Name the four types of xylem cells. OR what is xylem composed of?

Name the four types of xylem cells. OR what is xylem composed of?
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Xylem tissue is composed of:a) xylem parenchyma b) xylem fibres c) xylem vessels and d) tracheids.
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$ Xylem condition in roots is exarch ! Xylem has four different types of cells.

Description : $ Xylem condition in roots is exarch ! Xylem has four different types of cells.

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Which one of the following statements about Cycas is incorrect? (a) It has circinate vernation. (b) Its xylem is mainly composed of xylem vessel. (c) Its roots contain some blue-green algae. (d) It does not have a well organized female flower.

Description : Which one of the following statements about Cycas is incorrect? (a) It has circinate vernation. (b) Its xylem is mainly composed of xylem vessel. (c) Its roots contain some blue-green algae. (d) It does not have a well organized female flower.

Last Answer : (b) Its xylem is mainly composed of xylem vessel.

Which tissue is responsible for the passage of water in plants? (a) Sclerenchyma (b) Xylem (c) Phloem (d) Collenchynatous cells

Description : Which tissue is responsible for the passage of water in plants? (a) Sclerenchyma (b) Xylem (c) Phloem (d) Collenchynatous cells

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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.

Xylem fibres are made up of – (1) Scierenchyma cells with thin walls (2) Scierenchyma cells with thick walls (3) Parenchyma cells with thin walls (4) Scierenchyma cells with no obliteration in central lumen

Description : Xylem fibres are made up of – (1) Scierenchyma cells with thin walls (2) Scierenchyma cells with thick walls (3) Parenchyma cells with thin walls (4) Scierenchyma cells with no obliteration in central lumen

Last Answer : (2) Scierenchyma cells with thick walls Explanation: Fibre that occurs as element of Xylem is called Xylem fibre. It is also referred to as Xylary fibre and wood fibre. It is made up of Scierenchyma cells with thick walls.

The opening and closing of the stomatal pores is a function of the - (1) Guard cells (2) Chloroplast (3) Xylem (4) Phloem

Description : The opening and closing of the stomatal pores is a function of the - (1) Guard cells (2) Chloroplast (3) Xylem (4) Phloem

Last Answer : (1) Guard cells Explanation: The opening and closing of the pores is a function of the guard cells. They swell when water flows into them, causing the stomatal pore to open and likewise, the pore closes if the guard cells shrink.

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

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Interfascicular cambium develops from the cells of (a) endodermis (b) pericycle (c) medullary rays (d) xylem parenchyma.

Description : Interfascicular cambium develops from the cells of (a) endodermis (b) pericycle (c) medullary rays (d) xylem parenchyma.

Last Answer : (c) medullary rays

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

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Last Answer : (b) Phellem

You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two? (a) Secondary xylem (b) Secondary phloem (c) Protoxylem (d) Cortical cells

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Last Answer : (c) Protoxylem

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

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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 is made up of dead cells? (1) Collenchyma (2) Phellem (3) Phloem (4) Xylem parenchyma

Description : Which of the following is made up of dead cells? (1) Collenchyma (2) Phellem (3) Phloem (4) Xylem parenchyma

Last Answer : (2) Phellem

2. How many types of elements together make up the xylem tissue? Name them. -Science

Description : 2. How many types of elements together make up the xylem tissue? Name them. -Science

Last Answer : The xylem tissue is made up of four main elements, namely: ➢ Vessels ➢ Tracheids ➢ Xylem fibres ➢ Xylem parenchyma

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The tissue that is involved in the transport of food material in plants is called: (a) parenchyma (b) phloem (c) sclerenchyma (d) xylem

Description : The tissue that is involved in the transport of food material in plants is called: (a) parenchyma (b) phloem (c) sclerenchyma (d) xylem

Last Answer : Ans:(b)

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

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Mention the differences between xylem and phloem.

Description : Mention the differences between xylem and phloem.

Last Answer : Xylem 1) It conducts water and minerals from roots to other parts of the plant body Phloem 1) It transports food from leaves to other regions.

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.

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

What is xylem?

Description : What is xylem?

Last Answer : Xylem is a vascular tissue which transports water and mineral absorbed by the roots to all the parts of the plant.

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

Last Answer : answer:

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

Last Answer : answer:

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

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

Last Answer : answer: