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WorksheetsWorksheet 7.6
Total questions: 11
Worksheet time: 3hrs 45mins
Which of the following tests for starch?
Iodine
Benedict's
Biuret
Emulsion
When starch is present iodine turns...
purple
dark blue
orange
brick red
When there is no starch in a food sample, caused Iodine to stay...
orange/yellow
blue
black
brick red
If you drop iodine solution on bread, it changes to Black. What does this show?
Bread contains protein
Bread contains sugar
Bread contains starch
Bread contains lipids?
When Starch is present Iodine Solution turns...
Clear
Cloudy/White
Dark blue
Orange
This solution is change into dark blue when mixes up with the food. Name the solution and the food.
Starch
Iodine
Protein
Millon's reagent
Benedict
If the starch is present, the colour of iodine changes from what to what?
blue to black
orange to red
yellow to dark blue
yellow to pink
what is the function of iodine solution?
to indicate glucose
to indicate protein
to indicate starch
to indicate fat
These cells were clear until they were mixed with Iodine. What do these cells contain?
glucose
proteins
starch
lipid
Fruit contains lots of...
protein
polypeptides
lipids
glucose and starch
