Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 2abcd revision

Total questions: 63

Worksheet time: 1hrs 19mins

Name
Class
Date
1.
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
2.
At high temperatures enzyme activity declines because of:
a)
Denaturation
b)
Decreased Kinetic Motion
c)
Increased H-Bonding
d)
Dissociation of Ionic Compounds
3.
Most enzymes have the ending:
a)
-ase
b)
-ose
c)
-ic acid
d)
-ate
4.
The molecule an enzyme is working on is called the:
a)
Substrate
b)
Solvent
c)
Allosteric Inhibitor
d)
CoEnzyme
5.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
6.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusablility
b)
denaturation
c)
specificity
d)
fragility
7.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
8.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
9.

Which organelles are only found in a plant cell?

a)

cell wall, vacuole, nucleus

b)

cell wall, chloroplast, cytoplasm

c)

cell membrane, chloroplast, vacuole

d)

cell wall, vacuole, chloroplast

10.

Which organelle is the where photosynthesis occurs?

a)

vacuole

b)

cell wall

c)

chloroplast

d)

cell membrane

11.

Diffusion is the movement of particles from an area of...

a)

high to higher concentration

b)

low to high concentration

c)

high to low concentration

d)

low to lower concentration

12.

Which organelle controls the movement of substances in and out of the cell?

a)

cell membrane

b)

cell wall

c)

cytoplasm

d)

chloroplast

13.

Cells that have adaptations to allow them to perform a specific function are known as...

a)

tissues

b)

organs

c)

specialised

d)

differentiated

14.

What is the function of the red blood cell?

a)

carry glucose

b)

carry oxygen

c)

carry carbon dioxide

d)

carry water

15.

What is the correct levels of organisation?

a)

organ, organ system, tissue, cell, organism

b)

tissue, cell, organ, organ system, organism

c)

cell, tissue, organ, organ system, organism

d)

cell, tissue, organ, organism, organ system

16.

What are classified as biological catalysts when breaking food down further in the digestive system?

a)

epithelial cells

b)

endoplasmic reticulum

c)

eukaryotic cells

d)

enzymes

17.

Fungi, plants, and animals are all

a)

unicellular

b)

multicellular

c)

producers

d)

prokaryotes

18.

Plants make their own food through photosynthesis, therefore they are

a)

producers

b)

heterotrophs

c)

omnivores

d)

decomposers

19.

What does it mean to be a eukaryote?

a)

has a membrane-bound nucleus

b)

does not have a membrane-bound nucleus

c)

is unicellular

d)

makes its own food

20.

True or false: Fungi are prokaryotic.

a)

True

b)

False

21.

What makes fungi different from plants?

a)

Their chloroplasts are located on the cap rather than the leaves.

b)

Their cell walls are made of chitin rather than cellulose.

c)

Fungi can only live in moist places while plants can live anywhere.

22.
Bacteria are prokaryotes which means they
a)
have a nucleus on their capsule
b)
do not contain a nucleus
c)
can live in environments with and without oxygen
23.
The outer covering of a bacteria cell is called the
a)
flagella
b)
cytoplasm
c)
cell wall 
24.
A disease causing organism
a)
pathogen
b)
poison
c)
vaccine
25.
The mouth contains salivary glands which produce
a)
polysaccharides
b)
amylases
c)
proteases
d)
lipases
26.
Which enzyme below is involved in the following chemical digestion process?
STARCH---->MALTOSE
a)
Lipase
b)
Salivary amylase
c)
Pepsin
d)
Trypsin
27.
Which enzyme below is involved in the following chemical digestion process?
FATS---->FATTY ACIDS/GLYCEROL
a)
Lipase
b)
Trypsin
c)
Amylase
d)
Pepsin
28.

Which of the following tests for starch?

a)

Iodine

b)

Benedict's

c)

Biuret

d)

Emulsion

29.

Which of the following tests for protein?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

30.

Which of the following tests for glucose?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

31.

When starch is present iodine turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

32.

When protein is present Biuret turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

33.
When large amounts of glucose is present Benedicts turns...
a)
purple
b)
blue-black
c)
brick-red
d)
green
34.

A negative test for protein will cause Biuret to stay...

a)

brick red

b)

blue

c)

black

d)

orange

35.

A negative test for glucose will cause Benedicts to stay...

a)

brick red

b)

blue

c)

black

d)

orange

36.

In this experiment, you must put your test tubes into a hot water bath

a)

Benedict's Test

b)

Biurets Test

c)

Iodine Test

d)

Ethanol Emulsion Test

37.

The building blocks of proteins are

a)

carbohydrates

b)

amino acids

c)

sugars

d)

fatty acids

38.

This photo represents a

a)

negative test for glucose

b)

negative test for protein

c)

positive test for starch

d)

positive test for glucose

39.

The test tubes in the photo represent a negative and positive result for

a)

Benedict's with glucose

b)

Biuret with protein

c)

Iodine with starch

d)

Ethanol with fat

40.

The building blocks of lipids are

a)

Starches

b)

Fatty acids and Glycerol

c)

Sugars

d)

Amino Acids

41.

The building blocks of starch are

a)

glycerol

b)

amino acids

c)

sugars

d)

fatty acids

42.
Which biomolecule does Benedict's solution test for?
a)
simple carbohydrate (monosaccharides)
b)
complex carbohydrates (polysaccharides)
c)
proteins
d)
lipids
43.
Which biomolecule turns iodine solution black?
a)
complex carbohydrate (polysaccharide)
b)
protein
c)
simple carbohydrate (monosaccharide)
d)
lipid
44.
Which reagent is used to test for lipids?
a)
iodine solution
b)
Benedict's solution
c)
Biuret solution
d)
Sudan III solution
45.
Tara conducted several tests on a mystery solution.  Her results were as follows:
*Biuret's = purplish/violet; *Benedict's = orange;  *Sudan III = yellow; *Iodine = black.
Which biomolecules were present in the mystery solution?
a)
protein & carbohydrate
b)
protein & lipid
c)
carbohydrate & lipid
d)
protein, carbohydrate, & lipid
46.

The student sitting next to you just came from gym class and forgot to shower and you can tell. is this diffusion, osmosis or active transport?

a)

diffusion

b)

osmosis

c)

active transport

47.

One way to get rid of slugs in your garden is to sprinkle salt on them, so they shrivel up. Is this diffusion, osmosis or active transport?

a)

diffusion

b)

osmosis

c)

active transport

48.

Gargling with salt water when you have a sore throat causes your swollen throat cells to shrink and feel better. Is this diffusion, osmosis or active transport?

a)

diffusion

b)

osmosis

c)

active transport

49.

Oxygen molecules move from the air sacs in the lungs across the cell membranes into the blood. Is this diffusion, osmosis or active transport?

a)

diffusion

b)

osmosis

c)

active transport

50.

Robert sprays water on the veggies in the produce section to “plump them up”. Is this diffusion, osmosis or active transport?

a)

diffusion

b)

osmosis

c)

active transport

51.

You put raisins in a glass of water and they plump up. Is this diffusion, osmosis or active transport?

a)

diffusion

b)

osmosis

c)

active transport

52.
The picture is an example of...
a)
active tranport
b)
passive transport
c)
diffusion
d)
osmosis
53.
Solutes move against the concentration gradient
a)
Passive Transport
b)
Active Transport
54.

Two Erlenmeyer flasks are arranged as the diagram below. After several minutes, all of Erlenmeyer flasks are filled up by glucose solution. Why did it happen?

a)

It happens because of diffusion

b)

It happens because of osmosis

c)

It happens because of gravitation force

d)

It happens because of shaking hands

55.

Diffusion is the net movement of molecule from a region of ...1...to region of ...2....

a)

1: lower concentration, 2: higher concentration

b)

1: higher concentration, 2: lower concentration

c)

1: lower concentration, 2: lower concentration

d)

1: higher concentration, 2: higher concentration

56.

Osmosis is the passage of ...1... molecules from a region of their higher concentration to a region of their lower concentration through a ... 2 ... permeable membrane

a)

1: sugar, 2: completely

b)

1: sugar, 2: partially

c)

1: water, 2: completely

d)

1: water, 2: partially

57.

The diagram shows two chambers with different concentration of molecules separated by a selectively permeable membrane. Predict what will happen to the water molecules ?

a)

move from B to A due to diffusion

b)

move from B to A due to osmosis

c)

move from B to A due to active transport

d)

move from A to B due to osmosis

58.

Active transport is movement of particles through the cell membrane from a region of ...1... to a region of ...2... using energy in the form of ...3...

a)

1: lower concentration, 2: higher concentration, 3: NADPH

b)

1: higher concentration, 2: lower concentration, 3: NADPH

c)

1: higher concentration, 2: lower concentration, 3: ATP

d)

1: lower concentration, 2: higher concentration, 3: ATP

59.

Which of the following is a sample of active transport?

a)

movement of oxygen from alveoli into red blood cell

b)

movement of water across cell membrane

c)

plant root absorbing mineral ions from the soil

d)

uptake of water by the root hair of the plant

60.

Which of the following is a sample of osmosis?

a)

plant root absorbing mineral ions from the soil

b)

the scent from a bunch of flowers spreads throughout a room

c)

carbon dioxide move from air into leaves through stomata.

d)

plant root absorbing water from the soil

61.

The diagram shows an experiment using a potato. Which shows the result of the experiment after 24 hours?

a)
b)
c)
d)
62.

This plasmolysis condition happen if we put plant cell in ....solution

a)

hypotonic

b)

isotonic

c)

elektronic

d)

hypertonic

63.

This red blood cell swell and burst in a ....solution

a)

hypotonic

b)

isotonic

c)

elektronic

d)

hypertonic

Similar Resources on Wayground

H Disease Diagram Practice

64 questions

H Disease Diagram Practice

quiz

Worksheet

•

9th - 12th Grade

36. Space, celestial objects and the origin of the universe

58 questions

36. Space, celestial objects and the origin of the universe

quiz

Worksheet

•

7th - 10th Grade

SVA and Graphs Review

60 questions

SVA and Graphs Review

quiz

Worksheet

•

8th - 10th Grade

Physical & Mental Health

63 questions

Physical & Mental Health

quiz

Worksheet

•

9th - 12th Grade

Quiz #1 - Safety and CER

58 questions

Quiz #1 - Safety and CER

quiz

Worksheet

•

6th Grade - University

Earth Systems

67 questions

Earth Systems

quiz

Worksheet

•

7th Grade - University

Chemical Bonding Comprehensive Review

61 questions

Chemical Bonding Comprehensive Review

quiz

Worksheet

•

8th Grade - University

HSLC 2024: General Science MCQ Revision Test 5 E

65 questions

HSLC 2024: General Science MCQ Revision Test 5 E

quiz

Worksheet

•

10th Grade