Question 1

Question

Which of these describes diffusion?

a
The active transport of particles into a cell
b
The net movement of any type of molecule from a region of lower concentration to a region of higher concentration
c
The net movement of any type of molecule from a region of higher concentration to a region of lower concentration
d
The active transport of particles out of a cell
Question 2
Proteins have a three-dimensional structure that gives them a specific shape and allows them to perform many different functions in living organisms.

Which one of these is not a function of proteins that depends on their structure?

a
providing support internally and externally for cellular organelles
b
transporting proteins across the plasma membrane of the cell
c
storing energy inside the cell
d
translating and receiving chemical signals
Question 3
Which statement best describes the plasma membrane of a living plant cell?

The plasma membrane of a plant cell is

a
composed of two layers of proteins and carbohydrates only.
b
composed of two layers of proteins with floating molecules of lipids only.
c
designed to allow certain substances to enter and certain substances to exit the cell.
d
designed to allow for the free flow of all protein substances to move into and out of the cell.
Question 4
A student is observing a single-celled alga and knows that it undergoes photosynthesis and respiration. Which question could the student ask to find out how it can do both processes?

a
Is carbon dioxide needed for the process of photosynthesis?
b
Is water needed for the processes of respiration and photosynthesis?
c
Are the inputs of photosynthesis the same as the outputs of respiration?
d
Are the inputs of photosynthesis the same as the inputs of respiration?
Question 5
An important step in cellular respiration is

a
the breakdown of glucose.
b
the breakdown of carbon dioxide.
c
the creation of oxygen.
d
the creation of phosphate.
Question 6
Which are the products of aerobic cellular respiration?

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a
water and carbon dioxide and ATP
b
water, oxygen and ATP
c
glucose, oxygen and light
d
water and carbon dioxide
Question 7
Photosynthesis uses water and carbon dioxide, powered by sunlight energy, to make _______.

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a
carbon monoxide
b
38 ATP
c
oxygen and glucose (chemical energy)
d
high energy proteins
Question 8




GIF atp - animated GIF on GIFER

a
ATP stores energy captured from the light dependent reactions to be used when producing sugars.
b
ATP is a building block of carbohydrates and stores energy as starch in plant cells.
c
ATP collects chemical energy from the cells, later to release as light energy.
d
ATP is an enzyme, increasing the rate of photosynthesis and decreasing the need for water.
Question 9
The illustration below represents the movement of materials involved in a process that is vital for the energy-production and energy-transfer needs of an organism.

What cellular process is taking place?

a
The cellular process is glucose production.
b
The cellular process is photosynthesis.
c
The cellular process is respiration.
d
The cellular process is water storage.
Question 10
What happens when ATP is converted to ADP?

a
Energy is stored in bonds.
b
The cell dies.
c
Energy is released from bonds.
d
Energy remains in the same.
Question 11
Which of these processes takes place in the cytoplasm of a eukaryotic cell?
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a
Transcription
b
Glycolysis
c
Electron transport
d
Krebs cycle
Question 12
Which of the following graphs BEST shows chloroplasts' role in photosynthesis based on light intensity?

A.)1cfb4633-3c8f-488a-b7cc-a54a42d4ad8f

_______________________________________

B.)7197a94e-a970-45cf-a748-f4109016c9ca
_______________________________________
C.)bd1cb2c8-fa24-46eb-a967-3cdf1996c6cb
_______________________________________
D.)c4f7ce1a-c665-4bdc-af2c-5c9353070924

_______________________________________

a
A
b
B
c
C
d
D
Question 13
Review the diagram.

Select the correct response regarding the relationship between photosynthesis and cellular respiration.

a
the reactants and products of photosynthesis has no relationship with the reactants and products of cellular respiration.
b
the products of cellular respiration are the reactants of photosynthesis.
c
the reactants of photosynthesis are the reactants of cellular respiration.
d
the products of cellular respiration are the products of photosynthesis.
Question 14
Which statement best explains how aerobic respiration functions to cycle matter and energy within a cell?

a
Respiration uses sunlight energy to create glucose from carbon dioxide and water.
b
Respiration produces glucose from carbon dioxide and releases energy in the form of free electrons.
c
Respiration converts glucose to alcohol using free electrons as energy.
d
Respiration breaks down glucose and releases energy in the form of ATP.
Question 15
Match reactants and products in photosynthesis.



Column A
1.
glucose:
glucose
2.
water:
water
3.
oxygen:
oxygen
4.
carbon dioxide:
carbon dioxide
Column B
a.reactant
b.product
Question 16

What is the purpose of photosynthesis?

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a
to make sugars and store energy
b
to break down sugars and give energy
c
to release carbon monoxide
d
to create oxygen for animals to breathe
Question 17


A scientist designed an experiment to examine the effects of exercise on respiration. He collected the volume of the gases produced by a group of people as they were running, walking, and at rest for 5 minute time periods.



Which question can the scientist answer with his experiment?



a
Does the amount of time spent being active affect the volume of carbon dioxide breathed in?
b
Does the amount of oxygen produced during physical activity depend on time?
c
Does increased activity lead to a higher volume of carbon dioxide produced?
d
Does decreased activity require a higher amount of oxygen than increased activity?
Question 18
Cells store short term cell energy when:

a
the third phosphate group breaks off from an ATP molecule.
b
a third phosphate group is bonded to an ADP molecule
c
ions are released into the bloodstream.
d
they break down sucrose to glucose and fructose.
Question 19
Which statement best explains how aerobic respiration functions to cycle matter and energy within a cell?

a
Respiration uses sunlight energy to create glucose from carbon dioxide and water.
b
Respiration breaks down glucose and releases energy in the form of ATP.
c
Respiration produces glucose from carbon dioxide and releases energy in the form of free electrons.
d
Respiration converts glucose to alcohol using free electrons as energy.
Question 20
An important early step in cellular respiration is

a
the creation of phosphate.
b
the breakdown of carbon dioxide.
c
the creation of oxygen.
d
the breakdown of glucose.
Question 21
Which of the following is needed for photosynthesis to occur?

a
sugar in the plant, which transforms into light energy
b
minerals in the soil, which transform into chemical energy
c
oxygen in the air, which transforms into electrical energy
d
energy from the Sun, which transforms into chemical energy
Question 22
Which equation best summarizes the overall reactions of photosynthesis?

a
6O2 + C6H1206 → 6CO2 + 6H2O
b
6CO2 + 6H2O → C6H1206 + 6O2
c
6O2 + 6H2O + 6CO2 → C6H1206
d
6CO2 + 6O2 → C6H1206 + 6H2O
Question 23
Select all the substances that must be present in mitochondria for the process of aerobic respiration to take place.

a
oxygen
b
carbon dioxide
c
enzymes
d
organic molecules
e
chlorophyll
Question 24
The table shows the direction and function of substances in a chemical reaction that takes place in the chloroplasts of plant cells. The table is missing information at W, X, and Y.

What is substance W?



a
methane
b
sunlight
c
starch
d
minerals
Question 25
Dr Injectus treats an animal cell with a chemical that destroys the cell's mitochondria. As a result of his action, which of the cell's processes will most likely be stopped?

a
osmosis
b
aerobic respiration
c
enzyme production
d
photosynthesis

Answer 1

1. c
2. c
3. c
4. c
5. a
6. a
7. c
8. a
9. b
10. c
11. b
12. a
13. b
14. d
15.
1. b
2. a
3. b
4. a
16. a
17. c
18. a
19. b
20. d
21. d
22. b
23. a, c, d
24. b
25. b