Prepare for NEET Biology Biomolecules with MCQs & PYQs on NEET.GUIDE. Get free practice, previous year questions, and expert explanations of carbohydrates, proteins, and more.
Fatty acids with no double bonds are called:
Unsaturated
Polyunsaturated
Saturated
Hydrogenated
A triglyceride is formed from glycerol and:
One fatty acid
Two fatty acids
Three fatty acids
Four fatty acids
Which of the following is NOT a characteristic of essential fatty acids?
They are polyunsaturated fatty acids.
They are necessary for proper cell function.
They include linoleic acid and linolenic acid.
They can be synthesized by the human body.
The process of converting unsaturated fats to saturated fats is called:
Hydrolysis
Dehydration
Hydrogenation
Saponification
A lipid molecule formed by the esterification of glycerol with three fatty acids is known as a:
Monoglyceride
Diglyceride
Triglyceride
Phospholipid
Why does gingely oil remain liquid at lower temperatures, unlike some other oils?
It is rich in saturated fatty acids.
It has a high melting point.
It is composed primarily of phospholipids.
It is rich in unsaturated fatty acids with lower melting points.
A typical fat molecule is composed of:
One glycerol and three fatty acids
Three glycerols and one fatty acid
One glycerol and one fatty acid
Three glycerols and three fatty acids
Which of the following best describes the composition of a triglyceride?
One glucose molecule and three fatty acids.
One glycerol molecule and three fatty acids.
Three glycerol molecules and one fatty acid.
One glucose molecule and three amino acids.
Which component of a fat molecule contributes to its hydrophobic nature?
Glycerol backbone
Long hydrocarbon chains of fatty acids
Ester linkages
Phosphate group
