Question 1
Question
What is a Polymer?
Answer
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lots of monomer glued together
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large complex molecules made up of long chains of monomers
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A type of carbohydrate
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A secondary structure of a protein
Question 2
Question
Monomers are [blank_start]small[blank_end], [blank_start]basic[blank_end] molecular units
Question 3
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Most Carbohydrates are...
Answer
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small
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long chains
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Polymers
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monomers
Question 4
Question
Carbohydrates are made from Monosccharides?
Question 5
Question
The monomers which make up Carbohydrates are called [blank_start]monosaccharides[blank_end] and examples of these are [blank_start]glucose[blank_end], [blank_start]fructose[blank_end] and [blank_start]galactose[blank_end].
Answer
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monosaccharides
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glucose
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fructose
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galactose
Question 6
Question
Examples of monomers are...
Answer
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Nucleotides
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proteins
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monosccharides
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amino acids
Question 7
Question
Glucose is a [blank_start]hexose[blank_end] sugar this is a [blank_start]monosaccharides[blank_end] with [blank_start]six[blank_end] carbon atoms in each molecule.
Answer
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hexose
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sixose
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pentose
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6
-
5
-
8
-
7
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monosaccharides
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polymer
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monomer
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pentose sugar
Question 8
Question
What elements make up carbohydrates?
Answer
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Carbon
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Hydrogen
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Oxygen
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Potassium
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Calcium
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Sodium
Question 9
Question
There are two types of glucose [blank_start]alpha and beta[blank_end] - they're [blank_start]isomers[blank_end]
Question 10
Question
Drag and drop the options...
Answer
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a-glucose
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b-glucose
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protein
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carbohydrate
Question 11
Question
The OH group on b-glucose is found on the [blank_start]top[blank_end]
Question 12
Question
Condensation reactions when two molecules join together to form a [blank_start]chemical bond[blank_end]. HO₂ is [blank_start]added[blank_end] to the reaction.
Answer
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chemical bond
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peptide bond
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polymer
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added
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removed
Question 13
Question
Carbohydrates bond by condensation reactions
Question 14
Question
[blank_start]Condensation[blank_end] [blank_start]reactions[blank_end] bonds together two monosaccharides.
Question 15
Question
What sort of bond is between two monosaccharides?
Answer
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Glycosidic
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Peptide
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Hydrogen
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Glucose
Question 16
Question
A disaccharide is made up of [blank_start]2[blank_end] monosaccharides
Question 17
Question
Glucose + Glucose = [blank_start]Maltose[blank_end]
Glucose + [blank_start]Galacose[blank_end] = Lactose
Glucose + Sucrose = [blank_start]Fructose[blank_end]
Answer
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Maltose
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Lactose
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Fructose
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Galacose
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Glucose
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Hydrogen
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Sucrose
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Fructose
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Maltose
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Glucose
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Lactose
Question 18
Question
FIll in the blanks...
Answer
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Condensation reaction
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Hydrolysis Reaction
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Glycosidic
Question 19
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Condensation reaction is the breaking down of glycosidic bonds to form monosaccharides.
Question 20
Question
Due to hydrolysis...
Question 21
Question
Hydrolysis is the opposite of condensation reaction
Question 22
Question
How are carbohydrates broken down into monosaccharides?
Answer
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Condensation reaction
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Hydrolysis reaction
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Benedict's test
Question 23
Question
Benedict's test is for [blank_start]sugars[blank_end]
Question 24
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Sugars is the general term used for
Answer
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Carbohydrates
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Monosaccharides
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Disaccharides
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proteins
Question 25
Question
Benedict's test is positive for non-reducing sugars?
Question 26
Question
Reducing sugars are...
Question 27
Question
The formula for monosaccharides isn
Question 28
Question
The formula for glucose is [blank_start]C₆H₁₂O₆[blank_end]
Question 29
Question
The test for reducing sugars is [blank_start]Benedict's test[blank_end]. The positive outcome of the test is a [blank_start]coloured[blank_end] precipitate.
Question 30
Question
Benedict's reagent is an acid solution of copper (II) sulfate?
Question 31
Question
What is the chemical name for the precipitate when a reducing sugar is heated with Benedict's reagent.
Answer
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Copper (I) oxide - insoluble
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Copper (I) oxide - soluble
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Copper (I) sulfate - soluble
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Copper (I) sulfate - insoluble
Question 32
Question
The first step to the benedict's test is...
Question 33
Question
WHat are the second and third steps to Benedict's test?
Answer
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2) Add Benedict's Reagent
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3) Heat the mixture in a gently boiling water bath for 5 mins
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2) Heat the food sample for 5mins
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3) Add Benedict's reagent to the hot food sample
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3) Heat the mixture in a boiling water bath for 5mins
Question 34
Question
When there is a negative test for the Benedict's test the sample remains blue?