wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

I UG-Biochemistry-CIA 2

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

One acetyl CoA yield how many ATPs

a)

  10

b)

1

c)

11

d)

12

2.

When molecules are being built by chemical reactions is called

a)

Anabolism

b)

Catabolism

c)

Fermentation

d)

Respiration

3.

  When molecules are being broken down in a chemical reaction is called

a)

   Anabolism

b)

Catabolism

c)

Fermentation

d)

  Respiration

4.

Energy from food comes as

a)

ATP

b)

ADP

c)

AMP

d)

None of these

5.

The totality of an organism's chemical reactions is called

    

a)

Catabolism

b)

Anabolism

c)

Metabolism

d)

Respiration

6.

In Eukaryotic cells, where Beta oxidation occurs?

     

a)

Adipocyl membranes

b)

The golgi apparatus

c)

The mitochondrial matrix

d)

The cytoplasm of liver cells

7.

Beta- oxidation of fatty acid gives the products

    

a)

   Acyl CoA

b)

Acetyl CoA

c)

Both a and b

d)

None of these

8.

One NADH2 produces how many ATP?

     

a)

  2   

b)

 3   

c)

  2.5     

d)

   3.5

9.

Which of the following is needed in saponification?

a)

     Strong acid

b)

Strong base

c)

Weak base

d)

Weak acid

10.

The degree of unsaturation of lipid can be measured by

      

a)

Acid number

b)

Iodine value

c)

Saponification number

d)

Reichert-Meissel number

11.

 Cabolism reaction __________ energy

      

a)

Absorb

b)

Delay

c)

Remove

d)

Release

12.

Anabolic reaction is an

      

a)

Endothermic reaction

b)

Exothermic reaction

c)

Both a and b

d)

None of these

13.

Beta-oxidation is an example for

a)

   Anabolism

b)

Catabolism

c)

Fermentation

d)

Respiration

14.

Why do water molecules attract each other?

a)

Their shape       

b)

Polarity

c)

Electron pair attraction  

d)

Molecular structure

 

15.

1.       How many atoms does a water molecule contain?

a)

2

b)

3

c)

4

d)

5

16.

The oxygen atom in addition to forming bonds with hydrogen atoms, also carries two pairs of electrons

a)

positive electrons

b)

molecules 

c)

Polarity   

d)

unshared electrons

 

17.

The plus end of Hydrogen atom associates with the minus end of oxygen atom .  These attractions are an example of

a)

Oxygen bonds

b)

Hydrogen bonds   

c)

Covalent bonds

d)

solvent bonds

 

18.

The unequal sharing of electrons in which centre of positive charge and centre of negative charge are not the same

 

a)

Dipole

b)

polar

c)

configuration

d)

bond

19.

Which of the following is the best reason why the water molecule has a bent shape?

a)

The bonded electrons attract each other, drawing the hydrogens together.

b)

The bonded electrons are smaller than the unbonded ones.

c)

The unbonded electrons take up space in a way that makes the water molecule the most stable.

d)

The unbonded electrons do not exist in pairs.

 

20.

.Which of the following is not a property of water?

a)

    Hydrogen bonds exist only in the solid state.

b)

    It can dissolve ionic and polar molecules.

c)

It has a high surface tension

d)

    The solid state is less dense than the liquid state

 

21.

Oxygen can dissolve in water because:

a)

polar water molecules induce a temporary dipole in oxygen molecules

b)

oxygen gas is made of polar molecules

c)

water is a bipolar molecule

d)

both water and oxygen gas are small molecules, so there is sufficient space for one to dissolve in the other

 

22.

Water’s unique properties arise because of its ability to form strong:

a)

covalent bonds

b)

dipole bonds

c)

hydrogen bonds

d)

ionic bonds

 

23.

Which of the following is not a property of water?

a)

Hydrogen bonds exist only in the solid state

b)

It can dissolve ionic and polar molecules.

c)

It has a high surface tension.

d)

The solid state is less dense than the liquid state.

 

24.

The tendency for water molecules to form weak bonds and stick to each other is called

 

a)

Cohesion

b)

Adhesion

c)

Capillary action  

d)

Surface tension

25.

Hydrogen bonds are strong and require a lot of energy to break

a)

True

b)

False

26.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
27.

Enzyme that catalyses the transfer of functional group of atoms from one molecule to another. This enzyme is

a)

Isomerases

b)

Transferases

c)

Oxidoreductase

d)

Lyases

28.

These enzymes bring about oxidation and reduction reactions .

a)

reductases

b)

dehydrogenases

c)

oxidases

d)

oxidoreductases

29.

It forms bonds by addition of the water component.

a)

hydrolases

b)

helicase

c)

ligase

d)

isomerases

30.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
31.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

32.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
33.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
a)
a substrate
b)
an enzyme
c)
a product
d)
an active site
34.
The area that the substrate fits into on the enzyme is called the:
a)
Active Site
b)
Allosteric Site
c)
DiSulphide Bridge
d)
β-Pleated Sheet
35.
What is the name for the mechanism of enzyme activity?
a)
Lock and key
b)
jigsaw puzzle
c)
hammer and nail
d)
two hands pattern
36.
A receptor site that a molecule can bind to that changes the shape of the active site is called a(n):
a)
Allosteric Site
b)
Active Site
c)
DiSulphide Bridge
d)
MHC Receptor
37.
At high temperatures enzyme activity declines because of:
a)
Denaturation
b)
Decreased Kinetic Motion
c)
Increased H-Bonding
d)
Dissociation of Ionic Compounds
38.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
39.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
40.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
41.
The sugar in DNA is ?
a)
sucrose
b)
glucose
c)
deoxyribose
d)
fructose
42.
The two strands of nitrogenous bases in DNA are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
43.

Informosomes are composed of

a)

mRNA and Proteins

b)

rRNA and proteins

c)

tRNA and Proteins

d)

DNA and proteins

44.

How many hydrogen bonds between A and T

a)

1

b)

2

c)

3

d)

4

45.

Renaturation process is also called as

a)

Annealing process

b)

Replication

c)

Denaturation

d)

Unwinding process

46.
The following picture must be
a)
DNA because it's double stranded
b)
RNA because it's single stranded
c)
DNA because it's single stranded
d)
RNA because it's double stranded
47.

Ribose sugar is part of...

a)

Thymine

b)

DNA

c)

RNA

d)

Adenine

48.
What are 3 types of RNA?
a)
mRNA, tRNA, rRNA
b)
aRNA, fRNA, mRNA
c)
TRNA, MRNA, RRNA
d)
MRNA, ARNA, FRNA, MRNA
49.

Which of the following is TRUE about the DNA molecule?

a)

is shaped like a double helix

b)

contains 3 types of bases

c)

contains no sugar

d)

only found in plants and animals

50.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC

Similar Resources on Wayground

NEUROANATOMIA 1

50 questions

NEUROANATOMIA 1

quiz

Worksheet

•

University

County Assessment Review

50 questions

County Assessment Review

quiz

Worksheet

•

7th Grade - University

Nuclear Reactions

52 questions

Nuclear Reactions

quiz

Worksheet

•

8th Grade - University

Modes of reproduction

51 questions

Modes of reproduction

quiz

Worksheet

•

10th Grade - University

Winter break home work-Grade 2-EVS

50 questions

Winter break home work-Grade 2-EVS

quiz

Worksheet

•

KG - Professional Dev...

Peperiksaan Sains Tingkatan 3

50 questions

Peperiksaan Sains Tingkatan 3

quiz

Worksheet

•

1st Grade - University

Sistem Koordinasi Manusia

50 questions

Sistem Koordinasi Manusia

quiz

Worksheet

•

4th Grade - University

States of Matter/Phase Changes

50 questions

States of Matter/Phase Changes

quiz

Worksheet

•

8th Grade - University