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Honors Biology Mid-term 2025

Total questions: 74

Worksheet time: 2hrs 38mins

Name
Class
Date
1.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
2.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
3.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
4.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
5.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
6.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
7.
Dependent variable means
a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)
what is being measured
8.
If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?
a)
increase the amount of iron in your blood
b)
spinach you eat
9.

If I listen to Mrs. Jones' instructions, then I will have less accidents in the lab. What is the independent variable?

a)
Yes
b)
Maybe
c)
Listening or not listening to instructions
d)
Likelihood of having an accident in lab 
10.
A testable answer to a scientific question
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
11.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
12.
You should report accidents to the teacher __.
a)
after the class is over
b)
immediately 
c)
the following day
d)
never
13.
Bob and Lizzy are working in the lab.  They are goofing off and break a glass test tube.   Which rule did the break?
a)
Know the location of the safety equipment. 
b)
Do not eat or drink in the lab. 
c)
Read instructions. 
d)
No playing around!
14.
__________ are nucleic acid functions
a)
store & transfer genetic info
b)
store & create energy
c)
structure & energy for cells
d)
membrane structure and nutrient transfer
15.
Cellulose is a type of ____________
a)
carbohydrate
b)
nucleic acid
c)
lipid
d)
protein
16.
Sugars (glucose) and starch are examples of this organic molecule:
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
17.
These organic molecules are used by the body for long term storage of energy and make up the structure of cell membranes.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
18.
Sugars usually end in....
a)
-ose
b)
-ace
c)
-ats
d)
-ids
19.
Examples of nucleic acids?
a)
DNA and RNA
b)
carbohydrates
c)
potatoes
d)
meats
20.
Amino acids are the monomers of
a)
Carbohydrates 
b)
Lipids
c)
Proteins 
d)
Nucleic Acids
21.

Monosaccharides are the monomers of?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

22.

Nucleotides are the monomers of?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

23.

Enzymes are examples of _?_.

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

24.

Enzymes are biological catalyst that _?_.

a)

give permission for the reaction

b)

raise activation energy

c)

speed up reactions

d)

control how many reactions occur

25.

What is a substance (not a biological molecule) called if it speeds up a chemical reaction?

a)
reusable
b)
catalyst
c)
specific
d)
fragile
26.
Which is the monomer (building block) for nucleic acids?
a)
amino acid
b)
fatty acid & glycerol
c)
nucleotide
d)
monosaccharide
27.

Water molecules are (choose all that apply)

a)

cohesive

b)

adhesive

c)

nonpolar

d)

fatty

28.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
29.

Which cell structure is found in all cells and controls what can come into or leave a cell?

a)

cell membrane

b)

cytoplasm

c)

nucleus

d)

vacuole

30.
What is the function of the cell nucleus found in both plant and animal cells?
a)
to produce energy
b)
to control cell activity
c)
to remove waste products
d)
to allow molecules to enter the cell
31.
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
32.
Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?
a)
to absorb light energy and manufacture food
b)
to remove waste materials by active transport
c)
to manufacture chemical energy from food
d)
to control the shape of the cell
33.
All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?
a)
chloroplasts
b)
mitochondria
c)
nucleus
d)
vacuoles
34.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
35.
Which of the following is not part of the cell theory?
a)
cells must contain DNA 
b)
all living things are made from cells
c)
cells can only come from other cells
d)
cells are the basic unit of life
36.
He discovered that all plants are made of cells:
a)
Anton van Leeuwenhoek
b)
Theordor Schwann
c)
Robert Hooke
d)
Mattias Schleiden
37.
Who was the first  person to see cells under the microscope and give them their name?
a)
Mattias Schleiden
b)
Robert Hooke
c)
Theordor Schwann
d)
Anton van Leeuwenhoek
38.

The network of flattened membranes that create passageways that carry materials from one part of the cell to another.

a)
endoplasmic reticulum
b)
golgi bodies
c)
vacuole
d)
cell
39.
A tiny cell structure that carries out a specific function within a cell.
a)
organelle
b)
cell
c)
nucleus
d)
ribosomes
40.
These small structures function as factories to produce proteins.
a)
mitochondria
b)
golgi body
c)
endoplasmic reticulum
d)
ribosomes
41.

This organelle is surrounded by a membrane similar to the plasma membrane and stores water, food, waste, products and other materials.

a)

vacuole

b)

organelle

c)

cytoplasm

d)

cell membrane

42.

Theodor Schwann, Rudolf Virchow, and Matthias Schleiden were all responsible for what theory?

a)

The Theory of Gravity

b)

The Theory of Relativity

c)

The Cell Theory

d)

The Theory of Continental Drift

43.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
telescope
44.
All cells come from___________ cells.
a)

pre-renaissance

b)
pre-existing
c)
paternal
d)
pin size
45.

Which of the following scientists was the first to observe living things under a microscope?

a)

Anton van Leuwenhoek

b)

Matthais Schleiden

c)

Robert Hooke

d)

Theodor Schwann

46.
The diffusion of WATER across a semi-permeable membrane is
a)
osmosis
b)
diffusion
c)
endocytosis
d)
exocytosis
47.
What is diffusion
a)
active transport
b)
passive transport
c)
cell division
d)
cell mutation
48.
The movement of molecules from higher concentration to lower concentration is
a)
diffusion
b)
cell division
active transport
c)
active transport
d)
tonicity
49.
Active transport requires
a)
energy
b)
the nucleus
c)
chloroplasts
d)
lysosomes
50.
What organelles are only found in PLANT cells
a)
lysosomes & centrioles
b)
cell wall & chloroplasts
c)
nucleus & nucleolus
d)
mitochondria & ribosomes
51.
The cell membrane
a)
regulates what enters/leaves cell
b)
helps maintain homeostasis
c)
keeps contents of cell in place
d)
all of the above
52.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
53.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
54.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
55.
A cell in an isotonic solution will
a)
swell
b)
shrink
c)
stay the same size
d)
impossible to tell
56.

When a cell is placed in a hypertonic solution, water

a)
moves from the inside of the cell to the solution
b)
moves from the solution to the inside of the cell
c)
moves equally in and out of the cell
d)
none of these
57.

When a cell is placed in a hypotonic solution, water

a)
moves from the inside of the cell to the solution
b)
moves from the solution to the inside of the cell
c)
moves equally in and out of the cell
d)
none of these
58.

The reason water sticks to your skin is ___.

a)

adhesion

b)

cohesion

59.

Because solid water is less dense than liquid water, ___ floats.

a)

solid water

b)

liquid water

60.

What is this an example of?

a)

How light paper clips are

b)

bouyancy

c)

surface tension

d)

cohesion

61.

Water is considered?

a)

The universal solvent

b)

A bad solvent

c)

The universal solute

d)

A bad solute

62.

Prokaryote ___

a)

contain simple cells

b)

are unicellular

c)

alway have a flagellum

d)

are a product of endosymbiosis

63.
What is wrong this how the student is carrying the microscope in the image?
a)
They are using two hands.
b)
They are carrying it close to their body.
c)
The plug is not wrapped around the base.
d)
They are walking. 
64.

The arrow is pointing to this part of the microscope.

a)

eye piece

b)

stage

c)

objective lenses

d)

arm

65.
What power do you start with when using a microscope?
a)
High power
b)
Medium power
c)
Low power
d)
Extra high power
66.
Never use this when on high power.
a)
Fine adjustment
b)
Diaphragm
c)
Course adjustment
d)
Stage clips
67.

A water strider can skate along the top of a pond because:

a)

Low surface tension of water

b)

Hydrogen bonds result in water cohesion (surface tension)

c)

Covalent bonds result in water cohesion

d)

Water striders have adapted to take advantage of water cohesion

68.

Substance in a solution that dissolves the other substance and is present in the greater amount:

a)

Solute

b)

Acid

c)

Solution

d)

Solvent

69.

Water is polar because:

a)

The molecule has two poles, at which it is colder than the other regions of the molecule.

b)

The water molecule is neutral

c)

The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms. 

d)

The unequal sharing of electrons gives the water molecule a slight negative charge near its hydrogen atoms and a slight positive charge near its oxygen atom.

70.

Which of the following is a function of a carbohydrate?

a)

Provides long term energy to body

b)

Supports the body in building structures necessary for survival

c)

Provides short term energy to the body

d)

Gives the body instructions for how to build our body's structures

71.

Which organelle is responsible for packaging and transporting proteins within the cell?

a)

Nucleus

b)

Vacuole

c)

Cell membrane

d)

Golgi apparatus

72.

Which of the following is a correct example of a scientific observation?

a)

The plant is probably healthy.

b)

The plant will grow faster with more sunlight.

c)

The plant grew 5 cm in one week.

d)

I think the plant needs water.

73.

Match the following

a)

Mitochondria

1.

Makes energy (ATP)

b)

Cell membrane

2.

allows things in an out (selectively permeable)

c)

Nucleus

3.

Command center; houses DNA, boss

d)

Vacuole

4.

Storage bubble

e)

Ribosomes on the ER

5.

Make proteins

74.

This part of the cell is responsible for ribosome synthesis. See diagram

a)

1

b)

2

c)

4

d)

5

e)

9

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