wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

=hbj5$xQ"3,x/h)9t`Y@

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

Which is the correct structure of a nucleotide?

a)
b)
c)
d)
2.

Diagram shows a molecule of an enzyme. Which of the following are suitable substrate for this enzyme?

a)
b)
c)
d)
3.

Diagram shows three structures of protein. What are structure P, Q and R?

a)

P: Primary

Q: Secondary

R: Quaternary

b)

P: Quaternary

Q: Primary

R: Secondary

c)

P: Quaternary

Q: Secondary

R: Primary

d)

P: Secondary

Q: Primary

R: Quaternary

4.

What are process X ?

a)

Hydrolysis

b)

Condensation

5.

What are process Y ?

a)

Hydrolysis

b)

Condensation

6.

Diagram Shows a process done by an enzyme. Which structure A,b, C or D represents enzyme?

a)

A

b)

B

c)

C

d)

D

7.

The following shows the formation of a sucrose molecule. What is molecule R?

a)

Glucose

b)

Lactose

c)

Fructose

d)

Galactose

8.

Which of the following are true about saturated fats?

a)

I and IV only

b)

I, II and III only

c)

II and III only

d)

II, III and IV only

9.

Diagram Shows an action done by an enzyme. What is the property shown by the diagram?

a)

Enzyme is a protein?

b)

Enzyme and substrate are specific.

c)

Enzyme are denatured by high temperature.

d)

Enzyme speeds up biochemical reaction.

10.

Diagram shows the action of an enzyme sucrase on sucrose. What are P,Q, R and S?

a)
b)
c)
d)
11.

Diagram shows a protein structure which has undergone process X. What is process X?

a)

Hydrolysis

b)

Denaturation

c)

Condensation

d)

Deamination

e)

Esterification

12.

Which characteristic of saturated fat that distinguishes them from unsaturated fats ?


Saturated fat ......

a)

do not contain cholesterol

b)

contain high propotion mass of oxygen

c)

contain only unbranched atty acids

d)

have no double bonds in their carbon atom.

13.

What is X ?

a)

Carbohydrate

b)

Protein

c)

Lipid

14.

What is Y ?

a)

Carbohydrate

b)

Protein

c)

Lipid

15.

Which one is the active site?

a)

A

b)

B

c)

C

d)

D

16.

What is process X ?

a)

Polymerization

b)

Condensation

c)

Hydrolysis

d)

Photosynthesis

e)

Cytolysis

17.

What represents P, Q and R?

a)
b)
c)
d)
18.

What is process X?

a)

Dialysis

b)

Hydrolysis

c)

Condensation

d)

Assimilation

19.

Which of the following represents the hydrolysis of protein?

a)
b)
c)
d)
20.

What is the optimum temperature for enzyme reaction in the human body?

a)

27°C

b)

37°C

c)

30°C

d)

40°C

21.

What is the level of organisation of this protein?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

22.

Which of the following is a polysaccharide?

a)

Cellulose

b)

Fructose

c)

Sucrose

d)

Glucose

e)

Starch

23.

Two shirt were stained with butter and washed with washing powder containing enzyme X at different temperature. What is the possible of enzyme X?

a)

Lipase

b)

Amylase

c)

Protease

d)

Cellulase

e)

Nuclease

24.

Two shirt were stained with butter and washed with washing powder containing enzyme X at different temperature. What is the possible temperature of P and Q ?

a)

P: 10 °C

Q: 15 °C

b)

P: 15 °C

Q: 10 °C

c)

P: 15 °C

Q: 35 °C

d)

P: 35 °C

Q: 15 °C

25.

The main components bof a plant cell are

a)

lipid and carbohydrate

b)

Protein and carbohydrate

c)

Protein and lipid

d)

Protein, lipid and carbohydrate

26.

Which of the following represents the hydrolysis of protein?

a)
b)
c)
d)
27.

Table shows elements found in the food classes X and Y. What is food class X?

a)

Carbohydrate

b)

Lipid

c)

Protein

28.

Table shows elements found in the food classes X and Y. What is food class Y?

a)

Carbohydrate

b)

Lipid

c)

Protein

29.

Hormones like testosterone and oestrogen are lipids. What is the type of lipid in testosterone and estrogen.

a)

Wax

b)

Fats

c)

Steroid

d)

Phospholipid

30.

The graph shows the optimum pH of an enzyme Y inits reaction. What is enzyme Y

a)

Salivary amylase

b)

Pepsin

c)

Trypsin

d)

Rennin

31.

What is the optimum pH salivary amylase?

a)

6.8

b)

2.0

c)

8.5

32.

Select all the enzyme that has the optimum pH of 2.0.

a)

Renin

b)

Trypsin

c)

Pepsin

d)

Albumin

33.

Which of the following is true about the enzyme and its function?

a)

Renin : Clots milk

b)

Pepsin : Emulsifies milk

c)

Trypsin : Digests fat

d)

Erepsin : Hydrolyses fat

34.

Convert soluble caseinogen into insoluble casein.


Which enzyme match the above statements?

a)

Renin

b)

Pepsin

c)

Trypsin

d)

Erepsin

35.

"Digest protein into polypeptide."


Which enzyme match the above statements?

a)

Renin

b)

Pepsin

c)

Trypsin

d)

Erepsin

36.

"Digest polypeptide into peptides."


Which enzyme match the above statements?

a)

Renin

b)

Pepsin

c)

Trypsin

d)

Erepsin

37.

"Digest peptides into amino acid."


Which enzyme match the above statements?

a)

Renin

b)

Pepsin

c)

Trypsin

d)

Erepsin

38.

The graph shows the relationship between the rate of reaction and the substrate concentration whan factor Y is varied. What is factor Y?

a)

pH

b)

Time

c)

Inhibitor

d)

Enzyme concentration

39.

Which is inorganic compound?

a)

Rice

b)

Fish

c)

Water

d)

Butter

40.

The diagram shows the polarity of water molecules. What is the effect of unequal distribution of charge of water?

a)

Water molecule can act as universal solvent.

b)

Water has the same density in solid or liquid form.

c)

Water cannot dissolve another polar molecule.

d)

Water forms a medium to transport blood.

41.

Select the elements that made up fat.

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

42.

Select the elements that made up protein.

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

43.

Which food contains saturated fat?

a)

Butter

b)

Mrgerine

c)

Corn oil

d)

Coconut oil

44.

Which of the following helps enzyme to function well?

a)

Product

b)

Cofactor

c)

Inhibitor

d)

Substrate

45.

Enzyme activity in the alimentary canal is affected by temperature. What happened when someone is experiencing high fever?

a)

Indigestion

b)

Gastritis

c)

Constipation

Similar Resources on Wayground

World History Final Exam Review

45 questions

World History Final Exam Review

quiz

Worksheet

•

6th - 8th Grade

Krajobrazy Polski cz. 2 (Klasa 5)

41 questions

Krajobrazy Polski cz. 2 (Klasa 5)

quiz

Worksheet

•

4th - 7th Grade

GEOGRAFI XI SDA tambang

46 questions

GEOGRAFI XI SDA tambang

quiz

Worksheet

•

1st - 12th Grade

Japan

45 questions

Japan

quiz

Worksheet

•

6th - 8th Grade

Latin America Geography Review

46 questions

Latin America Geography Review

quiz

Worksheet

•

6th - 8th Grade

How Geographers View the World

46 questions

How Geographers View the World

quiz

Worksheet

•

5th - 8th Grade

Greek Geography

47 questions

Greek Geography

quiz

Worksheet

•

7th Grade

5 Regions of the United States Map Use

40 questions

5 Regions of the United States Map Use

quiz

Worksheet

•

3rd - 7th Grade