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Biology Unit 1 Review

Total questions: 70

Worksheet time: 48mins

Name
Class
Date
1.
What is the most basic unit of life?
a)
cell
b)
tissue
c)
organ
d)
organ system
2.
A _____ is something in the environment that causes an organism to respond.
a)
stimulus
b)
response
c)
cause
d)
effect
3.

Living things are based on a universal genetic

code. What molecule is responsible for that code?

a)

RNA

b)

Lipid

c)

Protein

d)

DNA

4.

For single-celled organisms, _____ is

mostly an increase in size.


Multicellular organisms go through a

process called __________, where cells

divide and differentiate into different

kinds of cells.

a)

Evolve, respond to stimulus

b)

Expansion, progress

c)

Growth, development

d)

Production, evolution

5.

The combination of chemical reactions through

which an organism builds up or breaks down

materials as it carries out its life processes is called ...

a)

absorption

b)

metabolism

c)

digestion

d)

consumption

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.
The dismissal bell rings and you pack up your belongings. In this scenario, what is the stimulus?
a)
The bell ringing
b)
You packing up your belongings
c)
More information is needed
10.
Fire is living because it has 6 of the 8 characteristics of life. 
a)
True 
b)
False
11.
Multicellular means
a)
made of many cells
b)
made of one kind of cell
c)
made of only one cell
12.
In order for something to be considered a living organism, it must display _____ of the eight characteristics of living things.
a)
all
b)
some
c)
one
d)
more than half
13.
Organisms, such as bacteria, are ______________ which means they consist of only a single cell.
a)
unicellular
b)
multicellular
c)
autotrophic
d)
heterotrophic
14.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
15.
All living things ____ to make more living things.
a)
adapt
b)
develop
c)
grow
d)
reproduce
16.

Only animals respond to their environment.

a)

true

b)

false

17.
All members of which biological group require a host cell to reproduce? 
a)
Protista 
b)
Bacterium 
c)
Fung
d)
Virus
18.
Alec studied an unknown microscopic organism and recorded this information:
-it contains RNA
-it has a cell wall, but no nucleus
What is Alec most likely studying?
a)
Protista
b)
Bacterium
c)
Fungi 
d)
Virus  
19.
After learning about viruses in Biology class, Sam decides to have his cat vaccinated against feline leukemia virus.
According to cell theory, are viruses, such as feline leukemia, considered living things?
a)
Yes, because they can reproduce
b)
Yes, because they are composed of cells
c)
No, because they cannot adapt to their environment
d)
No, because they are not composed of cells.
20.
What type of cell does not have a nucleus or membrane-bound organelles?
a)
Animal Cells
b)
Plant Cells
c)
Bacterial Cells
d)
All of the Abov
21.
What are the characteristics of eukaryotic cells?
a)
Nuclues
b)
DNA
c)
Membrane-bound Organelles
d)
All of the above
22.
The protein coat that envelopes the viral genetic material is known as a __________.
a)
Viron
b)
Case
c)
Viroid
d)
Capsid
23.
What is a virus that infects a bacterium called?
a)
Virophage
b)
Bacteriophage
c)
T Cell 
d)
B C
24.

Viruses have structures that allow them to inject their genetic material directly into the DNA of the host cell. This strategy benefits the virus in that –

a)

the host cell is turned into a virus.

b)

mutations are introduced into the host cell.

c)

it is able to transform into a host cell.

d)

the virus uses the host’s machinery to replicate.

25.

A bacteriophage virus causes infection in bacteria by injecting which of the following?

a)

DNA

b)

Hormones

c)

Proteins

d)

Lipids

26.

Which of the following characteristics is shared by viruses and living cells? Both viruses and living cells –

a)

have a nucleus, as well as a cell wall.

b)

contain nucleic acids such as DNA or RNA.

c)

can replicate independently of a host cell.

d)

use organelles to perform life functions.

27.

One difference between bacteria and viruses is-

a)

bacteria respond to stimuli; viruses do not

b)

bacteria are living organisms; viruses are not.

c)

bacteria require a host cell to reproduce; viruses do not.

d)

viruses are composed of cells; bacteria are not

28.

Which statement is true about viruses?

a)

Viruses can eat and metabolize food.

b)

Viruses can reproduce only using a host cell.

c)

Viruses can reproduce on their own at any time.

d)

Viruses contain DNA, so they are alive.

29.
Viruses have all the characteristics of a living organism.
a)
true
b)
false
30.
Which is bigger, a bacteria or a virus?
a)
Bacteria
b)
Virus
31.
Antibiotics kill viruses
a)
True
b)
False
32.
What part of the phage is the DNA?
a)
A
b)
B
c)
C
d)
D
33.
Lysis is 
a)
rupture of a cell membrane
b)
replication of a virus
c)
bacterial reproduction
d)
a process that rarely happens
34.

Which type of cell has membrane-bound organelles?

a)

prokaryotic cell

b)

eukaryotic cell

c)

bacteria cell

d)

non-living cells

35.

Which type of cell has a nucleus?

a)

prokaryotic cell

b)

eukaryotic cell

c)

bacteria cell

d)

non-living cells

36.

Which type of cell free floating genetic material (DNA)?

a)

prokaryotic cell

b)

eukaryotic cell

c)

plant cell

d)

animal cell

37.

Which type of cell free floating genetic material (DNA)?

a)

prokaryotic cell

b)

eukaryotic cell

c)

plant cell

d)

animal cell

38.

Which type of cell is always a unicellular organism?

a)

prokaryotic cell

b)

eukaryotic cell

c)

plant cell

d)

animal cell

39.

Which type of cell makes up humans?

a)

prokaryotic cell

b)

bacteria cell

c)

plant cell

d)

animal cell

40.

Which type of cell makes its own food using sunlight?

a)

prokaryotic cell

b)

bacteria cell

c)

plant cell

d)

animal cell

41.

Which part of the cell acts as a boundary between the inside of the cell and the outside?

a)

cell membrane

b)

nucleus

c)

mitochondria

d)

chloroplast

e)

cell wall

42.

Which part of the cell contains the genetic material (DNA)?

a)

cell membrane

b)

nucleus

c)

mitochondria

d)

chloroplast

e)

cell wall

43.

Which part of the cell takes in nutrients and breaks them down to give the cell energy?

a)

cell membrane

b)

nucleus

c)

mitochondria

d)

chloroplast

e)

cell wall

44.

Which part of the cell gives the cell a rigid structure?

a)

cell membrane

b)

nucleus

c)

mitochondria

d)

chloroplast

e)

cell wall

45.

Which part of the cell turns sunlight into food?

a)

cell membrane

b)

nucleus

c)

mitochondria

d)

chloroplast

e)

cell wall

46.

Which TWO parts of the cell are involved in providing some form of energy for the cell?

a)

cell membrane

b)

nucleus

c)

mitochondria

d)

chloroplast

e)

cell wall

47.

What do you call the jellylike substance between the cell membrane, organelles and the nucleus that fills the "empty" space in a cell?

a)

Chromatin

b)

Chromosomes

c)

Microtubles

d)

Cytoplasm

48.

What is the largest organelle in the plant cell? It is surrounded by a membrane and functions to hold materials and wastes. It also functions to maintain cell structure and support.

a)

Chloroplasts

b)

Mitochondria

c)

Cell Wall

d)

Central Vacuole

49.

Which organelle is a network of passageways that carry materials from one part of the cell to another?

a)

Endoplasmic Reticulum

b)

Golgi Bodies

c)

Cell Membrane

d)

Ribosomes

50.

Which organelle receives proteins and other newly formed materials from the E.R., package them, and transport them to other parts of the cell?

a)

Golgi Bodies

b)

Vacuoles

c)

Chloroplasts

d)

Ribosomes

51.

What are the small organelles that function as factories that make proteins? They can be attached to the E.R. or they may float in the cytoplasm.

a)

Golgi Bodies

b)

Ribosomes

c)

Mitochondria

d)

Cetrioles

52.
What type of cell is pictured?
a)
Prokaryotic
b)
Eukaryotic
c)
Plant
d)
Animal
53.
How is this organism best classified?
a)
unicellular & eukaryotic
b)
multicellular & eukaryotic
c)
unicellular & prokaryotic
d)
multicellular & prokaryotic
54.
Some prokaryotes and eukaryotes have a cellular structure called a flagella.  What is the purpose of the flagella?
a)
to transport molecules across the cell membrane
b)
to propel the cell through liquid
c)
to collect food for the cell
d)
to tell the cell the direction of a food source
55.
What organelle uses enzymes to help with digestion?
a)
lysosomes
b)
ribosomes
c)
endoplasmic reticulum
d)
vacuoles
56.

Types of cells that have a cell wall

a)

Ridged outer layer of a cell that protects it (only in plants and some prokaryotes)

b)

produce and package lipid and steroids; detoxify

c)

Large area in plants and some animal cells that stores water

d)

Some prokaryotes and plant cells

57.

Cell Theory

a)

1. All living things are made of cells

2. Cells are the most basic unit of life

3. Cells come from other cells

b)

Having only one cell

c)

The genetic information that is the instructions on how to build a specific organism, found in all cell types

d)

Organelle that converts solar energy to sugar; makes plants green because they contain chlorophyll

58.

Nucleolus

a)

covered with ribosomes and puts proteins together

b)

Site of ribosome production within the nucleus of eukaryotic cells

c)

Tiny organelles that build proteins

d)

Having more than one cell

59.

Things common to ALL CELLS

a)

DNA

b)

Ignoses Membrane

c)

Cell membrane

d)

Ribosome

e)

Cytoplasm

60.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
endoplasmic reticulum
d)
golgi apparatus
61.
Cell organelles that are responsible for digesting food, worn out organelles and other cellular wastes are called ___________________.
a)
Mitochondria
b)
Vacuoles
c)
Lysosomes
d)
Chlororplasts
62.

Students had to label the following Animal Cell. Which student has the correct labels?

a)

Student A: 1. cytoplasm, 3. cell membrane, 4. golgi apparatus, 9. ribosome

b)

Student B: 1. cell membrane, 3. cell wall, 4. endoplasmic reticulum, 9. ribosome

c)

Student C: 1. cytoplasm, 3. cell membrane, 6. nucleus, 8. mitochondrion

d)

Student D: 1. cytoplasm, 3. cell membrane, 8. ribosome, 9. endoplasmic reticulum

63.

What type of organelle is E?

a)

Cytoplasm

b)

Lysosome

c)

Cell Membrane

d)

Endoplasmic Reticulum

64.

What type of organelle is J?

a)

Cell Membrane

b)

Cell Wall

c)

Cytoplasm

d)

Ribosome

65.

Is this an animal or plant cell?

a)

Animal

b)

Plant

66.

This porous structure surrounds the nucleus

a)

Mitochondria

b)

Nuclear Membrane

c)

Nucleolus

d)

Nucleoplasm

67.

This organelle consists of two types of fibers called microfilaments and microtubules.

a)

Cytoskeleton

b)

Chloroplast

c)

Vacuole

d)

Rough ER

68.

Which two organelles are NOT found in animal cells?

a)

Cell membrane

b)

Cell wall

c)

Cytoplasm

d)

Nucleus

e)

Chloroplast

69.
a)
control center of the cell
b)
captures energy from sunlight
c)
found in plant and animal cells
70.

Biology is the best science. (select all that apply)

a)

Yes

b)

absolutely

c)

No doubt

d)

For sure

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