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Biology Midterm Review

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

Water has many several important properties. Which two of these properties cause water to have surface tension?

a)

Heat capacity and cohesion

b)

Solubility and density

c)

Density and adhesion

d)
Cohesion and adhesion
2.

Why do invasive species cause native species to become threatened?

a)
Invasive species have no impact on native species
b)
Invasive species outcompete native species for resources
c)
Invasive species help native species find more resources
d)
Invasive species provide protection for native species
3.

Categorize these limiting factors into density-dependent and density-independent

Categorize the following

Competition

Predation

Parasitism

Disease

Earthquake

Forest fire

Tsunami

Hurricane

Density-Independent
Density-Dependent
4.

Organize these abiotic and biotic factors

Categorize the following

water

soil

carbon dioxide

bacteria

fungi

sunlight

minerals

temperature

rocks

algae

plants

animals

humans

insects

Abiotic
Biotic
5.
Question Image

Match the following organisms to what classification they are on this food chain.

a)

Producer

1.

Grass

b)

Primary Consumer

2.

Grasshopper

c)

Secondary Consumer

3.

Bird

d)

Tertiary Consumer

4.

Fox

6.

Along with gases, water can leave through stomata. What is it called when water evaporates from the leaves of plants?

a)
Infiltration
b)
Precipitation
c)
Transpiration
d)
Condensation
7.

Which organism on this energy pyramid would have the most energy? Which would have the least?

a)

Sharks would have the most, phytoplankton would have the least

b)

Herring would have the most, small crustaceans would have the least

c)

Phytoplankton would have the most, sharks would have the least

d)

Mackerel would have the most, Herring would have the least

8.

In this ecosystem, a disease spreads that kills 80% of the mice population. What effect would this have on competition between other members of the food web?

a)

Increased competition between populations that feed on mice

b)

Decreased competition between populations that feed on mice

c)

Increased competition between populations that feed on grass

d)

Decreased competition between organisms that feed on frogs

9.

Which of these would cause an increase in biodiversity?

a)

The progression of ecological succession

b)

Cutting down a forest in order to build a shopping mall

c)

Releasing invasive species into an ecosystem

d)

Removing the apex predator of an ecosystem

10.

What do enzymes do?

a)
Slow down chemical reactions
b)
Have no effect on chemical reactions
c)
Cause explosions in chemical reactions
d)
Speed up chemical reactions
11.

What is this molecule?

a)

ATP

b)

ADP

c)

Glucose

d)

Carbon Dioxide

12.

What are the reactants of photosynthesis?

a)
Oxygen and nitrogen
b)
Glucose and oxygen
c)
Hydrogen and helium
d)
Carbon dioxide and water
13.

What are the products of photosynthesis?

a)
Methane and sulfur dioxide
b)
Glucose and oxygen
c)
Nitrogen and hydrogen
d)
Carbon dioxide and water
14.

What are the reactants of cellular respiration?

a)
nitrogen and hydrogen
b)
sodium and chloride
c)
glucose and oxygen
d)
water and carbon dioxide
15.

What are the products of cellular respiration?

a)
Lactic acid, ethanol, and acetic acid
b)
ATP, carbon dioxide, and water
c)

ATP, oxygen, and glucose

d)
Glucose, oxygen, and nitrogen
16.

Match the following structures to their functions

a)

Leaves

1.

Capture light for photosynthesis

b)

Xylem

2.

Transport water from roots

c)

Phloem

3.

Transport sugar from leaves

d)

Stomata

4.

Open and close for gas exchange

e)

Guard cells

5.

Open and close the stomata

17.

What is this? What does it do?

a)

Chloroplast, uses sunlight to make sugar

b)

Chloroplast, uses sugar to make ATP

c)

Mitochondria, uses sunlight to make sugar

d)

Mitochondria, uses sugar to make ATP

18.

What is this? What does it do?

a)

Chloroplast, uses sunlight to make sugar

b)

Chloroplast, uses sugar to make ATP

c)

Mitochondria, uses sunlight to make sugar

d)

Mitochondria, uses sugar to make ATP

19.

What do plant cells have that animal cells do not have?

a)

Chloroplasts and cytoplasm

b)

Mitochondria and cell wall

c)

Vacuoles and cell membrane

d)
Cell walls and chloroplasts
20.

Classify each of the following on the tonicity of the solution.

a)

The solution has 30% solute concentration.

The cell has 30% solute concentration.

1.

Isotonic

b)

The solution has 80% solute concentration.

The cell has 20% solute concentration.

2.

Hypertonic

c)

The solution has 20% solute concentration.

The cell has 80% solute concentration.

3.

Hypotonic

21.

Match the following macromolecules to what elements are found in them.

a)

Carbohydrates

1.

Carbon

Hydrogen

Oxygen

(Ring structure)

b)

Lipid

2.

Carbon

Hydrogen

Oxygen

(E structure)

c)

Protein

3.

Carbon

Hydrogen

Oxygen

Nitrogen

d)

Nucleic Acids

4.

Carbon

Hydrogen

Oxygen

Nitrogen

Phosphorus

22.

An experiment is being performed to see how fast a car rolls in different conditions. In group #1, the car rolls down a hill. In group #2, the car rolls down a hill after it is soaked in water. In group #3, the car rolls down a hill after it is covered in ice. Which group is the control group?

a)
Group #1
b)
Group #3
c)
There is no control group in this experiment
d)
Group #2
23.

Which of these is NOT a characteristic of living things?

a)

Contains DNA

b)

Able to move

c)

Responds to stimulus

d)

Grows and develops

24.

What is the difference between a scientific theory and a scientific law?

a)
A scientific theory is based on evidence, while a scientific law is based on opinion
b)
A scientific theory explains why something happens, while a scientific law describes what happens.
c)
A scientific theory is always proven, while a scientific law is just a guess
d)
A scientific theory and a scientific law are the same thing
25.

What are the three parts of cell theory?

a)

Cells come from other cells.

b)

Cells are the basic unit of life.

c)

Living things have one or more cells.

d)

Cells have a nucleus to contain their DNA.

e)

Cells grow larger and larger until they die.

26.

What does selectively permeable mean?

a)
Allows all substances to pass through
b)
Allows only liquids to pass through
c)
Does not allow any substances to pass through
d)
Allows only certain substances to pass through
27.

Match the following organelles to their functions inside of plant cells.

a)

Vacuoles

1.

maintaining turgor pressure

b)

Cell Wall

2.

providing structural support

c)

Chloroplasts

3.

site of photosynthesis

d)

Mitochondria

4.

site of cellular respiration

e)

Ribosomes

5.

site of protein synthesis

28.

Match the following organelles to their functions inside of animal cells.

a)

Vacuoles

1.

Storage of nutrients and waste products

b)

Mitochondria

2.

Site of cellular respiration

c)

Centrioles

3.

Involved in cell division

d)

Ribosomes

4.

Site of protein synthesis

e)

Cell Membrane

5.

Regulates the movement of materials into and out of the cell

29.
Question Image

If these are normal cells, match each tonicity to what would happen to the cells when placed inside it.

a)

1.

Hypertonic

b)

2.

Isotonic

c)

3.

Hypotonic

30.

Which of these is true of passive transport?

a)

Requires energy

b)

Does not require energy

c)

Moves substances from low to high concentration

d)

Moves substances from high to low concentration

31.

Which of these is true of active transport?

a)

Requires energy

b)

Does not require energy

c)

Moves substances from low to high concentration

d)

Moves substances from high to low concentration

32.

Determine if each type of transport is passive or active.

Categorize the following

Endocytosis

Exocystosis

Protein pumps

Phagocytosis

Pinocytosis

Simple diffusion

Facilitated diffusion

Osmosis

Channel proteins

Aquaporins

Active Transport
Passive Transport
33.

What is the primary difference between prokaryotic and eukaryotic cells?

a)
Presence of a nucleus
b)

Movement of the cell

c)
Number of organelles
d)
Type of genetic material
34.

What four things are found in ALL cells?

a)

Chloroplasts, mitochondria, nucleus, and cell membrane

b)
DNA, cell membrane, cytoplasm, and ribosomes
c)

DNA, chloroplasts, nucleus, and vacuole

d)

Endoplasmic reticulum, vacuoles, lysosomes, and cell wall

35.

Reorder the following from most complex (1) to least complex (5)

a)

Organism

b)

Organ System

c)

Organ

d)

Tissues

e)

Cells

1)
2)
3)
4)
5)
36.

What is unique about the solid state of water (ice) compared to the solid state of other compounds?

a)
It expands when it freezes.
b)

It becomes less dense when it freezes.

c)
It becomes denser when it freezes.
d)
It contracts when it freezes.
37.

What is meant by water being a universal solvent?

a)
Water can only dissolve a few specific substances
b)
Water can dissolve solid substances but not liquid ones
c)
Water can dissolve many different substances
d)
Water can only dissolve substances that are lighter than itself
38.

Match the following macromolecules to their functions.

a)

Carbohydrates

1.

Short-term energy source

b)

Lipids

2.

Long-term energy storage

c)

Proteins

3.

Build body tissues, act as catalysts

d)

Nucleic Acids

4.

Storage of genetic information

39.

Match the following macromolecules to their monomers.

a)

Carbohydrates

1.

Monosaccharides

b)

Lipids

2.

Fatty acids

c)

Proteins

3.

Amino acids

d)

Nucleic acids

4.

Nucleotides

40.

Choose which two describe the lock and key model of an enzyme's function

a)

Interaction between the enzyme's inactive site and the substrate.

b)

The substrate remains the same, the enzyme changes.

c)

The enzyme remains the same, the substrate changes.

d)

Interaction between the enzyme's active site and the substrate.

41.

What macromolecule is a part of this structure?

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

42.

Match the following microscopes to what would be viewed with them

a)

Compound light microscope

1.

The activities of living amoebas

b)

Scanning electron microscope

2.

The cell membrane of dead bacteria

c)

Transmission electron microscope

3.

The internal structures of dead protists

43.

Pea plant clones are giving different amounts of water for a three-week period. The first pea plant receives 400 milliliters a day. The second pea plant receives 200 milliliters a day. The third pea plant receives 100 milliliters a day. The fourth pea plant does not receive any extra water; the plant only receives natural ways of receiving water. The heights of the pea plants are recorded daily. What are the variables and control group?

a)

Independent Variable

1.

Amount of water given

b)

Dependent Variable

2.

Pea plant heights

c)

Control Group

3.

Fourth pea plant

44.
What is the difference between aerobic and anaerobic environments?
a)
Anaerobic uses oxygen and aerobic does not
b)
Aerobic and anaerobic environments both use oxygen
c)
Aerobic uses oxygen and anaerobic does not
d)
Aerobic and anaerobic both do not use oxygen
45.

Which of the following do prokaryotic cells have?

a)

nucleus

b)

endoplasmic reticulum

c)

mitochondria

d)

cell membrane

46.

Label the diagram

a)

Cellular Respiration

b)

Photosythesis

c)

Mitochondria

d)

ATP

e)

CO2

f)

Light

g)

Chloroplast

h)

C6H12O6

1
2
3
4
5
6
7
8
1)
2)
3)
4)
5)
6)
7)
8)
47.

Match the following

a)

1.

glucose

b)

2.

oxygen gas

c)

3.

carbon dioxide

d)

4.

water

48.

What is fermentation?

a)
A process that converts sugar into proteins.
b)
A process that converts sugar into carbohydrates.
c)
A process that converts sugar into vitamins.
d)

A process that converts sugar into acids, gases, or alcohol.

49.

What is the primary function of a catalyst in a chemical reaction?

a)

To increase the temperature of the reaction

b)

To act as a reactant in the reaction

c)

To increase the rate of the reaction by lowering the activation energy

d)

To decrease the rate of the reaction by increasing the activation energy

50.

Which of the following is NOT a function of proteins in the human body?

a)

acting as enzymes to speed up biochemical reactions

b)

transmitting genetic information from one generation to the next

c)

building and repairing tissues

d)

providing energy for the body

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