Worksheetshigher biological molecules
Total questions: 19
Worksheet time: 9mins
Name
Class
Date
1.
In a carbohydrate, which of the following best describes the ratio of carbon to hydrogen to oxygen (in that order)?
a)
1:1:1
b)
2:1:1
c)
1:2:1
d)
1:1:2
2.
Which of the following tests for glucose?
a)
Iodine
b)
Benedicts
c)
Biuret
3.
Which test requires heat?
a)
Benedicts
b)
Biuret
c)
Iodine
4.
Which of the following tests for protein?
a)
Iodine
b)
Benedicts
c)
Biuret
5.
Which of the following tests for starch?
a)
Iodine
b)
Benedicts
c)
Biuret
6.
Which isomer of glucose is this?
a)
Beta glucose
b)
Alpha glucose
c)
Neither
7.
How do you test for lipids?
a)
By using Ethanol and water
b)
By using Benedicts solution
c)
By using Iodine
d)
By using Biuret test
8.
Which two polysaccharides contains 1,6 glycosidic bonds?
a)
Amylose and Amylopectin
b)
Amylopectin and Glycogen
c)
Cellulose and Glycogen
d)
Glycogen and Amylose
9.
Carbohydrates, proteins and lipid monomers are joined in reactions called...
a)
Condensation Reactions
b)
Hydrolysis Reactions
10.
Carbohydrates, proteins and lipids are broken down in reactions called...
a)
Condensation reactions
b)
Hydrolysis Reactions
11.
The bonds linking monosaccharides into polysaccharides are called
a)
Peptide bonds
b)
Glycosidic bonds
c)
Ester bonds
12.
Which branch of the amino acid determines its overall function?
a)
Amino group
b)
Hydrogen atom
c)
Carboxyl Group
d)
R group
13.
What type of fatty acid is this?
a)
Unsaturated
b)
Saturated
c)
Monounsaturated
14.
What level of protein structure is this?
a)
Primary
b)
Secondary
c)
Tertiary
d)
Quaternary
15.
a)
amino acid
b)
fatty acid
c)
glucose
d)
ribose
16.
Three fatty acids bonded to glycerol
a)
glycogen
b)
polypeptide
c)
protein
d)
triglyceride
17.
Storage form of glucose.
a)
monomer
b)
carbohydrates
c)
glycogen
d)
glycerol
18.
What is the test for reducing sugars?
a)
Biuret
b)
Ethanol
c)
Benedicts
d)
Iodine
19.
What is the colour change if you add Iodine (Brown colour) to the food contains protein?
a)
Red Brick
b)
No changes (Negative Results)
c)
Black
d)
Navy Blue
100 %
