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

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

1 Answer

Answer :

(B) Cellulose
by

Related questions

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

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

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

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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

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Last Answer : A

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

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Last Answer : (A) Cellulose

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Description : What is the best source of pure cellulose? (a) Coir (b) Cotton fibre (c) Jute fibre (d) Hemp

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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

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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

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

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Last Answer : Lignin

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

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Last Answer : ANSWER: B -- LIGNIFICATION

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Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? (A) Starch (B) Cellulose (C) Proteins (D) Nucleic acids

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Cellulose content in bamboo fibre is about __________ percent. (A) 10 (B) 20 (C) 50 (D) 85

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_________ is a natural fibre. (A) Cellulose (B) Dacron (C) Nylon-6 (D) None of these

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Description : Pick out the wrong statement. (A) Denier is defined as weight in gm of 9000 metres length of a fibre, while tex is defined as weight in gm of 1000 metres length of fibre (B) ... fibres are all prepared by wet spinning (D) Nylon fibres have greater water absorption capacity than polyester fibres

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Cellulose percentage in bamboo fibre is about (A) 10 (B) 20 (C) 50 (D) 85

Description : Cellulose percentage in bamboo fibre is about (A) 10 (B) 20 (C) 50 (D) 85

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__________ acid is the main constituent of cotton seed oil. (A) Acetic (B) Linoleic (C) Palmitic (D) Oleic

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A carbohydrate which can not be digested in human gut is (A) Cellulose (B) Starch (C) Glycogen (D) Maltose

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Description : Which of the following is known as animal starch? (1) glycogen (2) cellulose (3) glucose (4) chitin

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The outer skin most of the crustaceans are made up of a carbohydrate. This carbohydrate is (1) cellulose (2) galactose (3) chitin (4) starch

Description : The outer skin most of the crustaceans are made up of a carbohydrate. This carbohydrate is (1) cellulose (2) galactose (3) chitin (4) starch

Last Answer : (3) chitin Explanation: All crustaceans have a body covered with a protective shell composed of a horny substance called chiton. The outer skeleton is not continuous but made up of divided sections called somites.

Cellulose and starch are polysaccharides made of glucose, but cellulose cannot be digest by human beings, why?

Description : Cellulose and starch are polysaccharides made of glucose, but cellulose cannot be digest by human beings, why? 

Last Answer : Cellulose contains beta 1,4 linkages, which cannot be digested by human enzymes.

Reproductive phase of fruit plants is improved by the accumulation of _____: a. Nitrogen b. Starch c. Proteins d. Cellulose

Description : Reproductive phase of fruit plants is improved by the accumulation of _____: a. Nitrogen b. Starch c. Proteins d. Cellulose

Last Answer : Starch

A person who is eating boiled potato, his food contains the component (a) cellulose which is digested by cellulase (b) starch which is digested (c) lactose which is not digested (d) DNA which can be digested by pancreatic DNase.

Description : A person who is eating boiled potato, his food contains the component (a) cellulose which is digested by cellulase (b) starch which is digested (c) lactose which is not digested (d) DNA which can be digested by pancreatic DNase.

Last Answer : (b) starch which is digested

Which one of the following pairs of food components in humans reaches the stomach totally undigested ? (a) Starch and fat (b) Fat and cellulose (c) Starch and cellulose (d) Protein and starch

Description : Which one of the following pairs of food components in humans reaches the stomach totally undigested ? (a) Starch and fat (b) Fat and cellulose (c) Starch and cellulose (d) Protein and starch

Last Answer : b) Fat and cellulose

In which of the following groups are all polysaccharides? (a) Sucrose, glucose and fructose (b) Maltose, lactose and fructose (c) Glycogen, sucrose and maltose (d) Glycogen, cellulose and starch

Description : In which of the following groups are all polysaccharides? (a) Sucrose, glucose and fructose (b) Maltose, lactose and fructose (c) Glycogen, sucrose and maltose (d) Glycogen, cellulose and starch

Last Answer : (d) Glycogen, cellulose and starch

Floridean starch has structure similar to (a) starch and cellulose (b) amylopectin and glycogen (c) mannitol and algin (d) laminarin and cellulose.

Description : Floridean starch has structure similar to (a) starch and cellulose (b) amylopectin and glycogen (c) mannitol and algin (d) laminarin and cellulose.

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Which filler can NOT be used for the preparation of tablets for amine containing basic drugs to avoid discoloration of the tablets? (A) Dicalcium phosphate (B) Microcrystalline cellulose (C) Starch (D) Lactose

Description : Which filler can NOT be used for the preparation of tablets for amine containing basic drugs to avoid discoloration of the tablets? (A) Dicalcium phosphate (B) Microcrystalline cellulose (C) Starch (D) Lactose

Last Answer : (D) Lactose

38. Which of the following statements is false? (1) Both starch and cellulose are polymers of glucose (2) Artificial silk is derived from cellulose (3) Nylon-66 is an example of elastomer (4) The repeat unit in natural rubber is isoprene

Description : 38. Which of the following statements is false? (1) Both starch and cellulose are polymers of glucose (2) Artificial silk is derived from cellulose (3) Nylon-66 is an example of elastomer (4) The repeat unit in natural rubber is isoprene

Last Answer : Nylon-66 is an example of elastomer

The caecum in rabbit is considered to be concerned with the digestion of (a) Cellulose (b) Fat (c) Starch (d) Protein

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Last Answer : (a) Cellulose

Which one of these carbohydrates is a monsaccharide (a) Glucose b) Starch (c) Sucrose (d) Cellulose

Description : Which one of these carbohydrates is a monsaccharide (a) Glucose b) Starch (c) Sucrose (d) Cellulose

Last Answer : (a) Glucose

Which of the following is a nitrogenous polysaccharide : (a) Starch (b) Cellulose (c) Chitin (d) Glycogen

Description : Which of the following is a nitrogenous polysaccharide : (a) Starch (b) Cellulose (c) Chitin (d) Glycogen

Last Answer : (c) Chitin

Which of the following macromolecules is primarily responsible for the insolubility of cell membranes in water? a) starch b) cellulose c) protein d) phospholipid

Description : Which of the following macromolecules is primarily responsible for the insolubility of cell membranes in water? a) starch b) cellulose c) protein d) phospholipid

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The food in Onion is stored in the form of _______ (1) Cellulose (2) Protein (3) Starch (4) Sugar

Description : The food in Onion is stored in the form of _______ (1) Cellulose (2) Protein (3) Starch (4) Sugar 

Last Answer : Sugar