What factors determine the ascent of xylem sap in a plant? -Biology

What factors determine the ascent of xylem sap in a plant? -Biology
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Cohesion and adhesion in the ascent of xylem sap. -Biology

Description : Cohesion and adhesion in the ascent of xylem sap. -Biology

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

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

Last Answer : (4) Xylem Explanation: The ascent of sap in the xylem tissue of plants is the upward movement of water from the root to the crown. Xylem is a complex tissue consisting of living and ... cells in xylem are typically nonliving and include, in various groups of plants, vessels members and tracheids.

The balloon-shaped structures called tyloses (a) originate in the lumen of vessels (b) characterise the sapwood (c) are extensions of xylem parenchyma cells into vessels (d) are linked to the ascent of sap through xylem vessels.

Description : The balloon-shaped structures called tyloses (a) originate in the lumen of vessels (b) characterise the sapwood (c) are extensions of xylem parenchyma cells into vessels (d) are linked to the ascent of sap through xylem vessels.

Last Answer : (c) are extensions of xylem parenchyma cells into vessels

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

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

Last Answer : Xylem

Cohesion-tension theory of sap ascent -Biology

Description : Cohesion-tension theory of sap ascent -Biology

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By whom was the most accepted theory for ascent of sap was given? -Do You Know?

Description : By whom was the most accepted theory for ascent of sap was given? -Do You Know?

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Which one increases in the absence of light? (a) Uptake of minerals (b) Uptake of water (c) Elongation of internodes (d) Ascent of sap

Description : Which one increases in the absence of light? (a) Uptake of minerals (b) Uptake of water (c) Elongation of internodes (d) Ascent of sap

Last Answer : (c) Elongation of internodes

The most widely accepted theory for ascent of sap in trees is (a) capillarity (b) role of atmospheric pressure (c) pulsating action of living cell (d) transpiration pull and cohesion theory of Dixon and Jolly.

Description : The most widely accepted theory for ascent of sap in trees is (a) capillarity (b) role of atmospheric pressure (c) pulsating action of living cell (d) transpiration pull and cohesion theory of Dixon and Jolly.

Last Answer : (d) transpiration pull and cohesion theory of Dixon and Jolly.

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.

Who'll help me celebrate Darwin's ascent to the 10k heights?

Description : Who'll help me celebrate Darwin's ascent to the 10k heights?

Last Answer : Congrats Darwin!

A house has 6 stories, each the same height. How many times as long is the ascent to the sixth floor as the ascent to the third? -Riddles

Description : A house has 6 stories, each the same height. How many times as long is the ascent to the sixth floor as the ascent to the third? -Riddles

Last Answer : 2 1/2 times (5/2, not 6/3).

What causes cell juice ascent ?

Description : What causes cell juice ascent ?

Last Answer : Cell sap ascending occurs through vessels.

What is the English version of cell ascent ?

Description : What is the English version of cell ascent ?

Last Answer : English Ascent of sap.

A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an inversion is reported at 300 feet with turbulence and wind shear. The wind just above the inversion is 090/30. What is the safest departure procedure? a. Take-off is not possible under these conditions b. Depart on runway 09 with a tailwind c. Depart runway 27 with maximum throttle during the passage through the inversion d. Depart runway 27 with as steep an ascent as possible

Description : A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an  inversion is reported at 300 feet with turbulence and wind shear. The wind just above the  ... throttle during the passage through the inversion  d. Depart runway 27 with as steep an ascent as possible

Last Answer : b. Depart on runway 09 with a tailwind

When would the negative differential limits be reached/exceeded? a. Rapid descent when AC descends below cabin altitude b. During ground pressure testing c. Rapid ascent when aircraft climbs d. When changing to manual operation

Description : When would the negative differential limits be reached/exceeded? a. Rapid descent when AC descends below cabin altitude b. During ground pressure testing c. Rapid ascent when aircraft climbs d. When changing to manual operation

Last Answer : a. Rapid descent when AC descends below cabin altitude

A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an inversion is reported at 300 feet with turbulence and wind shear. The wind just above the inversion is 090/30. What is the safest departure procedure? a. Take-off is not possible under these conditions b. Depart on runway 09 with a tailwind c. Depart runway 27 with maximum throttle during the passage through the inversion d. Depart runway 27 with as steep an ascent as possible

Description : A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an inversion is reported at 300 feet with turbulence and wind shear. The wind just above the ... throttle during the passage through the inversion d. Depart runway 27 with as steep an ascent as possible

Last Answer : b. Depart on runway 09 with a tailwind

When would the negative differential limits be reached/exceeded? a. Rapid descent when AC descends below cabin altitude b. During ground pressure testing c. Rapid ascent when aircraft climbs d. When changing to manual operation

Description : When would the negative differential limits be reached/exceeded? a. Rapid descent when AC descends below cabin altitude b. During ground pressure testing c. Rapid ascent when aircraft climbs d. When changing to manual operation

Last Answer : a. Rapid descent when AC descends below cabin altitude

Where is endarch xylem present in a plant body? -Biology

Description : Where is endarch xylem present in a plant body? -Biology

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What is the role of xylem in a vascular plant? -Biology

Description : What is the role of xylem in a vascular plant? -Biology

Last Answer : Xylem, plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support. ... The large holes are wide vessel members, which serve as major water-conducting cells for the tree.

What is the role of xylem in a vascular plant? -Biology

Description : What is the role of xylem in a vascular plant? -Biology

Last Answer : Xylem, plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support.The large holes are wide vessel members, which serve as major water-conducting cells for the tree.

A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicates that it is phloem sap? (a) Acidic (b) Alkaline (c) Low refractive index (d) Absence of sugar

Description : A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicates that it is phloem sap? (a) Acidic (b) Alkaline (c) Low refractive index (d) Absence of sugar

Last Answer : (b) Alkaline

Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the (A) Osmotic pressure of the soil water becomes less than that of the plant sap (B) Soil becomes too alkaline (C) Osmotic pressure of the soil water becomes higher than that of the plant sap (D) Soil becomes too acidic

Description : Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the (A) Osmotic pressure of the soil water becomes less than that of the plant sap (B) Soil ... pressure of the soil water becomes higher than that of the plant sap (D) Soil becomes too acidic

Last Answer : (C) Osmotic pressure of the soil water becomes higher than that of the plant sa

An animal which consumes plant and animal matter i called: a) a carnivore b) a saprophytic (pron: sap-roe-fit-ick) c) an omnivore d) an herbivore

Description : An animal which consumes plant and animal matter i called: a) a carnivore b) a saprophytic (pron: sap-roe-fit-ick) c) an omnivore d) an herbivore

Last Answer : ANSWER: C -- AN OMNIVORE

What does phloem sap contain? -Biology

Description : What does phloem sap contain? -Biology

Last Answer : answer:

How many types of plant xylem ?

Description : How many types of plant xylem ?

Last Answer : 3 types of cruel plants .

What Organ in a plant where you find root hair tissue and xylem tissue?

Description : What Organ in a plant where you find root hair tissue and xylem tissue?

Last Answer : Need answer

The only living tissue in plant xylem is (1) Trachea (2) Xylem fibre (3) Xylem parenchyma (4) Tracheid

Description : The only living tissue in plant xylem is (1) Trachea (2) Xylem fibre (3) Xylem parenchyma (4) Tracheid

Last Answer : (3) Xylem parenchyma Explanation: Xylem parenchyma is the only living component found in xylem tissue. They are living cells associated with the xylem that are found in between the vessels ... is a complex permanent tissue specialized for the conduction of water and mineral substances in plants.

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.

In a plant, the xylem tissue conducts - (1) water (2) food (3) water and food (4) None of these

Description : In a plant, the xylem tissue conducts - (1) water (2) food (3) water and food (4) None of these

Last Answer : (1) water Explanation: Xylem is of a plant's vascular system that conveys water and dissolved minerals from the roots to the rest of the plant and furnishes mechanical support. It ... of specialized water-conducting tissues made up mostly of several types of narrow, elongate, hollow cells.

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

Description : 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

Last Answer : (b) Pericycle

Highest auxin concentration occurs (a) in growing tips (b) in leaves (c) at base of plant organs (d) in xylem and phloem

Description : Highest auxin concentration occurs (a) in growing tips (b) in leaves (c) at base of plant organs (d) in xylem and phloem

Last Answer : (a) in growing tips

Which of the following plant cells will show totipotency? (a) Sieve tubes (b) Xylem vessels (c) Meristem (d) Cork cells

Description : Which of the following plant cells will show totipotency? (a) Sieve tubes (b) Xylem vessels (c) Meristem (d) Cork cells

Last Answer : (c) Meristem

Which of the following plant cells will show totipotency? (a) Sieve tubes (b) Xylem vessels (c) Meristem (d) Cork cells

Description : Which of the following plant cells will show totipotency? (a) Sieve tubes (b) Xylem vessels (c) Meristem (d) Cork cells

Last Answer : (c) Meristem

The only living tissue in plant xylem is (1) Trachea (2) Xylem fibre (3) Xylem parenchyma (4) Tracheid

Description : The only living tissue in plant xylem is (1) Trachea (2) Xylem fibre (3) Xylem parenchyma (4) Tracheid

Last Answer : Xylem parenchyma

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

In a plant, the xylem tissue conducts : (1) water (2) food (3) water and food (4) None of these

Description : In a plant, the xylem tissue conducts : (1) water (2) food (3) water and food (4) None of these 

Last Answer : water

What are the differences between the transport of materials in xylem and phloem ? -Biology

Description : What are the differences between the transport of materials in xylem and phloem ? -Biology

Last Answer : Xylem Phloem 1. Xylem conducts water and dissolved minerals from roots to leaves and other parts. 1. Phloem conducts prepared food material from leaves to other parts of plant in dissolved ... increases the osmotic pressure that moves the material in the phloem to tissues which have less pressure

The xylem in plants are responsible for (i) transport of water (ii) transport of food (iii) transport of amino acids (iv) transport of oxygen -Biology

Description : The xylem in plants are responsible for (i) transport of water (ii) transport of food (iii) transport of amino acids (iv) transport of oxygen -Biology

Last Answer : The xylem in the plants is responsible for - i) transport of water. The Xylem vessel is a transport tissue present in vascular plants. The main function of xylem is to transport water from the roots to the shoots and leaves, but it also transports nutrient from one place to another.

Name the element(s) of xylem which (i) help in transport of water and minerals, (ii) stores food, and (iii) provides mechanical support -Biology 9th

Description : Name the element(s) of xylem which (i) help in transport of water and minerals, (ii) stores food, and (iii) provides mechanical support -Biology 9th

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Who introduced the term xylem? -Biology

Description : Who introduced the term xylem? -Biology

Last Answer : The word "xylem" is derived from the Greek word ξύλον (xylon), meaning "wood"; the best-known xylem tissue is wood, though it is found throughout a plant. The term was introduced by Carl Nägeli in 1858.

Name a living cell in xylem. -Biology

Description : Name a living cell in xylem. -Biology

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Definition of exarch xylem. -Biology

Description : Definition of exarch xylem. -Biology

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What is an endarch xylem? -Biology

Description : What is an endarch xylem? -Biology

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What is the function of xylem fibres. -Biology

Description : What is the function of xylem fibres. -Biology

Last Answer : The xylem is the vascular tissue responsible for the upward conduction of water and nutrients from the roots. The xylem tissue moves water and nutrients to various parts of the plant such as shoots and leaves. Its major components include xylem parenchyma, xylem fibers, tracheids, and xylem vessels

Xylem parenchyma cells -Biology

Description : Xylem parenchyma cells -Biology

Last Answer : Xylem parenchyma is an element of complex tissue called “Xylem”. Parenchyma cells of xylem are mainly involved in the storage of carbohydrate, fats and water conduction. Plant tissues can be categorised based on their structure and functions performed.

Xylem parenchyma cells function -Biology

Description : Xylem parenchyma cells function -Biology

Last Answer : Xylem parenchyma is an element of complex tissue called “Xylem”. Parenchyma cells of xylem are mainly involved in the storage of carbohydrate, fats and water conduction. Plant tissues can be categorised based on their structure and functions performed.

Endarch xylem differentiation -Biology

Description : Endarch xylem differentiation -Biology

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Exarch xylem differentiation. -Biology

Description : Exarch xylem differentiation. -Biology

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Why is xylem considered as complex permanent tissue. -Biology

Description : Why is xylem considered as complex permanent tissue. -Biology

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Why is xylem considered a vascular tissue? -Biology

Description : Why is xylem considered a vascular tissue? -Biology

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