Quiz by Charlotte Willis, created more than 1 year ago

Quiz about Carbohydrates

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	Created by Charlotte Willis almost 7 years ago

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Biological Molecules -Carbohydrates

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Question 1 of 34

1

What is a Polymer?

Select one of the following:

lots of monomer glued together
large complex molecules made up of long chains of monomers
A type of carbohydrate
A secondary structure of a protein

Explanation

Question 2 of 34

1

Monomers are ❌, ❌ molecular units

Drag and drop to complete the text.

small

basic

complex

long

Explanation

Question 3 of 34

1

Most Carbohydrates are...

Select one of the following:

small
long chains
Polymers
monomers

Explanation

Question 4 of 34

1

Carbohydrates are made from Monosccharides?

Select one of the following:

True
False

Explanation

Question 5 of 34

1

Fill the blank spaces to complete the text.

The monomers which make up Carbohydrates are called and examples of these are , and .

Explanation

Question 6 of 34

1

Examples of monomers are...

Select one or more of the following:

Nucleotides
proteins
monosccharides
amino acids

Explanation

Question 7 of 34

1

Select from the dropdown lists to complete the text.

Glucose is a ( hexose, sixose, pentose ) sugar this is a ( monosaccharides, polymer, monomer, pentose sugar ) with ( 6, 5, 8, 7 ) carbon atoms in each molecule.

Explanation

Question 8 of 34

2

What elements make up carbohydrates?

Select one or more of the following:

Carbon
Hydrogen
Oxygen
Potassium
Calcium
Sodium

Explanation

Question 9 of 34

1

Fill the blank spaces to complete the text.

There are two types of glucose - they're

Explanation

Question 10 of 34

1

Drag and drop the options...

Drag the answer into the correct orange point.

a-glucose

b-glucose

protein

carbohydrate

Explanation

Question 11 of 34

1

Fill the blank space to complete the text.

The OH group on b-glucose is found on the

Explanation

Question 12 of 34

1

Select from the dropdown lists to complete the text.

Condensation reactions when two molecules join together to form a ( chemical bond, peptide bond, polymer ). HO₂ is ( added, removed ) to the reaction.

Explanation

Question 13 of 34

1

Carbohydrates bond by condensation reactions

Select one of the following:

True
False

Explanation

Question 14 of 34

1

Fill the blank spaces to complete the text.

bonds together two monosaccharides.

Explanation

Question 15 of 34

1

What sort of bond is between two monosaccharides?

Select one of the following:

Glycosidic
Peptide
Hydrogen
Glucose

Explanation

Question 16 of 34

1

Select from the dropdown list to complete the text.

A disaccharide is made up of ( 2, 3, 4, 1, 5 ) monosaccharides

Explanation

Question 17 of 34

1

Select from the dropdown lists to complete the text.

Glucose + Glucose = ( Maltose, Lactose, Fructose )
Glucose + ( Galacose, Glucose, Hydrogen, Sucrose ) = Lactose
Glucose + Sucrose = ( Fructose, Maltose, Glucose, Lactose )

Explanation

Question 18 of 34

1

Click on each orange point and write the correct answer.

FIll in the blanks...

Explanation

Question 19 of 34

1

Condensation reaction is the breaking down of glycosidic bonds to form monosaccharides.

Select one of the following:

True
False

Explanation

Question 20 of 34

1

Due to hydrolysis...

Select one or more of the following:

Water is released to split the disaccharide
water is added as it is required to split the disaccharide

Explanation

Question 21 of 34

1

Hydrolysis is the opposite of condensation reaction

Select one of the following:

True
False

Explanation

Question 22 of 34

1

How are carbohydrates broken down into monosaccharides?

Select one or more of the following:

Condensation reaction
Hydrolysis reaction
Benedict's test

Explanation

Question 23 of 34

1

Fill the blank space to complete the text.

Benedict's test is for

Explanation

Question 24 of 34

1

Sugars is the general term used for

Select one or more of the following:

Carbohydrates
Monosaccharides
Disaccharides
proteins

Explanation

Question 25 of 34

1

Benedict's test is positive for non-reducing sugars?

Select one of the following:

True
False

Explanation

Question 26 of 34

1

Reducing sugars are...

Select one of the following:

All monosaccharides and some disaccharides (maltose)
All disaccharides and some monosaccharides (Glucose)

Explanation

Question 27 of 34

1

The formula for monosaccharides isn

Select one of the following:

True
False

Explanation

Question 28 of 34

1

The formula for glucose is ❌

Drag and drop to complete the text.

C₆H₁₂O₆

C6H12O6

C₂H₄O₂

Explanation

Question 29 of 34

1

The test for reducing sugars is ❌. The positive outcome of the test is a ❌ precipitate.

Drag and drop to complete the text.

Benedict's test

Iodine test

Benedicts test but extra stages before

coloured

brick red

blue

green

colourless

Explanation

Question 30 of 34

1

Benedict's reagent is an acid solution of copper (II) sulfate?

Select one of the following:

True
False

Explanation

Question 31 of 34

1

What is the chemical name for the precipitate when a reducing sugar is heated with Benedict's reagent.

Select one of the following:

Copper (I) oxide - insoluble
Copper (I) oxide - soluble
Copper (I) sulfate - soluble
Copper (I) sulfate - insoluble

Explanation

Question 32 of 34

1

The first step to the benedict's test is...

Select one of the following:

1) Add the food sample to the test tube to be tested
1) Heat up Benedict's reagent and heat

Explanation

Question 33 of 34

1

WHat are the second and third steps to Benedict's test?

Select one or more of the following:

2) Add Benedict's Reagent
3) Heat the mixture in a gently boiling water bath for 5 mins
2) Heat the food sample for 5mins
3) Add Benedict's reagent to the hot food sample
3) Heat the mixture in a boiling water bath for 5mins

Explanation

Question 34 of 34

1

When there is a negative test for the Benedict's test the sample remains blue?

Select one of the following:

True
False

Explanation