WorksheetsFOOD TESTS
Total questions: 15
Worksheet time: 7mins
Presence of vit C is tested using
DCPIP
Benedicts solution
Ethanol
Biuret
Which of the following tests for starch?
Iodine
Benedict's
Biuret
Emulsion
Which of the following tests for protein?
Iodine
Benedicts
Biuret
Emulsion
Which of the following tests for glucose?
Iodine
Benedicts
Biuret
Emulsion
Which macro molecule is starch an example of?
Lipid
Carbohydrate
Protein
When starch is present iodine turns...
purple
blue-black
orange
brick red
When protein is present Biuret turns...
purple
blue-black
orange
brick red
A negative test for protein will cause Biuret to stay...
brick red
blue
black
orange
A negative test for glucose will cause Benedicts to stay...
brick red
blue
black
orange
What is a positive result for the lipid emulsion test?
milky white colour
clear
yellow
green
The test tubes in the photo represent a negative and positive result for
Benedict's with glucose
Biuret with protein
Iodine with starch
Ethanol with fat
We need lipids to
build cell walls
build cell membranes
make the nucleus
make the cytoplasm
The monomers of lipids are:
fatty acid and amino acids
glucose and glycerol
glucose and amino acids
fatty acids and glycerol
