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WorksheetsTopic 2.3: Carbohydrates & Lipids
Total questions: 12
Worksheet time: 6mins
Which of the molecules shown would be most suitable for long-term energy storage in humans?
A
B
C
D
What type of molecule is formed by the chemical reaction shown in the diagram?
Dipeptide
Disaccharide
Diglyceride
Cellulose
The diagram shows a type of fatty acid. What type of fatty acid is shown?
Trans unsaturated
Cis unsaturated
Trans saturated
Cis saturated
The diagram shows two polysaccharides, formed from condensation of many glucose molecules. What are the names of X and Y?
X: glycogen, Y: amylose
X: amylopectin, Y: amylase
X: amylase, Y: glycogen
X: amylose, Y: amylopectin
Which type(s) of fatty acid in the diet is/are positively correlated with an increased risk of coronary heart disease?
I. Saturated
II. Trans unsaturated
III. Cis unsaturated
I only
I and II only
II only
II and III only
Which molecule represents a lipid?
A
B
C
D
A polymer of alpha-D-glucose found in plants has mostly 1,4 linkages and some 1,6 linkages. Which molecule fits this description?
Glycogen
Cellulose
Amylose
Amylopectin
Which type of reaction is the breakdown of starch into sugars?
Denaturation
Reduction
Catabolic
Condensation
The diagram shows a molecular structure.
Amino acid
Lipid
Carbohydrate
Nucleotide
Which always contains carbon, hydrogen and oxygen?
I. Carbohydrate
II. Protein
III. Fat
I and II only
I and III only
II and III only
I, II and III
What are these molecules?
A
B
C
D
Which molecule is a polysaccharide?
Cellulose
Fructose
Maltose
Sucrose
