The end products of saponification: (A) glycerol (B) acid (C) soap (D) Both (A) and (C)

The end products of saponification: (A) glycerol (B) acid (C) soap (D) Both (A) and (C)
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Saponification of a fat (a) always results in the formation of insoluble soaps (b) produces glycerol and soap (c) is used in the production of detergents (d) is used in the production of lactic acid

Description : Saponification of a fat (a) always results in the formation of insoluble soaps (b) produces glycerol and soap (c) is used in the production of detergents (d) is used in the production of lactic acid

Last Answer : produces glycerol and soap

Saponification: (A) Hydrolysis of fats by alkali (B) Hydrolysis of glycerol by liposes (C) Esterification (D) Reduction

Description : Saponification: (A) Hydrolysis of fats by alkali (B) Hydrolysis of glycerol by liposes (C) Esterification (D) Reduction

Last Answer : Answer : A

Mention the essential material (chemicals) to prepare soap in the laboratory. Describe in brief the test of determining the nature (acidic/alkaline) of the reaction mixture of saponification reaction. -Science

Description : Mention the essential material (chemicals) to prepare soap in the laboratory. Describe in brief the test of determining the nature (acidic/alkaline) of the reaction mixture of saponification reaction. -Science

Last Answer : Raw Materials Required For preparation of soap in laboratory are :Vegetable oilSodium HydroxideCommom salt Test to determine the nature of reaction mixture: When a red litmus paper is dipped in the ... colour to blue. Hence, the reaction mixture of the saponification reaction is basic in nature.

The process involved in making soap is (1) Saponification (2) Hydrolysis (3) Condensation (4) Polymerization

Description : The process involved in making soap is (1) Saponification (2) Hydrolysis (3) Condensation (4) Polymerization

Last Answer : (1) Saponification Explanation: Saponification is a process that produces soap, usually from fats and lye. In technical teens, saponification involves base (usually caustic soda NaOH) hydrolysis ... of a carboxylate. In addition to soap, such traditional saponification processes produces glycerol.

Oils and fats are converted to soap in a process called (A) Hydrogenation (B) Esterification (C) Saponification (D) None of these

Description : Oils and fats are converted to soap in a process called (A) Hydrogenation (B) Esterification (C) Saponification (D) None of these

Last Answer : (C) Saponification

The process involved in making soap is (1) saponification (2) hydrolysis (3) condensation (4) polymerisation

Description : The process involved in making soap is (1) saponification (2) hydrolysis (3) condensation (4) polymerisation

Last Answer : saponification

Iodine number denotes (A) Degree of unsaturation (B) Saponification number (C) Acid number (D) Acetyl number

Description : Iodine number denotes (A) Degree of unsaturation (B) Saponification number (C) Acid number (D) Acetyl number

Last Answer : Answer : A

Saponification number indicates (A) Unsaturation in fat (B) Average M.W of fatty acid (C) Acetyl number (D) Acid number

Description : Saponification number indicates (A) Unsaturation in fat (B) Average M.W of fatty acid (C) Acetyl number (D) Acid number

Last Answer : Answer : B

Saponification number is (A) mg of KOH required to saponify one gm of fat or oil (B) mg of KOH required to neutralize free fatty acids of one gms of fat (C) mg of KOH required to neutralize the acetic acid obtained by saponification of one gm of fat after it has been acetylated (D) None of these

Description : Saponification number is (A) mg of KOH required to saponify one gm of fat or oil (B) mg of KOH required to neutralize free fatty acids of one gms of fat (C) mg of KOH required to neutralize the acetic acid obtained by saponification of one gm of fat after it has been acetylated (D) None of these

Last Answer : Answer : C

By-product obtained by soap industry is – (1) Caustic soda (2) Glycerol (3) Naphthalene (4) Caustic potash

Description : By-product obtained by soap industry is – (1) Caustic soda (2) Glycerol (3) Naphthalene (4) Caustic potash

Last Answer : (2) Glycerol Explanation: Glycerol forms the backbone of triglyeerides, and is chiefly produced by saponification of fats as a byproduct of soapmaking. It is also a byproduct of the production of ... This form of crude glycerin is often dark in appearance with a thick, syrup-like consistency.

Soap is (a) a mixture of salts of fatty acids (b) a salt of glycerol (c) a mixture of ethers (d) a mixture of aromatic ethers

Description : Soap is (a) a mixture of salts of fatty acids (b) a salt of glycerol (c) a mixture of ethers (d) a mixture of aromatic ethers

Last Answer : a mixture of salts of fatty acids

Hydrolysis of fats by alkali is called (A) Saponification number (B) Saponification (C) Both (A) and (B) (D) None of these

Description : Hydrolysis of fats by alkali is called (A) Saponification number (B) Saponification (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

Biosynthesis of Triglyceride and Lecithine both require an intermediate: (A) Monoacyl glycerol phosphate (B) Phosphatidic acid (C) Phosphatidyl ethanol amine (D) Phosphatidyl cytidylate

Description : Biosynthesis of Triglyceride and Lecithine both require an intermediate: (A) Monoacyl glycerol phosphate (B) Phosphatidic acid (C) Phosphatidyl ethanol amine (D) Phosphatidyl cytidylate

Last Answer : Answer : B

In glycerophospholipids, a polyunsaturated fatty acid is commonly attached to which of the following carbon atom of glycerol? (A) Carbon 1 (B) Carbon 2 (C) Both (A) and (B) (D) None of these

Description : In glycerophospholipids, a polyunsaturated fatty acid is commonly attached to which of the following carbon atom of glycerol? (A) Carbon 1 (B) Carbon 2 (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

The importance of phospholipids as constituent of cell membrane is because they possess (A) Fatty acids (B) Both polar and nonpolar groups (C) Glycerol (D) Phosphoric acid

Description : The importance of phospholipids as constituent of cell membrane is because they possess (A) Fatty acids (B) Both polar and nonpolar groups (C) Glycerol (D) Phosphoric acid

Last Answer : Answer : B

Does saponification number of a fat molecule increase or decrease with the molecular weight of the fat?

Description : Does saponification number of a fat molecule increase or decrease with the molecular weight of the fat?

Last Answer : Decreases with increase in molecular weight of fat.

What is saponification?

Description : What is saponification?

Last Answer : Hydrolysis of fat by alkali is called are saponification.

What is found at the end of a fatty acid that does not attach to glycerol?

Description : What is found at the end of a fatty acid that does not attach to glycerol?

Last Answer : The carboxyl group -COOH attaches to glycerol. The other end is a hydrocarbon chain.

Saponification involves the hydrolysis of fats and oils by- (1) water (2) washing soda (3) stearic acid (4) caustic soda

Description : Saponification involves the hydrolysis of fats and oils by- (1) water (2) washing soda (3) stearic acid (4) caustic soda

Last Answer : (4) caustic soda Explanation: Caustic soda (sodium hydroxide) is a versatile alkali. Its main uses are in the manufacture of pulp and paper, alumina, soap and detergents, petroleum products and chemical production.

Saponification value/number of an oil or fat is a measure of its (A) Fatty acid content (B) Degree of unsaturation of the fatty acids present in it (C) Average molecular weight (D) Insoluble fatty acid content

Description : Saponification value/number of an oil or fat is a measure of its (A) Fatty acid content (B) Degree of unsaturation of the fatty acids present in it (C) Average molecular weight (D) Insoluble fatty acid content

Last Answer : (C) Average molecular weight

Reaction of an alcohol with organic acid is called the __________ reaction. (A) Saponification (B) Esterification (C) Neutralisation (D) Acidification

Description : Reaction of an alcohol with organic acid is called the __________ reaction. (A) Saponification (B) Esterification (C) Neutralisation (D) Acidification

Last Answer : (B) Esterification

4. The difference between saponification value and acid value is (A) Called ester value (B) Always negative (C) Constant for all fatty oils (D) None of these

Description : 4. The difference between saponification value and acid value is (A) Called ester value (B) Always negative (C) Constant for all fatty oils (D) None of these

Last Answer : (A) Called ester value

Glycerol-3-phosphate for the synthesis of triglycerides in adipose tissue is derived from (A) Phosphatidic acid (B) Diacylglycerol (C) Glycerol (D) Glucose

Description : Glycerol-3-phosphate for the synthesis of triglycerides in adipose tissue is derived from (A) Phosphatidic acid (B) Diacylglycerol (C) Glycerol (D) Glucose

Last Answer : Answer : D

In the biosynthesis of triglycerides from glycerol 3-phosphate and acyl-CoA, the first intermediate formed is (A) 2-Monoacylglycerol (B) 1, 2-Diacylglycerol (C) Lysophosphatidic acid (D) Phosphatidic acid

Description : In the biosynthesis of triglycerides from glycerol 3-phosphate and acyl-CoA, the first intermediate formed is (A) 2-Monoacylglycerol (B) 1, 2-Diacylglycerol (C) Lysophosphatidic acid (D) Phosphatidic acid

Last Answer : Answer : D

The glycerol for fatty acid esterification in adipocytes is (A) For the most part, derived from glucose (B) Obtained primarily from phosphorylation of glycerol by glycerol kinase (C) Formed from gluconeogenesis (D) Formed from glycogenolysis ENZYMES 153

Description : The glycerol for fatty acid esterification in adipocytes is (A) For the most part, derived from glucose (B) Obtained primarily from phosphorylation of glycerol by glycerol kinase (C) Formed from gluconeogenesis (D) Formed from glycogenolysis ENZYMES 153

Last Answer : Answer : A

Intermediate in the denovo synthesis of triacyl glycerols include all the following except (A) Fatty acyl CoA (B) CDP diacyl glycerol (C) Glycerol-3-phosphate (D) Lysophosphatidic acid

Description : Intermediate in the denovo synthesis of triacyl glycerols include all the following except (A) Fatty acyl CoA (B) CDP diacyl glycerol (C) Glycerol-3-phosphate (D) Lysophosphatidic acid

Last Answer : Answer : B

Which of the following regulates lipolysis in adipocytes? (A) Activation of fatty acid synthesis mediated by CAMP (B) Glycerol phosphorylation to prevent futile esterification of fatty acids (C) Activation of triglyceride lipase as a result of hormone stimulated increases in CAMP levels (D) Activation of CAMP production by Insulin

Description : Which of the following regulates lipolysis in adipocytes? (A) Activation of fatty acid synthesis mediated by CAMP (B) Glycerol phosphorylation to prevent futile esterification of fatty acids (C) ... result of hormone stimulated increases in CAMP levels (D) Activation of CAMP production by Insulin

Last Answer : Answer : C

All the following are constituents of ganglioside molecule except (A) Glycerol (B) Sialic acid (C) Hexose sugar (D) Sphingosine

Description : All the following are constituents of ganglioside molecule except (A) Glycerol (B) Sialic acid (C) Hexose sugar (D) Sphingosine

Last Answer : Answer : A

In synthesis of Triglyceride from α-Glycero phosphate and acetyl CoA, the first intermediate formed is (A) β-diacyl glycerol (B) Acyl carnitine (C) Monoacyl glycerol(D) Phosphatidic acid

Description : In synthesis of Triglyceride from α-Glycero phosphate and acetyl CoA, the first intermediate formed is (A) β-diacyl glycerol (B) Acyl carnitine (C) Monoacyl glycerol(D) Phosphatidic acid

Last Answer : Answer : D

Cerebrosides are composed of (A) Sphingosine, fatty acids, glycerol and phosphoric acid (B) Sphingosine, fatty acids, galactose (C) Glycerol, fatty acids, galactose (D) Glycerol, fatty acids, galactose, sphingol

Description : Cerebrosides are composed of (A) Sphingosine, fatty acids, glycerol and phosphoric acid (B) Sphingosine, fatty acids, galactose (C) Glycerol, fatty acids, galactose (D) Glycerol, fatty acids, galactose, sphingol

Last Answer : Answer : B

Phosphatidic acid on hydrolysis yields (A) Glycerol, fatty acids, phosphoric acid, choline (B) Glycerol, fatty acids, phosphoric acid (C) Glycerol, fatty acids, phosphoric acid, Glucose (D) Sphingol, fatty acids, phosphoric acid

Description : Phosphatidic acid on hydrolysis yields (A) Glycerol, fatty acids, phosphoric acid, choline (B) Glycerol, fatty acids, phosphoric acid (C) Glycerol, fatty acids, phosphoric acid, Glucose (D) Sphingol, fatty acids, phosphoric acid

Last Answer : Answer : B

Sphingomyelins on hydrolysis yields (A) Glycerol, fatty acids, phosphoric acid and choline (B) Glycerol, sphingosine, choline and fatty acids (C) Sphingosine, phosphoric acid, Glycerol and inositol (D) Sphingosine, fatty acids, phosphoric acid and choline

Description : Sphingomyelins on hydrolysis yields (A) Glycerol, fatty acids, phosphoric acid and choline (B) Glycerol, sphingosine, choline and fatty acids (C) Sphingosine, phosphoric acid, Glycerol and inositol (D) Sphingosine, fatty acids, phosphoric acid and choline

Last Answer : Answer : D

Sphingomyelins are composed of fatty acids, phosphoric acid and (A) Sphingosine and choline (B) Glycerol and sphingosine (C) Glycerol and Serine (D) Glycerol and Choline

Description : Sphingomyelins are composed of fatty acids, phosphoric acid and (A) Sphingosine and choline (B) Glycerol and sphingosine (C) Glycerol and Serine (D) Glycerol and Choline

Last Answer : Answer : A

Lecithins are composed of (A) Glycerol + Fatty acids + Phosphoric acid + Choline (B) Glycerol + Fatty acids + Phosphoric acid + Ethanolamine (C) Glycerol + Fatty acids + Phosphoric acid + Serine (D) Glycerol + Fatty acids + Phosphoric acid + Beaine

Description : Lecithins are composed of (A) Glycerol + Fatty acids + Phosphoric acid + Choline (B) Glycerol + Fatty acids + Phosphoric acid + Ethanolamine (C) Glycerol + Fatty acids + Phosphoric acid + Serine (D) Glycerol + Fatty acids + Phosphoric acid + Beaine

Last Answer : Answer : A

Lieberman-Burchard reaction is performed to detect (A) Cholesterol (B) Glycerol (C) Fatty acid (D) Vitamin D

Description : Lieberman-Burchard reaction is performed to detect (A) Cholesterol (B) Glycerol (C) Fatty acid (D) Vitamin D

Last Answer : Answer : A

Glycerol released from adipose tissue by hydrolysis of triglycerides is mainly (A) Taken up by liver (B) Taken up by extrahepatic tissues (C) Reutilised in adipose tissue (D) Excreted from the body FATS AND FATTY ACID METABOLISM 85

Description : Glycerol released from adipose tissue by hydrolysis of triglycerides is mainly (A) Taken up by liver (B) Taken up by extrahepatic tissues (C) Reutilised in adipose tissue (D) Excreted from the body FATS AND FATTY ACID METABOLISM 85

Last Answer : Answer : A

Gangliosides derived from glucosylceramide contain in addition one or more molecules of (A) Sialic acid (B) Glycerol (C) Diacylglycerol (D) Hyaluronic acid

Description : Gangliosides derived from glucosylceramide contain in addition one or more molecules of (A) Sialic acid (B) Glycerol (C) Diacylglycerol (D) Hyaluronic acid

Last Answer : Answer : A

Glycosphingolipids are a combination of (A) Ceramide with one or more sugar residues (B) Glycerol with galactose (C) Sphingosine with galactose (D) Sphingosine with phosphoric acid

Description : Glycosphingolipids are a combination of (A) Ceramide with one or more sugar residues (B) Glycerol with galactose (C) Sphingosine with galactose (D) Sphingosine with phosphoric acid

Last Answer : Answer : A

Cephalin consists of (A) Glycerol, fatty acids, phosphoric acid and choline (B) Glycerol, fatty acids, phosphoric acid and ethanolamine (C) Glycerol, fatty acids, phosphoric acid and inositol (D) Glycerol, fatty acids, phosphoric acid and serine

Description : Cephalin consists of (A) Glycerol, fatty acids, phosphoric acid and choline (B) Glycerol, fatty acids, phosphoric acid and ethanolamine (C) Glycerol, fatty acids, phosphoric acid and inositol (D) Glycerol, fatty acids, phosphoric acid and serine

Last Answer : Answer : B

If the fatty acid is esterified with an alcohol of high molecular weight instead of glycerol, the resulting compound is (A) Lipositol (B) Plasmalogen (C) Wax (D) Cephalin

Description : If the fatty acid is esterified with an alcohol of high molecular weight instead of glycerol, the resulting compound is (A) Lipositol (B) Plasmalogen (C) Wax (D) Cephalin

Last Answer : Answer : C

Phospholipids are important cell membrane components because (A) They have glycerol (B) They can form bilayers in water (C) They have both polar and non polar potions (D) They combine covalently with proteins

Description : Phospholipids are important cell membrane components because (A) They have glycerol (B) They can form bilayers in water (C) They have both polar and non polar potions (D) They combine covalently with proteins

Last Answer : Answer : C

Esters of fatty acids with higher alcohols other than glycerol are said to be (A) Waxes (B) Fats (C) Both (A) and (B) (D) None of these

Description : Esters of fatty acids with higher alcohols other than glycerol are said to be (A) Waxes (B) Fats (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II. Column I Column II (a) Glycerol, fatty acids Duodenum, move as chylomicrons (b) Cholesterol, maltose Large intestine, active absorption (c) Glycine, glucose Small intestine, active absorption (d) Fructose, Na+ Small intestine, passive absorption

Description : Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II. Column I Column II (a) Glycerol, fatty acids Duodenum, ... , glucose Small intestine, active absorption (d) Fructose, Na+ Small intestine, passive absorption

Last Answer : (c) Glycine, glucose Small intestine, active absorption

Explain any five of the following terms (in not more than four lines each): (i) Osmosis Glycolysis (ii) Phototaxis (iii) Transpiration (iv) Saponification (v) Emulsion

Description : Explain any five of the following terms (in not more than four lines each): (i) Osmosis Glycolysis (ii) Phototaxis (iii) Transpiration (iv) Saponification (v) Emulsion

Last Answer : (i) Osmosis: osmosis, in botany and chemistry, the flow of one constituent of a solution through a membrane while the other constituents are blocked and unable to pass through the (selecyively permeable membrane ... in a second liquid with which the first will not mix: an emulsion of oil in vinegar

Why is the knowledge of saponification value of oil important?

Description : Why is the knowledge of saponification value of oil important?

Last Answer : Saponification value helps the manufacturer of soap to prepare soap which does not contain excess of potassium hydroxide.

What is meant by saponification value?

Description : What is meant by saponification value?

Last Answer : Saponification value can be defined as the amount of potassium hydroxide in ‘mg’ (milligrams) required to neutralize the fatty acid present in one gram of oil or fat.

Explain the steps involved in saponification.

Description : Explain the steps involved in saponification.

Last Answer : Saponification is the reaction that takes place between oil and sodium hydroxide during the manufacture of soap. The steps involved are: 1) Hydrolysis of fats or oil into carboxylic acid and glycerol. 2) Neutralization of the fatty acid by sodium hydroxide.

What is meant by saponification?

Description : What is meant by saponification?

Last Answer : The process of neutralizing the fatty acids present in oils or fats by adding sodium or potassium hydroxide is called saponification.

The degree of unsaturation of a fat can be determined by means of its (a) Iodine number (b) Octane number (c) Saponification number (d) Melting point

Description : The degree of unsaturation of a fat can be determined by means of its (a) Iodine number (b) Octane number (c) Saponification number (d) Melting point

Last Answer : Iodine number

Alkaline hydrolysis of oils (or fats) is called : (a) Saponification (b) Fermentation (c) Diazotization (d) Rancidification

Description : Alkaline hydrolysis of oils (or fats) is called : (a) Saponification (b) Fermentation (c) Diazotization (d) Rancidification

Last Answer : Saponification