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Bio Sub Work 4/9

Total questions: 117

Worksheet time: 2hrs 4mins

Name
Class
Date
1.
Which invention from the 17th century allowed for the development of modern cell theory?
a)
x-rays
b)
computers
c)
the light microscope
d)
the scanning electron microscope
2.
Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?
a)
 All living things are made of cells.
b)
All cells come from other preexisting cells.
c)
Cells form through spontaneous generation.
d)
 Cells are the basic structural and functional units of life.
3.
 Cells are the basic structural and functional units of life.
a)
Plants have cells but animals do not.
b)
 They are both made of one or more cells. 
c)
They both come from the same kind of cell.
d)
They both come from a non-living organism.
4.
The combined observations of Mattias Schleiden, Theodor Schwann and Rudolph Virchow resulted in the formation of the cell theory. Which of the following is not part of the cell theory?
a)
All cells contain a nucleus. 
b)
All cells come from other living cells.
c)
All living organisms are made of one or more cells
d)
 Cells are the basic unit of structure and function of all living things.
5.
A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?
a)
Plants have cells but animals do not.
b)
They are both made of one or more cells. 
c)
They both come from the same kind of cell.
d)
They both come from a non-living organism.
6.
Rudolph Virchow's observations helped to disprove was commonly held belief of the time?
a)
evolution
b)
the existence of molecules
c)
spontaneous generation
d)
atomic models
7.
Cell theory states:
a)
All living cells must have a cell wall.
b)
 All living cells require glucose for survival.
c)
The basic unit of life is a cell.
d)
All cells contain a nucleus
8.
 Which of the following is NOT one of the main components of the cell theory?
a)
cells must contain DNA
b)
all living things are made of cells
c)
cells can only come from other cells
d)
cells are the basic unit of life
9.
Unlike eukaryotes, prokaryotes do not have:
a)
DNA
b)
cytoplasm
c)
cell walls
d)
a membrane bound nucleus
10.
The smallest unit that can perform the basic activities of life is
a)
a cell 
b)
a tissue
c)
an organ
d)
an organism
11.

All viruses are different, but what are two parts that a virus must have?

a)

Genetic Information (DNA or RNA)

b)

a lipid membrane

c)

a nucleus

d)

a protein coat

12.

Which of these statements is true?

a)

A virus is unicellular, it has only one cell.

b)

A virus may sometimes be multicellular, have many cells.

c)

A virus has no cells

13.

Which statement is true?

a)

A virus has a nucleus, but no other organelles.

b)

A virus has a nucleus and ribosomes.

c)

A virus has no organelles, because it has no cells, and it is non-living.

14.

A virus is so small that 250,000 viruses could fit inside

a)

a grain of sand

b)

an apple

c)

a basketball

15.

Cell membranes of living organisms are made of a bilayer (2 layers) of

a)

lipids

b)

proteins

c)

carbohydrates

16.

Which sentence is true

a)

All viruses, although they are not living, have a lipid layer that surrounds them.

b)

Many viruses, although they are not living, have a lipid layer that surrounds them. This includes the corona viruses.

17.

The little sticks poking out of the sides of these viruses are called

a)

sugar sticks

b)

spike proteins

c)

covid claws

18.

Which sentence is true about this picture.

a)

It shows a virus being made.

b)

It shows a virus entering the cell of a human or animal.

c)

It shows a virus being destroyed by soap.

19.

At the top left of this picture, you can see the spike protein of a virus fitting perfectly into a receptor site on our cells. Which sentence below is true?

a)

Humans have receptor sites for viruses on our cells because we want viruses to invade our cells.

b)

Humans have receptor sites for viruses on our cells because those receptor sites were made for a different purpose, but viruses evolved to be able to use them.

20.

Once the virus is attached to our cell, the lipid layer of our cell and the lipid layer around the virus can merge because

a)

Lipids attract lipids

b)

Lipids attract proteins

c)

The DNA instructs them to do this.

21.

Which sentence is true?

a)

Soap destroys viruses because it dissolves the DNA or RNA

b)

Soap destroys viruses because it bends the spike proteins

c)

Soap destroys viruses because it breaks up the lipid layer and allows it to be washed away.

d)

Soap destroys viruses because it is acidic.

22.

Once a virus gets into a cell, it

a)

Releases its DNA or RNA into the cell.

b)

It begins to create DNA or RNA in the cell.

c)

It destroys its own DNA and RNA in the cell.

23.
How can you tell this plant is a living thing?
a)
It doesn't move.
b)
It is made up of different parts.
c)
It responds to a change in its environment.
d)
It needs shelter.
24.

Which of these do living things NOT need for a species to survive?

a)

DNA/RNA

b)

ability to respond to change

c)

ability to make a permanent home

d)

ability to reproduce

e)

ability to use energy

25.
Before a soccer game Charlie always eats a big dinner. Which characteristic of life does this face best describe? 
a)
living things use energy
b)
living things reproduce
c)
living things grow and develop
d)
living things are based on a universal genetic code
26.

What is the responding variable?

a)

what we are changing or testing

b)

what we are observing or measuring

c)

what we are keeping the same to make the experiment fair

27.

What is the manipulated variable?

a)

what we are changing or testing

b)

what we are observing or measuring

c)

what we keep the same to make the experiment fair

28.
Provides usable energy for other life functions
a)
growth
b)
cellular respiration
c)
digestion
d)
excretion
29.

Which of the following is an example of homeostasis?

a)

adapting to your environment

b)

maintaining an appropriate respiration rate

c)

the sum of all of your chemical reactions

d)

being composed of more than one cell

30.

Which of the following is NOT an example of an adaptation?

a)

birds migrating during the winter months

b)

the total sum of all the chemical reactions in your body

c)

humans evolving the ability to digest lactose (sugar in milk)

d)

the ability of dolphins to communicate in aquatic environments

31.
The variable that is being tested, counted, or measured and is responding to the independent variable is known as 
a)
Control
b)
Constant
c)
Independent Variable
d)
Dependent Variable
32.
The variable the is changed on purpose is..
a)
Constant
b)
Control
c)
Independent Variable
d)
Dependent Variable
33.
Which brand of paper towel will absorb the most liquid? What is the dependent variable?
a)
brand of paper towel
b)
amount of water absorbed
34.

Angel wants to know if the type of soap has an effect on how clean her clothes get. What is the independent variable?

a)

type of soap

b)

how long the laundry takes

35.

Angel wants to know if the type of soap has an effect on how clean her clothes get. What is the dependent variable?

a)

type of soap

b)

how clean the clothes are

36.

Zach wants to determine if the amount of time spent on social media has an effect of grades. What is the independent variable?

a)

time on social media

b)

computer skills

37.

A farmer is trying to increase the yield of his crops. He decides to change the amount of water he gives to the crops each day. This is the one factor that the farmer changes during his experiment. (It affects the results of the experiment).

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

38.

The variable that is measured. It is the result of the experiment.

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

39.

The factors that stay the same throughout the experiment.

a)

Constant

b)

Dependent Variable

c)

Independent Variable

40.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

41.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What are two CONSTANTS? (Select 2 answers)

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

42.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What is the independent variable?

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

One plant is in the sunlight and the other is under a box

43.
Molly investigated if the age of students caused them to be better drivers. What is the independent variable?
a)
Type of car
b)
Skill of driving
c)
Age of student
44.

What are observations that are measured or counted called?

a)

qualitative data

b)

quantitative data

45.
Observations, like the color or texture of an object, are ________________ observations.
a)
quantitative
b)
qualitative
c)
operational
d)
scientific
46.

Nick is conducting a controlled experiment to test whether music helps daisies grow faster. Below are the steps to Nick's experiment. Which group is the control group?

a)

the green room

b)

the music

c)

flowerpot 2

d)

flowerpot 1

47.
The parts of the experiment that must be kept the same.
a)
Constants
b)

Independent variable

c)

Dependent variable

d)

Conclusion

48.

Thomas tests different types of liquids to see which will grow his plants the most. He has water, soda, milk, and no liquid at all. What is the control group?

a)

the one with water

b)

the one with soda

c)

the one with milk

d)

the one with no liquid

49.
The mass of the chocolate cake is 250 g.
a)
Qualitative
b)
Quantitative
50.

There are 54 players on the Philadelphia Eagles football team.

a)

qualitative

b)

quantitative

51.

The clouds are grey and ground is wet.

a)

qualitative

b)

quantitative

52.
It makes a loud crackling sound.
a)
Qualitative
b)
Quantitative
53.
If your teacher asked you to make qualitative observations about the class’s pet hamster, which group of words might be used?
a)
A  mass of 3 kg, 11 cm long, age of 16 months
b)
A  mass of 3 kg, 11 cm long, cute
c)
A  long hair, white and brown colored, soft
d)
A  temperature, length, weight
54.
The mass of the beaker was 122 grams.
a)
Qualitative data
b)
Quantitative data
55.

Viruses are bacteria.

a)

True

b)

False

56.

Viruses are made up of cells.

a)

True

b)

False

57.

Viruses are living.

a)

True

b)

False

58.

Which of the following pictures is NOT a example of a virus?

a)

a

b)

b

c)

c

d)

d

59.

Observe the diagram of the two viruses.

Part C is the ______________

a)

Genetic material

b)

Capsid

c)

Ligand

d)

Envelope

60.

Observe the diagram of the two viruses.

Part B is the ______________

a)

Genetic material

b)

Capsid

c)

Ligand

d)

Envelope

61.

All viruses are different, but what are two parts that a virus must have?

a)

Genetic Information (DNA or RNA)

b)

a lipid membrane

c)

a nucleus

d)

a protein coat

62.

Which of these statements is true?

a)

A virus is unicellular, it has only one cell.

b)

A virus may sometimes be multicellular, have many cells.

c)

A virus has no cells

63.

Which statement is true?

a)

A virus has a nucleus, but no other organelles.

b)

A virus has a nucleus and ribosomes.

c)

A virus has no organelles, because it has no cells, and it is non-living.

64.

Which sentence is true

a)

All viruses, although they are not living, have a lipid layer that surrounds them.

b)

Many viruses, although they are not living, have a lipid layer that surrounds them. This includes the corona viruses.

65.

The little sticks poking out of the sides of these viruses are called

a)

sugar sticks

b)

spike proteins

c)

covid claws

66.
Segments of nucleic acids contained in a protein coat are called_________.
a)
pathogens
b)
capsids
c)
viruses
d)
lytic cycles
67.
What happens in the lysogenic cycle? 
a)
Virus goes in and leaves the host cell
b)
Virus quickly kills the host cell
c)
Virus inject the nucleic acid into the host cell, and the nucleic acid integrates into the host cell DNA, and stay dormant for a long time
d)
Bacteria injects DNA into a host cell
68.

Does a virus need to be specific on the type of cell it attaches to?

a)

Yes

b)

No

69.
What is shown here?
a)
Lysogenic Cycle
b)
Lytic Cycle
c)
Binary Fission
d)
Conjugation
70.

Which is the smallest out of the following?

a)

eukaryotic cell

b)

prokaryotic cell

c)

viruses

71.

What is the first step to both cycles?

a)

The virus attaches to a host

b)

the virus injects genetic material

c)

the host gets sick

d)

the cell is destroyed

72.

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

73.

What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?

a)

tail

b)

nucleus

c)

capsid

d)

glycoprotein

74.

Which viral life cycle kills its host cell by lysing?

a)

lytic

b)

mitosis

c)

lysogenic

d)

S phase

75.

Which viral life cycle allows viral genetic material to lay dormant while the host cell reproduces?

a)

lytic

b)

mitosis

c)

lysogenic

d)

S phase

76.

Viruses are...

a)

prokaryotic

b)

eukaryotic

c)

non-living

d)

endospores

77.
Inherited trait that helps an organism survive is a(n) __________.
a)
Fossil
b)
Adaptation
c)
Ancestor
d)
Natural selection
78.

What do we call a change in a species over time?

a)

Adaptation

b)

Evolution

c)

Extinction

d)

Environmental influences

79.
All the individuals of a species that live in a particular area are called a
a)
variation
b)
population
c)
fossil
d)
group
80.
The differences among a species, like different bird beaks, are called
a)
genes.
b)
variations.
c)
traits.
d)
theories.
81.

If a new trait DOES help an organism survive, what may happen to it?

a)

It dies and its DNA is not passed on

b)

It survives and its DNA is passed on

c)

It changes its traits to adapt and survive

82.

If a new trait DOES NOT help an organism survive, what may happen to it?

a)

It dies and its DNA is not passed on

b)

It survives and its DNA is passed on

c)

It changes its traits to adapt and survive

83.

Which type of cell does NOT contain membrane-bound organelles?

a)

plant cells

b)

animal cells

c)

prokaryotic cells

d)

eukaryotic cells

84.

Are eukaryotes multicellular or unicellular?

a)

multicellular

b)

unicellular

c)

both unicellular and multicellular

d)
85.

_____ and _____ are organelles that arose from endosymbiosis

a)

nucleus and cell membrane

b)

mitochondria and chloroplasts

c)

cell wall and chloroplasts

d)

mitochondria and nucleus

86.
Benedict's solution is an indicator that tests for the presence of
a)
Glucose
b)
Starch
c)
Disaccharides
d)
Protein
87.
Iodine is an indicator that tests for the presence of
a)
Glucose
b)
Starch
c)
Disaccharides
d)
Protein
88.
Silver nitrate is an indicator that tests for the presence of
a)
Glucose
b)
Starch
c)
Salt
d)
Protein
89.
Biuret's is an indicator that tests for the presence of
a)
Glucose
b)
Starch
c)
Salt
d)
Protein
90.
Which of the following indicators has to be heated in order for a color change to occur?
a)
Iodine
b)
Benedict's solution
c)
Biuret's solution
d)
Silver nitrate
91.
Which solution shows a positive test for glucose (monosaccharide)?
a)
A
b)
B
c)
C
d)
D
92.
 Which solution shows a positive result for the presence of starch (polysaccharides)?
a)
A
b)
B
c)
C
d)
D
93.
Which solution would show a negative test for glucose with Benedict's solution?
a)
A
b)
B
c)
C
d)
D
94.
Which solution shows a negative result for the presence of starch when using iodine?
a)
A
b)
B
c)
C
d)
D
95.
Which solution shows a positive result for the presence of salt when using silver nitrate?
a)
A
b)
B
c)
C
d)
D
96.

What macromolecule makes up the majority of cell membranes?

a)

Proteins

b)

Lipids

c)

Nucleic Acids

d)

Carbohydrates

97.

What type of lipid is shown?

a)

Fatty Acid

b)

Phospholipid

c)

Triglyceride

d)

Cholesterol

98.

What does the term hydrophobic mean?

a)

Dislikes water

b)

Loves water

c)

Uses water to create energy

d)

Positive and negative charge on either end

99.

What does the term hydrophilic mean?

a)

Likes water

b)

Dislikes water

c)

The creation of water molecules

d)

Protein synthesis

100.

What is the function of proteins in the cell membrane? Check all that apply:

a)

Transport ions and other large molecules though the bilayer

b)

Signal receptors to indicate what is on the outside of the cell

c)

Makes up the majority of the membrane

d)

Block unwanted materials from entering the cell

101.

True or False: The phospholipid bilayer forms with the hydrophobic heads facing outwards and the hydrophilic tails facing inwards

a)

True

b)

False

102.

True or False: Because the inner region of the cell membrane is non-polar, any non-polar molecules can pass through the membrane.

a)

True

b)

False

103.

True or False: All molecules that have a charge or are too large cannot pass through the cell membrane easily

a)

True

b)

False

104.

What does it mean to be selectively permeable?

a)

Allows some, but not all molecules to cross

b)

Allows all molecules to cross but still regulates how much goes through

c)

It chooses what day it has a certain hairstyle

d)

Rarely allows molecules to cross without the help of channel proteins

105.

The image represents the fluid mosaic model. Which of the following best describes the fluid mosaic model?

a)

Cell membrane components are able to float and move throughout the membrane surface

b)

Cell membrane components are stuck in place. It is critical to get the placement right

c)

The membrane is not flexible at all and cannot expand

d)

The membrane allows fluids to pass through easily

106.

How is cholesterol important to the cell membrane?

a)

Allows for flexibility in the membrane to expand and contract

b)

Cholesterol is a channel protein that allows substances through

c)

Cholesterol clogs the arteries of the cell

d)

Cholesterol is not a critical component of cell membranes because all cholesterol is bad

107.

What macromolecule is cholesterol?

a)

Lipid

b)

Protein

c)

Nucleic Acid

d)

Carbohydrate

108.

What is the one macromolecule you won't find in the cell membrane?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

109.

Click all the cell types that you will find a cell membrane:

a)

Prokaryotes

b)

Bacteria

c)

Fungi

d)

Eukaryotes

110.

What is the purpose of a cladogram?

a)
To show the evolutionary relationships among different species
b)
To measure the temperature of a species
c)
To calculate the speed of a species
d)
To determine the color of a species
111.
Genetic differences between organisms of the same species
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
112.
Study of embryos of various organisms to show a common ancestor because of similarities in development
a)
natural selection
b)
embryology
c)
speciation
d)
evolution
113.
Change over time
a)
Natural Selection
b)
Selective Breeding
c)
Homeostasis
d)
Evolution
114.

What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?

a)

There were different types of predators on the island.

b)

There were different types of food available on the island.

c)

The finches had no water to drink.

d)

The finches on the mainland could not fly high enough.

115.

When looking at two birds of the same species, you notice that one has darker feathers than the other one. You also notice that one has a beak that is just a little longer. These slight differences within members of the same species are called.....

a)

Fossils

b)

Extinction

c)

Meiosis

d)

Variations

116.

What is the study of organisms at the early stages of development?

a)

DNA studies

b)

Comparative Embryology

c)

Extinction

d)

Fossil Record

117.

Genes that are beneficial to the species will....

a)

evolve a new species

b)

will not be passed down to its' offspring

c)

become more common over time

d)

cause the extinction of a species

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