WorksheetsThe Chemical Nature of Lipids
Total questions: 15
Worksheet time: 6mins
What are the main subunits that make up triglycerides?
Glycerol and fatty acids
Sterols and phospholipids
Amino acids and glycerol
Carbohydrates and fatty acids
What is the difference between fats and oils at room temperature?
Fats are liquid and oils are solid
Fats are solid and oils are liquid
Fats are unsaturated while oils are saturated
Fats contain glycerol while oils do not
Which of the following is an unsaturated fat?
Butter
Coconut oil
Olive oil
Lard
Which of the following is a characteristic of saturated fats?
Contain only single bonds between carbon atoms
Contain one or more double bonds between carbon atoms
Are always liquid at room temperature
Have lower melting points than unsaturated fats
Which of the following is true about unsaturated fats?
They have no double bonds
They are solid at room temperature
They are liquid at room temperature
They are typically derived from animal sources
Which of the following oils is a source of saturated fats?
Canola oil
Coconut oil
Sunflower oil
Olive oil
What type of bond is found in unsaturated fatty acids that causes a 'bend' in the carbon chain?
Single bond
Double bond
Triple bond
Hydrogen bond
Which of the following fats is high in saturated fatty acids?
Butter
Canola oil
Fish oil
Olive oil
What is the main health concern associated with high intake of trans-fatty acids?
Decrease in blood sugar levels
Increase in HDL cholesterol
Increase in LDL cholesterol
Increased energy levels
Which of the following statements about the difference between saturated and unsaturated fats is correct?
Saturated fats contain more double bonds than unsaturated fats
Saturated fats are liquid at room temperature, while unsaturated fats are solid
Saturated fats have no double bonds, while unsaturated fats have one or more double bonds
Unsaturated fats are primarily found in animal products, while saturated fats are found in plant oils
Which of the following is an example of an essential fatty acid?
Oleic acid
Stearic acid
Alpha-linolenic acid (Omega-3)
Palmitic acid
Cis and trans fatty acids differ in the:
Number of carbon atoms
Arrangement of hydrogen atoms around the C=C bond
Presence of triple bonds
Types of food they are found in
Which of the following has more than one C=C double bond?
Saturated fatty acids
Monounsaturated fatty acids
Polyunsaturated fatty acids
Essential fatty acids
What is the major component of fats and oils?
Free fatty acids
Phospholipids
Triacylglycerols (TAGs)
Fat-soluble vitamins
Lipids can act as emulsifiers due to their:
Hydrophobic nature
Hydrophilic and hydrophobic parts
High melting points
Flavor enhancement properties
