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Unit 2 Review- What is Life?

Total questions: 76

Worksheet time: 3hrs 40mins

Name
Class
Date
1.
What is the most basic unit of life?
a)
cell
b)
tissue
c)
organ
d)
organ system
2.

Reproduction that only involves one parent and all offspring are identical; for example, binary fission of bacteria or amoebas.

a)

Asexual

b)

Sexual

c)

Division

d)

Addition

3.
When a baby kitten becomes an adult cat, this is an example of...
a)
energy metabolism
b)
growth and development
c)
response to stimuli
d)
having cells
4.

Reproduction that involves cells from two parents uniting to produce the first cell of a new organism.

a)

Asexual

b)

Sexual

c)

Budding

d)

Division

5.

Living things are based on a universal genetic code. What molecule is responsible for that code?

a)

RNA

b)

Lipid

c)

Protein

d)

DNA

6.

Maintaining a stable internal environment is called

a)

homeostasis

b)

equilibrium

c)

balance

d)

evenness

7.

Identify the characteristic: Green plants produce their own food through the process of photosynthesis.

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

8.

Identify the characteristic: A camel has eyelashes that work to keep the dust and sand out of its eyes.

a)

All living things adapt/respond to their environment

b)

All living things grow

c)

All living things have cells

d)

All living things use energy

9.
Which of the following is NOT a characteristic shared by all living organisms?
a)
Ability to move
b)
Ability to grow and develop
c)
Made up of one or more cells
d)
Responds to stimuli
10.
Which of the following characteristics of living things best explains why your legs and arms get longer and stronger as you get older?
a)
You grow and develop.
b)
You maintain homeostasis.
c)
Your cells contain genetic information.
d)
You display organization.
11.
You should always carry the microscope by the
a)
arm and base
b)
arm and body tube
c)
arm only
12.
When looking at a specimen on your slide, you should always start with the
a)
low objective lens
b)
medium objective lens
c)
high objective lens
13.
When looking through your microscope, you move your slide to the right- It appears
a)
to move to the right
b)
to stay the same
c)
to move to the left
14.
When looking through your microscope, you move your slide to the right- It appears
a)
to move to the right
b)
to stay the same
c)
to move to the left
15.
The _______focuses the image under low power.
a)
revolving nosepiece
b)
fine adjustment knob
c)
coarse adjustment knob
16.
A compound light microscope will use _______ or more lenses at the same time.
a)
1
b)
2
c)
3
17.
The__________ sharpens the image under high magnification.
a)
revolving nosepiece
b)
fine adjustment knob
c)
coarse adjustment knob
18.
Magnifies the image (usually 10x) and you look into the scope here.
a)
Eyepiece/ Ocular
b)
arm
c)
low power objective
d)
fine adjustment
19.
Secures the slide in position for holding and viewing
a)
stage
b)
light source
c)
stage clips
d)
coarse adjustment knob
20.
Supports and holds the slide
a)
eyepiece/ ocular
b)
arm
c)
base
d)
stage
21.
Controls the amount of light allowed to pass through the specimen
a)
diaphragm
b)
light source
c)
stage clips
d)
fine adjustment
22.
Name a scientist who made a microscope.
a)
Robert Hooke
b)
Bill Nye 
c)
Robert Frost
d)
Tim and Moby
23.
Magnification is determined by . . . .
a)
multiplying ocular and objective magnifications
b)
adding ocular magnification and stage height
c)
adding ocular and objective magnifications
d)
multiplying objective magnification and diaphragm power
24.
Find the total magnification: 
Ocular lens = 10x  
Objective lens = 55x 
a)
10x
b)
55x
c)
65x
d)
550x
25.
This is the term given to the area you can see under the microscope.
a)
field of view
b)
stage
c)
ocular lens
d)
objective lens
26.

The largest field of view shown is under the total magnification _____X.

a)

40

b)

100

c)

400

27.

This microscope transmits a beam of electrons through a very thinly sliced specimen

a)

Compound light microscope

b)

Scanning Electron Microscope

c)

Transmission Electron Microscope

d)

Eyepiece

28.

What does it mean to make the object become clearer, sharper, or more in focus?

a)

magnification

b)

resolution

29.
Which of the following statements is not part of the cell theory?
a)
Cells are the basic unit of structure and function in all living things.
b)
All cells are produced from other cells.
c)
Only animal cells are composed of cells.
d)
All living things are composed of cells.
30.
Which of the following scientists contributed to the cell theory?
a)
Rudolf Virchow, Robert Hooke, Anton van Leuwenhoek
b)
Matthais Schleiden, Theodor Schwann, Rudolf Virchow
c)
Robert Hooke, Theodor Schwann, Anton von Leuwenhoek
d)
Theodor Schwann, Matthais Schleiden, Robert HookeOption 4 (optional)
31.
The ___ is the basic unit of sturucture and function of organisms
a)
atom
b)
cell
c)
matter
d)
all other answers are correct
32.
Who looked at cork and named the cell?
a)
Robert Hooke
b)
Van Leeuwenhoek
c)
Robert Brown
d)
Francesco Redi
33.

The endosymbiotic theory most directly explains which of the following

a)

Mitochondria and chloroplast have small, prokaryotic ribosomes

b)

DNA in chloroplasts code for some proteins

c)

Some bacteria develop resistance to antibiotics

d)

Bacteria contain a single circular chromosome

34.
The absorption of nutrients is determined by...
a)
The cell's volume
b)
The cell's surface area
c)
The cell's ribosomes
d)
The cell's DNA
35.
The amount of nutrients needed is determined by...
a)
The cell's volume
b)
The cell's surface area
c)
The cell's Rough ER
d)
The cell's Smooth ER
36.
Which cells are more efficient at obtaining nutrients?
a)
Small Cells
b)
Medium Size Cells
c)
Large Cells
d)
X-Large Cells
37.
As a cell becomes larger, its
a)
surface area increases faster than its volume.
b)
volume increases faster than its surface area
38.
High Surface area to volume ratio allows cells to do what quickly?
a)
Move materials around inside the cell
b)
Move materials in and out of the cell 
c)
Communicate to other cells
d)
Divide
39.

Which of the following is least efficient?

a)

A

b)

B

c)

C

d)

D

40.

Which of the following has the largest surface area to volume ratio?

a)

A

b)

B

c)

C

d)

D

41.
Viruses are...
a)
prokaryotic
b)
eukaryotic
c)
non-living
d)
endospores
42.
How does a virus cause a person to develop the common cold?
a)
invades the host cell to reproduce
b)
removes energy from the host cell
c)
produces toxins in the host cell
d)
protects the host cell from bacteria
43.
One reason that viruses are considered to be nonliving is that they are not made of ______.
a)
protein
b)
viruses
c)
bacteria
d)
cells
44.
When a virus invades a living cell, its _______
takes over the cell's functions.
a)
outer coat
b)
genetic material
c)
core
d)
cytoplasm
45.
What part of the phage is the DNA?
a)
A
b)
B
c)
C
d)
D
46.
What do viruses need to reproduce?
a)
they need genetic material
b)
They need a host cell
c)
They need  bacteria
d)
They need insulin
47.
How could you describe the size of a virus?
a)
Smaller than bacteria
b)
Larger than a parasite
c)
About the size of a dime
d)
Smaller than a proton
48.
What part of the virus is number 3?
a)
Capsid
b)
DNA
c)
Surface Markers
d)
Envelope
49.

The Lytic cycle consists of......

a)

Using a host cell to manufacture more candy; rainbows burst out of the cell

b)

Using a host cell to manufacture more viruses; viruses burst out of the cell

c)

Not using a host cell to manufacture more viruses; infecting it from within remaining dormant until it is triggered.

d)

Incorporating the viral genome (DNA) into the host genome (DNA) infecting it from within remaining dormant until it is triggered.

50.

The Lysogenic cycle consists of......

a)

Using a host cell to manufacture more candy; rainbows burst out of the cell

b)

Using a host cell to manufacture more viruses; viruses burst out of the cell

c)

Not using a host cell to manufacture more viruses; infecting it from within remaining dormant until it is triggered.

d)

Incorporating the viral genome (DNA) into the host genome (DNA) infecting it from within remaining dormant until it is triggered.

51.

Prokaryotic cells do NOT have membrane bound organelles or ______________________________.

a)

cytoplasm

b)

a nucleus

c)

ribosomes

d)

DNA

52.
Microscopic single-cells that do not have a nucleus or other membrane-bound organelles. 
a)
DNA
b)
RNA
c)
Eukaryotes
d)
Prokaryotes
53.
Bacteria exchange genetic information during 
a)
asexual reproduction
b)
binary fission
c)
conjugation
d)
photosynthesis
54.
The ecological roles filled by prokaryotes include all of the following except
a)
decomposers
b)
producers
c)
scavengers
d)
nitrogen fixers
55.
What is the flagella used for?
a)
eating
b)
reproduction
c)
movement
d)
communicating
56.
What are the pili used for?
a)
connecting to another bacteria
b)
eating another bacteria
c)
communication
d)
movement
57.
Bacteria that are considered "extremophiles" because of the harsh environments they inhabit are in the kingdom
a)
Archaebacteria
b)
Eubacteria
c)
both kingdoms
58.
The segment of DNA that is shared between bacteria during conjugation is called the 
a)
bacteriophage
b)
prophage
c)
capsid
d)
plasmid
59.

Structure C is the

a)

chromatin

b)

plasmid

c)

pili

d)

cell wall

60.

Structure E is the

a)

chromatin

b)

plasmid

c)

cell membrane

d)

cell wall

61.

How long ago did the first life (bacteria) appear on Earth?

a)

200 years ago

b)

2,000 years ago

c)

2 million years ago

d)

2 billion years ago

62.
Animal, fungi, plant, and protista cells are all examples of which type of cell?
a)
Eukaryotic
b)
Prokaryotic
c)
Both prokaryotic and eukaryotic
63.
The main difference between prokaryotic and eukaryotic cells? 
a)
Prokaryotic cells have a cell membrane but eukaryotic cells do not.
b)
Eukaryotic cells contain DNA in a nucleus while prokaryotic cells do not.
c)
Eukaryotic cells have flagella but prokaryotic cells do not.
d)
Prokaryotic cells contain membrane-bound ribosomes while eukaryotic cells do not. 
64.
What structures distinguish a plant cell from an animal cell?
a)
Plant cells have cell walls and ribosomes.
b)
Plant cells have cell walls and chloroplasts.
c)
Plant cells have chloroplasts and ribosomes.
d)
Plant cells have chloroplasts and mitochondria.
65.

A cell has a cell wall and chloroplasts. What kind of cell is this?

a)

Prokaryotic

b)

Eukaryotic

c)

Plant

d)

Animal

66.

A cell has a cell wall but no nucleus or chloroplasts. What kind of cell is it?

a)

Prokaryotic

b)

Eukaryotic

c)

Plant

d)

Animal

67.

A cell biologist finds a cell without chloroplasts, but it still contains a nucleus, cell membrane, and a cytoplasm. What kind of cell is this?

a)

Prokaryotic

b)

Eukaryotic

c)

Plant

d)

Animal

68.

Which cell is a prokaryote

a)
b)
c)
d)
69.

Which cell is a eukaryote?

a)
b)
c)
d)
70.

What structures do all cells have in common?

a)

cytoplasm

b)

Ribosomes

c)

DNA

d)

cell membrane

e)

nucleus

71.

What do plant cells have that animal cells do not?

a)

Chloroplasts

b)

Cell wall

c)

Large vacuoles

d)

Nucleus

e)

ribosomes

72.

What are the levels of Biological organization in order from broadest to most specific

a)

Biosphere - community - ecosystem - population - organism

b)

Organism - population - community - ecosystem - organism

c)

Organism - community - population - ecosystem - Biosphere

d)

Biosphere - ecosystem - community - population - organism

73.

The heart is an organ because it is a group of _____________ working together.

a)

organelles

b)

cells

c)

tissues

d)

systems

74.

Choose the correct order of organization from simplest to most complex.

a)

tissues --> cells --> organs --> organism --> organ system

b)

organism --> organ system --> organs --> tissues --> cells

c)

organs --> organ system --> tissues --> organism --> cells

d)

cells --> tissues -->organs --> organ systems --> organism

75.

Choose the correct order of organization from most complex to simplest.

a)

tissues --> cells --> organs --> organism --> organ system

b)

organism --> organ system --> organs --> tissues --> cells

c)

organs --> organ system --> tissues --> organism --> cells

d)

cells --> tissues -->organs --> organ systems --> organism

76.

Which of the following examples is correctly matched with its level of organization?

a)

A monarch butterfly is an organ system.

b)

The brain is a type of tissue.

c)

A mitochondrion is an organelle.

d)

A liver is a type of cell.

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