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A saturated fat is one in which all of the fatty acid chains are single-bonded. Glycerides are made up of two types of smaller molecules: a glycerol backbone and fatty acids, which each have a long linear or branched chain of carbon atoms.
- Fat has a melting point of ________ and oil has a melting point of .
Higher, higher a) Lower, lower
- b) Lower, lower
- c) Lower, lower
- d) Lower, higher
The answer is c.
Explanation: The melting point of fat is higher than that of oil. Healthy fats contain a high proportion of monounsaturated and polyunsaturated fats, as well as a low proportion of saturated fats.
- Which of the following is a good example of a fat?
- a) Glyceryl trioleate
- b) Vegetable ghee
- c) Coconut oil
- d) Groundnut oil
Solution: b is correct
Explanation: Ghee is an example of a fat. Oils include glyceryl trioleate, coconut oil, and groundnut oil.
- Choose the incorrect statement from the list below.
- a) Oils are triglycerides that have been saturated.
- b) Oils have lower melting points
- c) Oils are liquid at room temperature
- d) Glyceryl trioleate, coconut oil, olive oil, and other oils are examples of oils.
Solution: a is correct
Explanation Oils are partially unsaturated triglycerides that have a lower melting point and are liquid at room temperature.
- Which of the following is not an appropriate solvent for oils and fats?
- a) Benzene
- b) CCl4
- c) CHCl3
- d) Water
solution: d is correct
Explanation: Oils and fats dissolve in organic solvents such as benzene, CCl4, CHCl3, and others.
- Oils and fats are excellent heat and electricity conductors.
- a) True
- b) False
solution : b is correct
Explanation: Oils and fats are poor conductors of heat and electricity. They do not permit the passage of heat or electricity.
- Saponification is a type of hydrolysis.
- a) By alkalis
- b) In human digestive tracts
- c) By acids
- d) By salts
Solution: a is correct
Explanation: The alkaline hydrolysis of fatty acid esters is known as saponification. Saponification is the chemical reaction that occurs when any fat reacts with sodium hydroxide.
- Which of the following acts as a catalyst in human digestive tracts?
- a) Lewis acid
- b) Lewis base
- c) Hydrogen peroxide
- d) Lipases.
d is the correct answer
Explanation: Lipases are enzymes that act as a catalyst in the hydrolysis of proteins in human digestive tracts.
- Hydrogenation is the use of a catalyst to convert unsaturated acid groups into saturated acid groups.
- a) Ti
- b) Pb
- c) Ni
- d) Sn
C is the correct answer
Explanation: Hydrogenation is the process by which unsaturated acid groups are converted to saturated acid groups utilising a metal catalyst such as nickel (Ni).
- Vegetable ghee is produced through the following processes:
- a) saponification
- b) hydrogenation
- c) oxidation polymerisation
- d) reduction polymerisation
Solution: b is the correct answer
Explanation: Vegetable ghee is produced through hydrogenation. However, due to the trans fatty acid issue, partial hydrogenation is no longer feasible.
- Hydrogenolysis is a chemical reaction that results in the reduction products of .
- a) Aldehyde
- b) Ketone
- c) Alcohol
- d) Ester
c.) is the correct answer
Answer: c Explanation: Hydrogenolysis is a chemical reaction that produces glycerol and alcohol reduction products.
- Vegetable ghee is produced through the process of frying.
(a) Reduction polymerization is a type of polymerization that reduces the amount of polymer produced.
(b) oxidation polymerization is a type of polymerization in which oxygen is oxidised to form a polymer.
(c) the process of hydrogenation
(d) Saponification is the process of turning water into soap.
The correct answer is: (c)
- This is an illustration of a fatty
(a) Groundnut oil (also known as ghee)
(b) Coconut oil is a type of oil.
(c) Ghee made from vegetables
(d) Glyceryl trioleate is a fatty acid derived from glyceryl trioleate.
The correct answer is: (c)
- This is the role of dietary fat, to summarise.
(a) transmits information to cells
(b) is found as a component of cellular membranes
(c) In addition, it supplies the body with energy.
(d) all of the foregoing
The correct answer is: (d)
- The exogenous lipoprotein pathway is responsible for the production of this lipoprotein.
(a) Lipoproteins with a low density of lipoproteins
(b) Chylomicrons are a type of protein.
- c) very low density lipoproteins (VLDLs)
(d) Lipoproteins with a high density of lipids
The correct answer is: (b)
(15) Choose the erroneous statement.
(a) Examples of oils include coconut oil, glyceryl trioleate, olive oil, and other similar substances.
(b) Oils are liquids when stored at room temperature.
(c) Oils have lower melting points than water.
(d) Oils are triglycerides that have been saturated.
The correct answer is: (d)
16 This is supported by evidence from de novo fatty acid production.
(a) Only occurs after a period of prolonged fasting
(b) a high intake of dietary fat
(c) substrates with extra energy giving properties
(d) Depletion of energy-producing substrates
The correct answer is: (c)
- The majority of animal fats are
(a) The spherical shape
(b) a straight line
(c) a state of saturation
(d) unsaturated fatty acids
The correct answer is: (c)
- Hydrogenation is the process of converting unsaturated acid groups into saturated acid groups with the help of a catalyst.
(a) Sn
(b) Ni is a metal.
(c) Lead (Pb)
(d) Ti
The correct answer is: (b)
- Saturated fats are a form of fat in which the fatty acids have high levels of saturated fat.
(a) Coordinate covalent bonds are a type of covalent bond.
(b) triple bonds are a type of bond that is made up of three atoms.
(c) Double bonds are used.
(d) Single bonds are a type of bond that is made up of only one atom.
The correct answer is: (d)
- oleic acid is an example of
(a) Fatty acids that are inert
(b) fatty acids that are neutral in nature
(c) Monounsaturated fatty acids
(d) Saturated fatty acids
The correct answer is: (c)
