WorksheetsBiological Molecules and Food Tests
Total questions: 12
Worksheet time: 9mins
The monomer of a protein is
Fatty Acid
Glucose
Amino Acid
Glycerol
Examples of food which contain a lot of carbohydrates are:
fish, nuts, oil
bread, pasta, noodles
meat, seeds
apples, broccoli
We need lipids to
build cell walls
build cell membranes
make the nucleus
make the cytoplasm
We use ___________ to test for glucose.
Benedict's Solution
Iodine Solution
Biuret's Solution
Sudan III Solution
The monomers of lipids are:
fatty acid and amino acids
glucose and glycerol
glucose and amino acids
fatty acids and glycerol
A test for lipids is using Sudan III solution. What does a positive result look like?
Turns Purple
A red layer forms on top
A green layer forms on top
It turns black
What colour does iodine go when added to starch?
Blue/Black
Orange
Blue
Purple
Animals store carbohydrates as _____________
glucose
glycogen
starch
glycerol
Some monomers of carbohydrates are:
glucose and fructose
glycogen and glycerol
glucose and amino acids
fatty acids and fructose
Proteins are used for ______________
energy and building cell walls
growth, repair and enzymes
insulation and building cell membranes
respiration and enzymes
You need to heat the sample when testing for ________
protein
Lipids
Starch
Glucose
Plants store carbohydrates as ________
Starch
Glucose
Glycogen
Chlorophyll
