WorksheetsIGCSE biomolecules (pre food tests)
Total questions: 15
Worksheet time: 5mins
Which elements are common to ALL biomolecules? (select ALL that apply!)
Carbon
Hydrogen
Oxygen
Nitrogen
Sulphur
Which elements may be present in proteins, but not in carbohydrates and fats? (select ALL that apply!)
Carbon
Hydrogen
Oxygen
Sulphur
Nitrogen
Large, complex, carbohydrates are made of simple molecules known as...
glycerol
amino acids
fatty acids
sugars
Large protein molecules are made of small subunits called...
glucose
fatty acids
glycerol
amino acids
What elements are amino acids made from?
CHO
CHON
CHONP
Something else
What elements are glycerol and fatty acids made from?
CHO
CHON
CHONP
Something else
Lipid molecules are made of smaller molecules called...
Glucose and amino acids
Glycerol and fatty acids
Glucose and fatty acids
Glycogen and fatty acids
Simple sugars contain which elements?
CHO
CHON
CHONP
Something else
Cellulose is a complex carbohydrate made of glucose monomers. In which part of a cell would you find it?
Cell membrane
Nucleus
Cell wall
Chloroplast
If polymer is the general word for large molecules made up of smaller pieces, what word is the general term used for the smaller pieces?
monomer
solomer
minimer
micromer
A molecule made of lots of amino acids joined together would be a...
Protein
Starch
Lipid
Glycogen
Which of these are examples of cmplex carbohydrates made from glucose? (select ALL that apply!)
starch
cellulose
glycogen
antibody
enzyme
The cell membrane is made of large molecules called phospholipids. Which smaller molecules would you expect these phospholipids to be made from (select ALL that apply!)
Glycerol
Fatty acids
Amino acids
Glucose
Which of these are functions of proteins in the body? (select ALL that apply!)
Structure (e.g. hair and nails)
Enzymes to catalyse chemical reactions
Antibodies to help fight infections
Energy storage
Insulation
Which cellular process releases the energy from food molecules so it can be used for metabolism?
Nutrition
Digestion
Respiration
Excretion
Photosynthesis
