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Biological Molecules & Enzymes

Authored by Louise MURDOCH

Biology

9th - 12th Grade

Used 10+ times

Biological Molecules & Enzymes
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30 questions

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1.

DRAG AND DROP QUESTION

1 min • 1 pt

​ (a)   is the test for starch. It appears​ (b)   when starch is present, and​ (c)   when starch is absent.

Iodine solution
blue/black
yellow/brown
Biuret solution
The ethanol emulsion test
Benedict's solution
blue
violet
cloudy/milky
brick-red

2.

DRAG AND DROP QUESTION

1 min • 1 pt

​ (a)   ​ is the test for protein. It appears​ (b)   when protein is present, and​ (c)   when protein is absent.

blue/black
yellow/brown
Biuret solution
The ethanol emulsion test
Benedict's solution
blue
violet
cloudy/milky
brick-red
Iodine solution

3.

DRAG AND DROP QUESTION

1 min • 1 pt

​ (a)   ​ is the test for reducing sugar. It appears​ (b)   when reducing sugar is present, and​ (c)   when reducing sugar is absent.

blue/black
yellow/brown
Biuret solution
DCPIP
Benedict's solution
blue
violet
cloudy/milky
brick-red
Iodine solution

4.

DRAG AND DROP QUESTION

1 min • 1 pt

​ (a)   ​ is the test for fats. It appears ​ (b)   when fat is present, and​ (c)   when fat is absent.

blue/black
yellow/brown
Biuret solution
DCPIP
Ethanol emulsion test
clear
violet
cloudy/milky
Iodine solution
colourless

5.

DRAG AND DROP QUESTION

1 min • 1 pt

​ (a)   ​ is the test for vitamin C. It appears ​ (b)   when Vitamin C is present, and​ (c)   when Vitamin C is absent.

blue/black
yellow/brown
Biuret solution
DCPIP
Ethanol emulsion test
blue
violet
cloudy/milky
Iodine solution
colourless

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which chemical elements are present in carbohydrates?

carbon

hydrogen

oxygen

nitrogen

phosphorous

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which chemical elements are present in fats?

carbon

hydrogen

oxygen

nitrogen

phosphorous

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