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

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

Function of tracheids -Biology

Description : Function of tracheids -Biology

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Why are vessel elements better than tracheids? -Biology

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

Last Answer : answer:

Why are vessel elements better than tracheids? -Biology

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

Last Answer : answer:

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.

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.

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.

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

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.

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.

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

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.

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.

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

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

When transporting snowboards on a car roof rack do you face the boards up or down?

Description : When transporting snowboards on a car roof rack do you face the boards up or down?

Last Answer : It would likely be best to have the bottoms facing upwards if you’re placing them directly on the rack itself. We generally have them in a hard case that holds a few boards which is worth the investment should your boards decide to launch off the top of your car (sadly happened to us once).

Transporting and re-depositing soils, is done by (A) Water (B) Glacier (C) Gravity (D) All the above

Description : Transporting and re-depositing soils, is done by (A) Water (B) Glacier (C) Gravity (D) All the above

Last Answer : (D) All the above

Does anyone here have experience with transporting a dog across country?

Description : Does anyone here have experience with transporting a dog across country?

Last Answer : I do not but my suggestion is try contacting a local animal rescue. There may be someone who is willing to do this for you for a fee or donation. I have friends that do animal rescue for ... and they coordinate legs of trips to get animals from the southeast to the northeast and stuff like that.

Are the trains transporting oil etc., allowed to be left unattended in your area?

Description : Are the trains transporting oil etc., allowed to be left unattended in your area?

Last Answer : Watch starting from 1:45 or so.

Transporting a big batch of items from England to Australia.

Description : Transporting a big batch of items from England to Australia.

Last Answer : it used to be tea-chests! slowboat! but now just pack em all in a nice cardboard box and send em airfreight. It's really expensive but always has been and cheaper than the old days. It takes about 7- ... drop it off at the post, fill up a customs form and it's airfreighted like all the other mail.

Do you have experience of transporting a bulldog on a plane?

Description : Do you have experience of transporting a bulldog on a plane?

Last Answer : I don’t recommend airline transportation for pets under any avoidable circumstances, and certainly not for bulldogs. Not only does their airway restriction limit their breathing, it makes them poor thermoregulators. Heat stroke is a serious risk.

at the beginning of the nineteenth century, what was the primary means for transporting goods? -General Knowledge

Description : at the beginning of the nineteenth century, what was the primary means for transporting goods? -General Knowledge

Last Answer : At the beginning of the nineteenth century, Roads and River was the primary means for transporting goods.

What is the name of system responsible for transporting and delivering materials needed by the body's organs such as oxygen nutrients and hormones through the blood as it is pumped around the body by?

Description : What is the name of system responsible for transporting and delivering materials needed by the body's organs such as oxygen nutrients and hormones through the blood as it is pumped around the body by?

Last Answer : What is the answer ?

What size livestock trailers are best for transporting 4 head of cattle?

Description : What size livestock trailers are best for transporting 4 head of cattle?

Last Answer : You can buy a livestock trailer in a16' length which should be more than ample for 4 head of cattle. Take a look at http://www.fthr.com/gooseneck_livestock-trailer to see a selection of available livestock trailers.

What safety precautions are required when transporting oxygen concentrator equipment?

Description : What safety precautions are required when transporting oxygen concentrator equipment?

Last Answer : An oxygen concentrator takes oxygen from the air we all breathe and concentrates it. Unlike a tank of concentrated oxygen it has little risk of causing an explosion or a fire. In fact oxygen concentrators are the preferred system for rescue personell because there is far less danger to the operator.

What brand of trailers makes the best livestock trailers for my transporting my horses?

Description : What brand of trailers makes the best livestock trailers for my transporting my horses?

Last Answer : There are many different brands of trailers. However, the brand that is best for transporting horses is Exiss.

A semi-tractor trailer is pulling a trailer transporting Hazard Class/Division 1.3. The tractor will carry no explosives. Which statement is the most correct?

Description : A semi-tractor trailer is pulling a trailer transporting Hazard Class/Division 1.3. The tractor will carry no explosives. Which statement is the most correct?

Last Answer : The Explosives 1.3 placard may be placed on either the front of the tractor or the front of the trailer

For transporting large quantities of crude oil on land, over long distances the moat economical mode is (a) by pipelines (b) by rail tankers (c) by road tankers (d) by river barges

Description : For transporting large quantities of crude oil on land, over long distances the moat economical mode is (a) by pipelines (b) by rail tankers (c) by road tankers (d) by river barges

Last Answer : Ans: (a)

The Golgi complex (A) Synthesizes proteins (B) Produces ATP (C) Provides a pathway for transporting chemicals (D) Forms glycoproteins

Description : The Golgi complex (A) Synthesizes proteins (B) Produces ATP (C) Provides a pathway for transporting chemicals (D) Forms glycoproteins

Last Answer : D

For transporting pasty material, one will use a/an (A) Apron conveyor (B) Belt conveyor (C) Screw conveyor (D) Bucket elevator

Description : For transporting pasty material, one will use a/an (A) Apron conveyor (B) Belt conveyor (C) Screw conveyor (D) Bucket elevator

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Mobile Commerce is best described as– (A) The useof Kiosks in marketing (B) Transporting products (C) Buyingand selling goods/services through wirelesshandhelddevices (D) Using notebook PC's in marketing (E) None of the above

Description : Mobile Commerce is best described as– (A) The useof Kiosks in marketing (B) Transporting products (C) Buyingand selling goods/services through wirelesshandhelddevices (D) Using notebook PC's in marketing (E) None of the above

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. A special type of liquid transporting device is the diffuser pump, in which __________ are minimised. (A) Bearing losses (B) Disk friction (C) Shock losses (D) Cavitation

Description : . A special type of liquid transporting device is the diffuser pump, in which __________ are minimised. (A) Bearing losses (B) Disk friction (C) Shock losses (D) Cavitation

Last Answer : (C) Shock losses

The soils that that lies on the site of their formation, without transporting, just above their parent rock are called? a. Parasitic soil b. Docile Soil c. Sedentary soil d. Metamorphosis soil

Description : The soils that that lies on the site of their formation, without transporting, just above their parent rock are called? a. Parasitic soil b. Docile Soil c. Sedentary soil d. Metamorphosis soil

Last Answer : c. Sedentary soil

The soils that that lies on the site of their formation, without transporting, just above their parent rock are called? a. Parasitic soil b. Docile Soil c. Sedentary soil d. Metamorphosis soil

Description : The soils that that lies on the site of their formation, without transporting, just above their parent rock are called? a. Parasitic soil b. Docile Soil c. Sedentary soil d. Metamorphosis soil

Last Answer : c. Sedentary soil

The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than (A) 30 minutes (B) 40 minutes (C) 60 minutes (D) 90 minutes

Description : The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than (A) 30 minutes (B) 40 minutes (C) 60 minutes (D) 90 minutes

Last Answer : Answer: Option A

tractor us used for major operation such as ploughing, harrowing, sowing, harvesting and transporting work. A. Row crop Tractor C. Special purpose tractor B. Crawler tractor D. General purpose tractor

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The process of mixing, transporting, placing and compacting the cement, concrete should not take more than. (a) 30 minutes (b) 60minutes (c) 90 minutes (d) 120mm

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Last Answer : (a) 30 minutes

Transporting and storing goods is part of which of the following marketing channel functions? A. negotiation B. physical distribution C. contact D. matching

Description : Transporting and storing goods is part of which of the following marketing channel functions? A. negotiation B. physical distribution C. contact D. matching

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What type of discount is given to a purchaser for performing activities such as transporting, storing, and selling? A)Quantity discount B)Cash discount C)Geographic discount D)Service discount E)Trade discount

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Last Answer : E)Trade discount

Which of the following modes of transportation is most likely to be used for transporting emergency parts? A)Motor vehicles B)Railroads C)Inland waterways D)Airways E)Pipelines

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Coding and decoding, and transporting the data is performed by

Description : Coding and decoding, and transporting the data is performed by  A) XML and UDDI respectively B) XML and SOAP respectively C) HTML and HTTP respectively D) HTML and SOAP respectively

Last Answer : D