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WorksheetsCP.1 BENEDICT´S TEST FOR REDUCING SUGARS
Total questions: 14
Worksheet time: 5mins
Which of the following tests for starch?
Iodine
Biuret
Benedict´s
Emulsion
Which of the following tests for proteins?
Iodine
Benedict´s
Biuret
Emulsion
Which of the following tests for glucose?
Iodine
Biuret
Benedict´s
Emulsion
When starch is present iodine turns....
Purple
Orange
Blue-Black
Brick red
When protein is present Biuret turns.....
Purple
Orange
Blue-Black
Brick red
When large amounts of glucose is present Benedict´s turns.....
Purple
Orange
Blue-Black
Brick red
A negative test for starch will cause Iodine to stay....
Orange/red
Blue
Black
Brick red
A negative test for protein will cause Biuret to stay.....
Brick red
Orange
Blue
Black
A negative test for glucose will cause Benedict´s to stay.....
Brick-red
Blue
Orange
Black
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 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
Which reagent is used to test for lipids?
iodine solution
Biuret solution
Benedict's solution
Sudan III solution
Which biomolecules did we test for in the lab?
simple carbohydrates (monosaccharides)
proteins
complex carbohydrates (polysaccharides)
lipids
All of the above
Tara conducted several tests on a mystery solution. Her results were as follows:
*Biuret's = purplish/violet;
*Benedict's = orange;
*Sudan III = yellow;
*Iodine = black.
Which biomolecules were present in the mystery solution?
protein & carbohydrate
protein & lipid
carbohydrate & lipid
protein, carbohydrate, & lipid
