Oils having more than 50 % polyunsaturated fatty acids include all of the following except (A) Groundnut oil (B) Soyabean oil (C) Sunflower oil (D) Safflower oil

1 Answer

Answer :

Answer : A

Related questions

Description : The percentage of polyunsaturated fatty acids in soyabean oil is (A) 62 (B) 10 (C) 3 (D) 2

Last Answer : Answer : A

Description : Which of the following vegetable oils does not contain essential fatty acids ? (1) Sunflower oil (2) Mustard oil (3) Coconut oil (4)Groundnut oil

Last Answer :  Sunflower oil

Description : Which of the following vegetable oils does not contain essential fatty acids? (1) Sunflower oil (2) Mustard oil (3) Coconut oil (4) Gmundnut oil

Last Answer : (1) Sunflower oil Explanation: Fatty Acids are aliphatic carboxylic acid with varying hydrocarbon lengths at one end of the chain joined to terminal carboxyl (-COOH) group at the other end.

Description : Pick out the correct statement. (A) A fat is converted into oil by its hydrogenation (B) There is no difference between a fat and an oil so far as its physical properties are ... Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content

Last Answer : (C) All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms

Description : Fluidity of membranes is increased by the following constituent except (A) Polyunsaturated fatty acids (B) Saturated fatty acids (C) Integral proteins (D) Cholesterol

Last Answer : Answer : A

Description : Diets having a high ratio of polyunsaturated: saturated fatty acids can cause (A) Increase in serum triglycerides (B) Decrease in serum cholesterol (C) Decrease in serum HDL (D) Skin lesions

Last Answer : Answer : B

Description : Insignificant amount of Vitamin E is present in (A) Wheat germ oil (B) Sunflower seed oil (C) Safflower seed oil (D) Fish liver oil

Last Answer : Answer : D

Description : High cholesterol patients are advised to use (a) ghee, butter and oils (b) groundnut oil, margarine and vegetable oils (c) fatty oil and butter (d) cheese, dalda and ghee.

Last Answer : (b) groundnut oil, margarine and vegetable oils

Description : Synthesis of polyunsaturated fatty acids involves the enzyme systems: (A) Acyl transferase and hydratase (B) Desaturase and elongase (C) Ketoacyl-CoA reductase and hydratase (D) Dihydroxyacetone phosphate

Last Answer : Answer : A

Description : Vitamin E protects the polyunsaturated fatty acids from oxidation by molecular oxygen in the formation of (A) Superoxide (B) Peroxide (C) Trioxide (D) All of these

Last Answer : Answer : B

Description : Vitamin E protects (A) Polyunsaturated fatty acids against aperoxidation (B) Vitamin A and carotenes against oxidation (C) Lung tissue against atmospheric pollutants (D) All of these

Last Answer : Answer : D

Description : The desaturation and chain elongation system of polyunsaturated fatty acids are greatly diminished in the absence of (A) Insulin (B) Glycagon (C) Epinephrine (D) Thyroxine

Last Answer : Answer : A

Description : Predominant fatty acids in meat are (A) Saturated (B) Monounsaturated (C) Polyunsaturated (D) Mono and poly-unsaturated

Last Answer : Answer : A

Description : Propionyl CoA is formed on oxidation of (A) Monounsaturated fatty acids (B) Polyunsaturated fatty acids (C) Fatty acids with odd number of carbon atoms (D) None of these FATS AND FATTY ACID METABOLISM 83

Last Answer : Answer : C

Description : Which of the following can be oxidized by β-oxidation pathway? (A) Saturated fatty acids (B) Monosaturated fatty acids (C) Polyunsaturated fatty acids (D) All of these

Last Answer : Answer : D

Description : The percentage of polyunsaturated fatty acids in butter is (A) 60 (B) 37 (C) 25 (D) 3

Last Answer : Answer : D

Description : Animal fat is in general (A) Poor in saturated and rich in polyunsaturated fatty acids (B) Rich in saturated and poor in polyunsaturated fatty acids (C) Rich in saturated and polyunsaturated fatty acids (D) Poor in saturated and polyunsaturated fatty acids

Last Answer : B

Description : Name polyunsaturated fatty acids.

Last Answer : Linoleic, linolenic and arachidonic acids. 

Description : Name some polyunsaturated fatty acids.

Last Answer : Linoleic, linolenic and arachidonic acids.

Description : Safest oil for human consumption ? a Ground nut oil b Soyabean c Mustard oil d Sunflower oil

Last Answer : d Sunflower oil

Description : Invisible fat is present in (A) Milk (B) Coconut oil (C) Groundnut oil (D) Hydrogenated oils

Last Answer : Answer : A

Description : Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil. (A) Drying (B) Semi-drying (C) Non-drying (D) None of these

Last Answer : (C) Non-drying

Description : Esters of fatty acids with higher alcohol other than glycerol are called as (A) Oils (B) Polyesters (C) Waxes (D) Terpenoids

Last Answer : Answer : C

Description : The Japanese type rotary thresher is used for threshing a) Paddy b) Wheat c) Sunflower d) Safflower

Last Answer : Paddy 

Description : The Iodine number of essential fatty acids of vegetable oils: (A) High (B) Very high (C) Very low (D) Low

Last Answer : Answer : D

Description : The oil which causes dropsy is – (1) Groundnut oil (2) Coconut oil (3) Sunflower oil (4) Argemone oil

Last Answer : (4) Argemone oil Explanation: Epidemic dropsy is a form of edema of extremities due to intoxication with Argemon.e Mexicana seed oil. Sanguinarine and dihydrosanguinarine are two ... of argemone oil, which cause widespread capillary dilatation, proliferation and increased capillary permeability.

Description : The oil which causes dropsy is (1) Groundnut oil (2) Coconut oil (3) Sunflower oil (4) Argemone oil

Last Answer : Argemone oil

Description : The desaturation and chain elongation system of polyunsaturated fatty acid are enhanced by (A) Insulin (B) Glucagon (C) Epinephrine (D) Thyroxine

Last Answer : Answer : A

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

Description : Which of the following is omega-3 polyunsaturated fatty acid? (A) Linoleic acid (B) α-Linolenic acid (C) γ-Linolenic acid (D) Arachidonic acid

Last Answer : Answer : B

Description : Which of the following is a polyunsaturated fatty acid? (A) Palmitic acid (B) Palmitoleic acid (C) Linoleic acid (D) Oleic acid

Last Answer : Answer : C

Description : Which one of the following vegetable oils is used in the manufacture of paints? (1) Palm oil (2) Sunflower oil (3) Linseed oil (4) Cottonseed oil

Last Answer : (4) Cottonseed oil Explanation: Linseed oil and castor oils are used mainly as drying agents in paints and varnishes. Linseed oil is generally used in the manufacture of oil paints, drying oil finish ... , as a pigment binder in oil paints, as a plasticizer and in the manufacture of linoleum.

Description : Which one of the following vegetable oils is used in the manufacture of paints? (1) Palm oil (2) Sunflower oil (3) Linseed oil (4) Cottonseed oil

Last Answer : Linseed oil

Description : All the following can be oxidized by βoxidation except (A) Palmitic acid (B) Phytanic acid (C) Linoleic acid (D) Fatty acids having an odd number of carbon atoms

Last Answer : Answer : B

Description : The following are the major oilseeds produced in India: [IAS 1997] 1. Sesamum 2. Mustard 3. Groundnut 4. Soyabean Which one of the following is the correct sequence of the descending order of the quantity of their production? (a) 1, 2, 3, 4 (b) 3, 2, 4, 1 (c) 2, 4, 3, 1 (d) 3, 4, 2, 1

Last Answer : Ans: (b)

Description : Two richest known sources of edible protein are - (1) meat and eggs (2) milk and vegetables (3) soyabean and groundnut (4) some type of algae and other microorganisms

Last Answer : (3) soyabean and groundnut Explanation: The richest sources of protein are animal foods such as chicken, meat, fish, cheese and eggs. However, plant proteins are believed to be healthier because of their lower fat content.

Description : Two richest known sources of edible protein are – (1) Meat and eggs (2) Some algae and other micro-organisms (3) Soyabean and groundnut (4) Milk and leafy vegetables

Last Answer : (1) Meat and eggs Explanation: Meat, fish and eggs are the richest sources of protein. An ounce of meat or fish has approximately 7 grams of protein. A large ead contains 6 grams protein.

Description : Two richest known sources of edible protein are (1) Meat and eggs (2) Some algae and other microorganisms (3) Soyabean and groundnut (4) Milk and leafy vegetables

Last Answer : Meat and eggs

Description : Two richest known sources of edible protein are (1) meat and eggs (2) milk and vegetables (3) soyabean and groundnut (4) some type of algae and other micro-organisms

Last Answer : soyabean and groundnut

Description : Fats as compared to oils have (A) More unsaturated glycerides of fatty acids (B) Less unsaturated glycerides of fatty acids (C) Much higher reactivity to oxygen (D) Lower melting point

Last Answer : (B) Less unsaturated glycerides of fatty acids

Description : The percentage of linoleic acid in safflower oil is (A) 73 (B) 57 (C) 40 (D) 15

Last Answer : Answer : A

Description : The enzyme that catalyse the changing of emulsified oils to fatty acids and glycerol is -

Last Answer : The enzyme that catalyse the changing of emulsified oils to fatty acids and glycerol is - A. Pepsin B. Lipase C. Amylase D. Sucrose

Description : Oils and fats are (a) Glyceryl esters of higher fatty acids (b) Acetyl esters of higher fatty acids (c) Ethyl esters of fatty acids (d) Methyl esters of fatty acids

Last Answer : Ans:(a)

Description : Enzymes are – (1) Proteins (2) Minerals (3) Oils (4) Fatty acids

Last Answer : (1) Proteins Explanation: Enzymes are biological molecules (proteins) that act as catalysts and help complex reactions occur everywhere in life. They are in general globular proteins. They speed up reactions by providing an alternative reaction pathway of lower activation energy.

Description : Drying oils contain a fairly large proportion of – (1) fats (2) proteins (3) saturated fatty acids (4) unsaturated fatty acids

Last Answer : (4) unsaturated fatty acids Explanation: They contain a high percentage of "polyunsaturates" (polyunsaturated fatty acids). Most drying oils owe their drying properties to the presence of a large percentage of linolenic acid (which derives its name from "linseed"), which is highly unsaturated.

Description : The process of neutralizing the fatty acids present in the oils or fats by adding sodium

Last Answer : hydroxide is called saponification.

Description : Which of the following statements is not true about triacylglycerols? (a) When solids and semisolids at room temperature, they are called fats. (b) When liquids at room temperature, they are ... low melting points are composed of saturated fatty acids, causing them to be liquids at room temperature

Last Answer : Triacylglycerols with low melting points are composed of saturated fatty acids, causing them to be liquids at room temperature

Description : The basic constituent of vegetable oils is (A) Triglyceride (B) Fatty acids (C) Fatty alcohol (D) Mono esters

Last Answer : (A) Triglyceride

Description : Enzymes are (1) Proteins (2) Minerals (3) Oils (4) Fatty acids

Last Answer : Proteins

Description : Drying oils contain a fairly large proportion of (1) fats (2) proteins (3) saturated fatty acids (4) unsaturated fatty acids

Last Answer : unsaturated fatty acids