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WorksheetsFood tests RP
Total questions: 22
Worksheet time: 11mins
I am used to test for the presence of complex carbohydrates (starch)
Benedict's Test
Biurets Test
Iodine Test
Ethanol Emulsion Test
I am used to test for the presence of simple carbohydrates (sugars)
Benedict's Test
Biurets Test
Iodine Test
Ethanol Emulsion Test
I am used to test for the presence of protein
Benedict's Test
Biurets Test
Iodine Test
Ethanol Emulsion Test
I am used to test for the presence of lipids (fats)
Benedict's Test
Biurets Test
Iodine Test
Ethanol Emulsion Test
If I am positive, I will turn brick red
Benedict's Test
Biurets Test
Iodine Test
Ethanol Emulsion Test
If I am positive, I will turn dark blue/black
Benedict's Test
Biurets Test
Iodine Test
Ethanol Emulsion Test
If I am positive, I will turn purple
Benedict's Test
Biurets Test
Iodine Test
Ethanol Emulsion Test
In this experiment, you must put your test tubes into a hot water bath
Benedict's Test
Biurets Test
Iodine Test
Ethanol Emulsion Test
If I am positive, I will produce a precipitate
Benedict's Test
Biurets Test
Iodine Test
Ethanol Emulsion Test
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?
cloudy white
clear
yellow
white
This photo represents a
negative test for glucose
negative test for protein
positive test for starch
positive test for glucose
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
The building blocks of lipids are
Starches
Fatty acids and Glycerol
Sugars
Amino Acids
The building blocks of proteins are
carbohydrates
amino acids
sugars
fatty acids
The building blocks of starch are
glycerol
amino acids
sugars
fatty acids
Tara conducted several tests on a mystery solution. Her results were as follows:
*Biuret's = purplish/violet; *Benedict's = blue; *Ethanol = clear; *Iodine = black.
Which biomolecules were present in the mystery solution?
protein & carbohydrate
protein & lipid
carbohydrate & lipid
protein, carbohydrate, & lipid
What type of test is the Benedicts solution test for sugars?
Qualitative
Quantitative
Semi-Quantitative
Categorical
