How can lignin be deposited in the inner walls of xylem vessel?

How can lignin be deposited in the inner walls of xylem vessel?
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Thickness and toughness of plant walls are increased by deposition within the original cellulose wall, of a substance known as lignin. The process of deposition is called: a) Sclerenchymacia b) Lignification c) Scleridia

Description : Thickness and toughness of plant walls are increased by deposition within the original cellulose wall, of a substance known as lignin. The process of deposition is called: a) Sclerenchymacia b) Lignification c) Scleridia

Last Answer : ANSWER: B -- LIGNIFICATION

In electro-refining, the pure metal is deposited on – (1) vessel (2) electrolyte (3) cathode (4) anode

Description : In electro-refining, the pure metal is deposited on – (1) vessel (2) electrolyte (3) cathode (4) anode

Last Answer : (3) cathode Explanation: In electro-refining, the anodes consist of unrefined impure metal, and as the current passes through the acidic electrolyte the anodes are corroded into the solution so ... pure metal onto the cathodes. Electrolytic refining is used to extract impurities from crude metals.

In electro-refining, the pure metal is deposited on (1) vessel (2) electrolyte (3) cathode (4) anode

Description : In electro-refining, the pure metal is deposited on (1) vessel (2) electrolyte (3) cathode (4) anode

Last Answer : cathode

The waxy substance associated with cell walls of cork cells is or cork cells are imprevious to water becauce of the presence or what is deposited on c

Description : The waxy substance associated with cell walls of cork cells is or cork cells are imprevious to water becauce of the presence or what is deposited on c

Last Answer : The waxy substance associated with cell walls of cork cells is or cork cells are imprevious to water ... . Cutin B. Lignin C. suberin D. Chitin

Identify the wrong statement in context of heartwood. (a) It is highly durable. (b) It conducts water and minerals efficiently. (c) It comprises dead elements with highly lignified walls. (d) Organic compounds are deposited in it.

Description : Identify the wrong statement in context of heartwood. (a) It is highly durable. (b) It conducts water and minerals efficiently. (c) It comprises dead elements with highly lignified walls. (d) Organic compounds are deposited in it.

Last Answer : (b) It conducts water and minerals efficiently

Identify the wrong statement in context of heartwood: (1) It is highly durable (2) It conducts water and minerals efficiently (3) It comprises dead elements with highly lignified walls (4) Organic compounds are deposited in it

Description : Identify the wrong statement in context of heartwood: (1) It is highly durable (2) It conducts water and minerals efficiently (3) It comprises dead elements with highly lignified walls (4) Organic compounds are deposited in it

Last Answer : 2) It conducts water and minerals efficiently

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

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.

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.

A vessel is said to be thin if a. Its wall has less thickness b. Stresses are uniform over the entire thickness c. Stresses vary at inner and at outer radius d. None of the above

Description : A vessel is said to be thin if a. Its wall has less thickness b. Stresses are uniform over the entire thickness c. Stresses vary at inner and at outer radius d. None of the above

Last Answer : b. Stresses are uniform over the entire thickness

Which does not wet the walls of the glass vessel in which it is kept? -Do You Know?

Description : Which does not wet the walls of the glass vessel in which it is kept? -Do You Know?

Last Answer : answer:

Which does not wet the walls of the glass vessel in which it is kept?

Description : Which does not wet the walls of the glass vessel in which it is kept?

Last Answer : Mercury

Which does not wet the walls of the glass vessel in which it is kept?

Description : Which does not wet the walls of the glass vessel in which it is kept?

Last Answer : Mercury

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.

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

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

When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as (A) Steady flow (B) Turbulent flow (C) Vortex flow

Description : When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as (A) Steady flow (B) Turbulent flow (C) Vortex flow

Last Answer : Answer: Option C

(A)______ muscles are located in the inner walls of hollow visceral organs of the body like the alimentary canal, reproductive tract etc. they do not

Description : (A)______ muscles are located in the inner walls of hollow visceral organs of the body like the alimentary canal, reproductive tract etc. they do not

Last Answer : (A)______ muscles are located in the inner walls of hollow visceral organs of the body like the alimentary ... (B)____ and are in (C)____ appearance.

The kind of epithelium which forms inner walls of blood vessels is

Description : The kind of epithelium which forms inner walls of blood vessels is

Last Answer : The kind of epithelium which forms inner walls of blood vessels is A. Squamous Epithelium ... C. columnar epithelium D. ciliated columnar epithelium

How insulation between the outer and inner walls of a home hleps to reduce thermal energy transfer?

Description : How insulation between the outer and inner walls of a home hleps to reduce thermal energy transfer?

Last Answer : Need answer

What are the lining of the inner walls of the heart's chambers called?

Description : What are the lining of the inner walls of the heart's chambers called?

Last Answer : The answer is endocardium. Hope it helps!!

.Tracheae of cockroach and mammal are similar in having (a) paired nature (b) noncollapsible walls (c) ciliated inner lining (d) origin from head.

Description : .Tracheae of cockroach and mammal are similar in having (a) paired nature (b) noncollapsible walls (c) ciliated inner lining (d) origin from head.

Last Answer : (b) noncollapsible walls

The formation of canal system in sponges is due to (a) folding of inner walls (b) gastro-vascular system (c) reproduction (d) porous walls.

Description : The formation of canal system in sponges is due to (a) folding of inner walls (b) gastro-vascular system (c) reproduction (d) porous walls.

Last Answer : (d) porous walls.

A person whose inner walls lining the main airways of the lungs become inflamed and who develops a dry cough for a few days, probably has a. Acute Bronchitis. b. Epiglottitis. c. Pneumonia. d. Chronic Bronchitis.

Description : A person whose inner walls lining the main airways of the lungs become inflamed and who develops a dry cough for a few days, probably has a. Acute Bronchitis. b. Epiglottitis. c. Pneumonia. d. Chronic Bronchitis.

Last Answer : c. Pneumonia

The effective span of a simply supported slab, is (A) Distance between the centres of the bearings (B) Clear distance between the inner faces of the walls plus twice the thickness of the wall (C) Clear span plus effective depth of the slab (D) None of these

Description : The effective span of a simply supported slab, is (A) Distance between the centres of the bearings (B) Clear distance between the inner faces of the walls plus twice the thickness of the wall (C) Clear span plus effective depth of the slab (D) None of these

Last Answer : Answer: Option B

In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on (A) The front face in one direction (B) The front face in both directions (C) The inner face in one direction (D) The inner face in both directions

Description : In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on (A) The front face in one direction (B) The front face in both directions (C) The inner face in one direction (D) The inner face in both directions

Last Answer : Answer: Option C

In counterfort retaining walls, the main reinforcement in the stem at support is (A) Not provided (B) Provided only on inner face (C) Provided only on front face (D) Provided both on inner and front faces

Description : In counterfort retaining walls, the main reinforcement in the stem at support is (A) Not provided (B) Provided only on inner face (C) Provided only on front face (D) Provided both on inner and front faces

Last Answer : Answer: Option B

The external length, breadth and height of a closed box are 10cm, 9cm and 7cm respectively. The total inner surface area of the box is 262 sq.cm. If the walls of the box are of uniform thickness “t” cm, then “t” equals a) 1cm b) 23/3 cm c) 28/9 cm d) 42.5 cm

Description : The external length, breadth and height of a closed box are 10cm, 9cm and 7cm respectively. The total inner surface area of the box is 262 sq.cm. If the walls of the box are of uniform thickness “t” cm, then “t” equals a) 1cm b) 23/3 cm c) 28/9 cm d) 42.5 cm

Last Answer : a) 1cm

The effective span of a simply supported slab is (a) Distance between the centers of the bearings (b) Clear distance between the inner faces of the walls plus twice he thickness of the slab. (c) Cleat spa plus effective depth of the slab. (d) All the above

Description : The effective span of a simply supported slab is (a) Distance between the centers of the bearings (b) Clear distance between the inner faces of the walls plus twice he thickness of the slab. (c) Cleat spa plus effective depth of the slab. (d) All the above

Last Answer : (c) Cleat spa plus effective depth of the slab.

Compound having phenylpropanoid origin is called (a) an alkaloid (b) a terpene (c) a lignin (d) a flavonoid

Description : Compound having phenylpropanoid origin is called (a) an alkaloid (b) a terpene (c) a lignin (d) a flavonoid

Last Answer : Ans:(c)

Which of the following is not present in bagasse fibre? (A) Cellulose (B) Lignin (C) Pentogens (D) None of these

Description : Which of the following is not present in bagasse fibre? (A) Cellulose (B) Lignin (C) Pentogens (D) None of these

Last Answer : (D) None of these

The synthetic fibres produced from __________ are known as rayon. (A) Lignin (B) Cellulose (C) Polyamides (D) Ethylene glyco

Description : The synthetic fibres produced from __________ are known as rayon. (A) Lignin (B) Cellulose (C) Polyamides (D) Ethylene glyco

Last Answer : (B) Cellulose

Main constituent of cotton fibre is (A) Lignin (B) Cellulose (C) Starch (D) Gelatine

Description : Main constituent of cotton fibre is (A) Lignin (B) Cellulose (C) Starch (D) Gelatine

Last Answer : (B) Cellulose

During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undegraded? (a) Lipids (b) Lignin (c) Hemi-cellulose (d) Cellulose

Description : During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undegraded? (a) Lipids (b) Lignin (c) Hemi-cellulose (d) Cellulose

Last Answer : (b) Lignin

An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is (a) cuticle (b) sporopollenin (c) lignin (d) cellulose.

Description : An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is (a) cuticle (b) sporopollenin (c) lignin (d) cellulose.

Last Answer : (b) sporopollenin

A healthy person eats the following diet-5 gm raw sugar, 4 gm albumin, 10 gm pure buffalo ghee adultrated with 2 gm vegetable ghee (hydrogenated vegetable oil) and 5 gm lignin. How many calories he is likely to get? (a) 126 (b) 164 (c) 112 (d) 144

Description : A healthy person eats the following diet-5 gm raw sugar, 4 gm albumin, 10 gm pure buffalo ghee adultrated with 2 gm vegetable ghee (hydrogenated vegetable oil) and 5 gm lignin. How many calories he is likely to get? (a) 126 (b) 164 (c) 112 (d) 144

Last Answer : (d) 144

Which of the following is a constituent of coffee? (A) Caffeine (B) Nicotine (C) Calgon (D) Lignin

Description : Which of the following is a constituent of coffee? (A) Caffeine (B) Nicotine (C) Calgon (D) Lignin

Last Answer : (A) Caffeine

The ideal pulp for the manufacture of paper should have high __________ content. (A) Cellulose (B) Lignin (C) Both (A) & (B) (D) None of these

Description : The ideal pulp for the manufacture of paper should have high __________ content. (A) Cellulose (B) Lignin (C) Both (A) & (B) (D) None of these

Last Answer : (A) Cellulose

Pick out the wrong statement. (A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper (B) Alkali consumption in digestion/cooking of bamboo is measured in terms of permanganate number (C) Bagasse fibre contains both lignin & cellulose (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

Description : Pick out the wrong statement. (A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper (B) Alkali consumption in digestion/cooking of bamboo is measured in terms ... both lignin & cellulose (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

Last Answer : (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to (A) Avoid mechanical weakening of fibre (B) Remove lignin by way of crystallisation (C) Increase the cellulose content (D) None of these

Description : The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to (A) Avoid mechanical weakening of fibre (B) Remove lignin by way of crystallisation (C) Increase the cellulose content (D) None of these

Last Answer : (A) Avoid mechanical weakening of fibre

Main constituents of cotton fiber is (A) Lignin (B) Cellulose (C) Starch (D) Gelatine

Description : Main constituents of cotton fiber is (A) Lignin (B) Cellulose (C) Starch (D) Gelatine

Last Answer : (B) Cellulose

Digestion of wood-base materials (for manufacture of pulp) is done to (A) Remove lignin (B) Produce long fibres (C) Prevent deterioration on storage (D) None of these

Description : Digestion of wood-base materials (for manufacture of pulp) is done to (A) Remove lignin (B) Produce long fibres (C) Prevent deterioration on storage (D) None of these

Last Answer : (A) Remove lignin

Which of the following is not present in bagasse fibre? (A) Cellulose (B) Lignin (C) Pentogens (D) None of these

Description : Which of the following is not present in bagasse fibre? (A) Cellulose (B) Lignin (C) Pentogens (D) None of these

Last Answer : (D) None of these

An adsorbant a). Activated carbon b). lignin byproducts c). ion exchange resins d). All

Description : An adsorbant a). Activated carbon b). lignin byproducts c). ion exchange resins d). All

Last Answer : d). All

34. Decomposition rate is slower if detritus is ... b) Rich in Nitrogen b) Rich in lignin and chitin c) Rich in sugars d) Rich in fats and lipids

Description : 34. Decomposition rate is slower if detritus is ... b) Rich in Nitrogen b) Rich in lignin and chitin c) Rich in sugars d) Rich in fats and lipids

Last Answer : b) Rich in lignin and chitin

14. Decomposition rate is slower if detritus is ... a) Rich in Nitrogen b) Rich in lignin and chitin c) Rich in sugars d) Rich in fats and lipids

Description : 14. Decomposition rate is slower if detritus is ... a) Rich in Nitrogen b) Rich in lignin and chitin c) Rich in sugars d) Rich in fats and lipids

Last Answer : b) Rich in lignin and chitin

55. An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is (1) Cellulose (2) Cuticle (3) Sporopollenin (4) Lignin

Description : 55. An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is (1) Cellulose (2) Cuticle (3) Sporopollenin (4) Lignin

Last Answer : Lignin

Based on the tax refund cycle chart if your refund isn't deposited on the scheduled date does it automatically mean it has to be reviewed?

Description : Based on the tax refund cycle chart if your refund isn't deposited on the scheduled date does it automatically mean it has to be reviewed?

Last Answer : My daughter is having EXACTLY the same problem. She filed on the 2nd as well and was supposed to get it on Wednesday, the 15th. When she calls, all she gets is, It hasn't been processed yet ... track their refunds on line, but that returns are being processed normally. Doesn't sound like it to me.

‘The entire northern plains are made of alluvial soils. Name the rivers due to which the soils have been deposited. -SST 10th

Description : ‘The entire northern plains are made of alluvial soils. Name the rivers due to which the soils have been deposited. -SST 10th

Last Answer : The Indus, the Ganga and the Brahmaputra.

Minerals are deposited and accumulated in the strata of which of the following rocks ? -SST 10th

Description : Minerals are deposited and accumulated in the strata of which of the following rocks ? -SST 10th

Last Answer : A - Minerals are found in layers or strata in sedimentary rocks. Minerals are accumulated in horizontal strata after being exposed to high heat and pressure for a long period of time. Coal, iron ore, gypsum, potash salt etc are formed in this way.