Answer : Xylem vessels consist of series of elongated dead cells joined together forming end to end tube like structure for conduction of water and salts

An organised and differentiated cellular structure having cytoplasm but no nucleus is (a) vessels (b) xylem parenchyma (c) sieve tubes (d) tracheids.

Description : An organised and differentiated cellular structure having cytoplasm but no nucleus is (a) vessels (b) xylem parenchyma (c) sieve tubes (d) tracheids.

Last Answer : (c) sieve tubes

Which of the following statements is true? (a) Vessels are multicellular with wide lumen. (b) Tracheids are multicellular with narrow lumen. (c) Vessels are unicellular with narrow lumen. (d) Tracheids are unicellular with wide lumen.

Description : Which of the following statements is true? (a) Vessels are multicellular with wide lumen. (b) Tracheids are multicellular with narrow lumen. (c) Vessels are unicellular with narrow lumen. (d) Tracheids are unicellular with wide lumen.

Last Answer : (a) Vessels are multicellular with wide lumen

Gymnosperms are also called soft wood spermatophytes because they lack (a) cambium (b) phloem fibres (c) thick-walled tracheids(d) xylem fibres

Description : Gymnosperms are also called soft wood spermatophytes because they lack (a) cambium (b) phloem fibres (c) thick-walled tracheids(d) xylem fibres

Last Answer : (d) xylem fibres.

An organised and differentiated cellular structure having cytoplasm but no nucleus is (a) vessels (b) xylem parenchyma (c) sieve tubes (d) tracheids.

Description : An organised and differentiated cellular structure having cytoplasm but no nucleus is (a) vessels (b) xylem parenchyma (c) sieve tubes (d) tracheids.

Last Answer : (c) sieve tubes

Which of the following statements is true? (a) Vessels are multicellular with wide lumen. (b) Tracheids are multicellular with narrow lumen. (c) Vessels are unicellular with narrow lumen. (d) Tracheids are unicellular with wide lumen.

Description : Which of the following statements is true? (a) Vessels are multicellular with wide lumen. (b) Tracheids are multicellular with narrow lumen. (c) Vessels are unicellular with narrow lumen. (d) Tracheids are unicellular with wide lumen.

Last Answer : (a) Vessels are multicellular with wide lumen.

Conifers differ from grasses in the (a) formation of endosperm before fertilization (b) production of seeds from ovules (c) lack of xylem tracheids (d) absence of pollen tubes.

Description : Conifers differ from grasses in the (a) formation of endosperm before fertilization (b) production of seeds from ovules (c) lack of xylem tracheids (d) absence of pollen tubes.

Last Answer : (a) formation of endosperm before fertilization

Gymnosperms are also called soft wood spermatophytes because they lack (1) Xylem fibres (2) Cambium (3) Phloem fibres (4) Thick-walled tracheids

Description : Gymnosperms are also called soft wood spermatophytes because they lack (1) Xylem fibres (2) Cambium (3) Phloem fibres (4) Thick-walled tracheids

Last Answer : (4) Thick-walled tracheids

Answer: Vessel elements.

Description : Answer: Vessel elements.

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The principal pathway of water translocation in angiosperms is (a) sieve cells (b) sieve tube elements (c) xylem vessel system (d) xylem and phloem

Description : The principal pathway of water translocation in angiosperms is (a) sieve cells (b) sieve tube elements (c) xylem vessel system (d) xylem and phloem

Last Answer : a) sieve cells

A common structural feature of vessel elements and sieve tube elements is (a) enucleate condition (b) thick secondary walls (c) pores on lateral walls (d) presence of P-protein

Description : A common structural feature of vessel elements and sieve tube elements is (a) enucleate condition (b) thick secondary walls (c) pores on lateral walls (d) presence of P-protein

Last Answer : (a) enucleate condition

Companion cells are closely associated with (a) sieve elements (b) vessel elements (c) trichomes (d) guard cells.

Description : Companion cells are closely associated with (a) sieve elements (b) vessel elements (c) trichomes (d) guard cells.

Last Answer : a) sieve elements

A common structural feature of vessel elements and sieve tube elements is (a) enucleate condition (b) thick secondary walls (c) pores on lateral walls (d) presence of P-protein.

Description : A common structural feature of vessel elements and sieve tube elements is (a) enucleate condition (b) thick secondary walls (c) pores on lateral walls (d) presence of P-protein.

Last Answer : (a) enucleate condition

Companion cells are closely associated with (a) sieve elements (b) vessel elements (c) trichomes (d) guard cells.

Description : Companion cells are closely associated with (a) sieve elements (b) vessel elements (c) trichomes (d) guard cells.

Last Answer : (a) sieve elements

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms. (a) Perianth and two integuments (b) Embryo development and apical meristem (c) Absence of resin duct and leaf venation (d) Presence of vessel elements and absence of archegonia

Description : Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms. (a) Perianth and two integuments (b) Embryo development and ... of resin duct and leaf venation (d) Presence of vessel elements and absence of archegonia

Last Answer : (d) Presence of vessel elements and absence of archegonia

Companion cells are closely associated with (1) Guard cells (2) Sieve elements (3) Vessel elements (4) Trichomes

Description : Companion cells are closely associated with (1) Guard cells (2) Sieve elements (3) Vessel elements (4) Trichomes

Last Answer : (2) Sieve elements

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What is a vessel element? -Biology

Description : What is a vessel element? -Biology

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What is the function of a vessel element? -Biology

Description : What is the function of a vessel element? -Biology