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Energetics Unit Review

Total questions: 88

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

Enzymes catalyze reactions by ...

a)

Slowing the movement of molecules.

b)

Being consumed in reactions.

c)

Allowing feedback inhibition.

d)

Lowering the activation energy.

2.

Complete the formula for photosynthesis: _____ + 6H20 --> C6H12O6 + 6CO2

a)

6CO2

b)

ATP

c)

4CH2O

d)

Glucose

3.

The oxygen that is released as a byproduct in photosynthesis us derived from ...

a)

Glucose

b)

Carbon Dioxide

c)

Water

d)

NADPH

4.

The light dependent reactions occur in the _____ and the Calvin cycle occurs in the ____.

a)

Chloroplast, Mitohcondria

b)

Mesophyll, Stomata

c)

Bundle sheath cells, stromal lamellae

d)

Thylakoid membrane, Stroma

5.

Without water, plants would die. From the list below, which option provides the most accurate explanation for why plants cannot survive without water.

a)

The splitting of water fixes carbon dioxide in the Calvin cycle, allowing for the production of G3P.

b)

The splitting of water provides the electrons needed to turn ADP to ATP in the Calvin Cycle.

c)

Oxygen is provided during the splitting of water, which is necessary for plant tissues.

d)

The electrons gathered from the splitting of water allows for the conversion of NADP+ to NADPH in the light dependent reactions.

6.

Which of the following does NOT occur during the Calvin cycle?

a)

Carbon fixation

b)

Release of oxygen

c)

Conversion of ATP

d)

Production of a carbohydrate.

7.

What is the major source of fuel for animals?

a)

Starch

b)

Proteins

c)

Lipids

d)

Fats

8.

What is the product of glycolysis?

a)

Pyruvate

b)

Citrate

c)

Lactate

d)

Ehtanol

9.

Acetyl CoA is produced from what molecule?

a)

Citrate

b)

ATP synthase

c)

Carbon Dioxide

d)

Pyruvate

10.

In cellular respiration, electrons are passed to a series of electron acceptors by _____ and ____, which leads them to their final electro acceptor ____. Which option below correctly fills in the blanks?

a)

NADP+, NADPH, Oxygen

b)

Glucose, pyruvate, citrate

c)

NADH, FADH2, oxygen

d)

NADH, ATP, ATP synthase

11.

Which process of cellular respiration will remain constant, regardless of the presence of oxygen?

a)

Glycolysis

b)

Pyruvate oxidation

c)

Citric acid cycle

d)

The ETC

12.

What is the energy transformation that occurs in photosynthesis?

a)

Light energy to Chemical energy

b)

Light energy to Electrical energy

c)

Chemical energy to Light Energy

13.

Which organelle is only in PLANT cells?

a)

Mitochondria

b)

Cell Membrane

c)

Chloroplast

d)

Nucleus

14.

What are the 2 products of photosynthesis?

a)

Sugar and CO

b)

sugar and O2

c)

H2O and CO2

d)

H2O and CO2

15.

Photosynthesis

a)

process used by plants and other organisms to convert light energy into chemical energy

b)

synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals

c)

metabolic pathway that uses glucose to produce adenosine triphosphate (ATP)

d)

chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat

16.

Cellular Respiration

a)

process used by plants and other organisms to convert light energy into chemical energy

b)

synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals

c)

metabolic pathway that uses glucose to produce adenosine triphosphate (ATP)

d)

chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat

17.

ATP

a)

series of chemical reactions that occurs as part of the dark reactions of photosynthesis

b)

series of chemical reactions to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins

c)

organic compound that provides energy to drive many processes in living cells

d)

linear network of links in a food web starting from producer organisms and ending at an apex predator species, detritivores, or decomposer species

18.

Food Chain

a)

series of chemical reactions that occurs as part of the dark reactions of photosynthesis

b)

series of chemical reactions to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins

c)

organic compound that provides energy to drive many processes in living cells

d)

linear network of links in a food web starting from producer organisms and ending at an apex predator species, detritivores, or decomposer species

19.

Trophic Pyramid

a)

graphical representation, showing the flow of energy at each level in an ecosystem

b)

an organism that eats other plants or animals for energy and nutrients

c)

an organism that can produce its own food using light, water, carbon dioxide, or other chemicals

d)

organism, especially a soil bacterium, fungus, or invertebrate, that breaks down organic material

20.

Heterotroph

a)

graphical representation, showing the flow of energy at each level in an ecosystem

b)

an organism that eats other plants or animals for energy and nutrients

c)

an organism that can produce its own food using light, water, carbon dioxide, or other chemicals

d)

organism, especially a soil bacterium, fungus, or invertebrate, that breaks down organic material

21.

Autotroph

a)

graphical representation, showing the flow of energy at each level in an ecosystem

b)

an organism that eats other plants or animals for energy and nutrients

c)

an organism that can produce its own food using light, water, carbon dioxide, or other chemicals

d)

organism, especially a soil bacterium, fungus, or invertebrate, that breaks down organic material

22.

Herbivore

a)

an organism that eats food of both plant and animal origin

b)

an organism that feeds on flesh

c)

an organism that feeds on plants

d)

an organism which feeds on dead organic material

23.

Carnivore

a)

an organism that eats food of both plant and animal origin

b)

an organism that feeds on flesh

c)

an organism that feeds on plants

d)

an organism which feeds on dead organic material

24.

Omnivore

a)

an organism that eats food of both plant and animal origin

b)

an organism that feeds on flesh

c)

an organism that feeds on plants

d)

an organism which feeds on dead organic material

25.
The light reactions occur in the ________ and the dark reactions take place in the ________.
a)
Chloroplast / thylakoid membrane
b)
stroma / thylakoid
c)
mesophyl / stomata
d)
thylakoid membrane / stroma
26.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
27.
Where does glycolysis occur?
a)
Inner mitochondrial membrane
b)
Mitochondrial Matrix
c)
Cytosol
d)
At a ribosome
28.
site of the krebs cycle
a)
1
b)
2
c)
3
d)
4
29.
Where does ETC occur?
a)
Mitochondrial matrix
b)
Outer mitochondrial membrane
c)
Inner mitochondrial membrane
d)
Cytosol
30.
Which of the following statements are false?
a)
Glycolysis can occur with or without oxygen
b)
Glycolysis is the first step in both anaerobic and aerobic respiration
c)
Glycolysis occurs in the mitochondria
d)
Glycolysis produces 2 ATP, 2 Pyruvates, and 2 NADH
31.
How is cellular respiration related to photosynthesis?
a)
Both require oxygen to start
b)
respiration is the opposite of photosynthesis
c)
Both start with glycolysis
d)
Both end with 38 ATP for cells
32.

Which organelle is the site of Cell Respiration in Eukaryotes?

a)

Chlorplast

b)

Mitchondria

c)

Nucleus

d)

Cell Membrane

33.

Where does photosynthesis take place?

a)

mitochondria

b)

nucleus

c)

chloroplast

d)

ribosome

34.

Which chemical reaction shows the correct equation for photosynthesis?

a)

oxygen + glucose -> carbon dioxide + water + ATP

b)

oxygen + glucose + ATP -> carbon dioxide + water

c)

carbon dioxide + water -> oxygen + glucose + sunlight

d)

carbon dioxide + water + sunlight -> oxygen + glucose

35.

Which of these is created in the mitochondria?

a)

glucose

b)

ATP

c)

protein

d)

nutrients

36.
The fluid like substance found inside the chloroplast is called
a)
Cytoplasm
b)
Stroma
c)
Thykloids
d)
Cell Wall
37.
__________ is a stack of thylakoids
a)
Granum
b)
Stomata
c)
Stroma
d)
Chloroplast
38.
a)
Stroma
b)
Thylakoid
c)
Skittle
d)
Grana
39.
a)
Flapjack Stack
b)
Grana
c)
Thylakoid
d)
Stroma
40.

From what source do plants primarily obtain the materials to produce glucose in the Calvin cycle?

a)

oxygen

b)

carbon dioxide

c)

water

d)

sunlight

41.

What is the chemical equation for photosynthesis?

a)

6CO2 + 6H2O -> C6H12O6 + 6O2

b)

6CO2 + 6H2O + ATP -> C6H12O6 + 6O2

c)

C6H12O6 + 6O2 -> 6CO2 + 6H2O

d)

6CO2 + 6H2O + light energy ->

C6H12O6 + 6O2

42.

Which cell process is represented by this equation:

C6H12O6 + O2 → CO2 + H2O + ATP

a)

diffusion

b)

photosynthesis

c)

cell respiration

d)

mitosis

43.
C6H12O6 + 6O2 → 6H2O + 6CO2 + energy (ATP)
This is the equation for which process?
a)
Photosynthesis
b)
Cellular Respiration
44.

Where does cellular respiration take place?

a)

chloroplast

b)

lungs

c)

mitochondria

d)

nucleus

45.
What is the function of ATP in living things?
a)
provides energy for cells
b)
stores genetic information
c)
provides structure in the nucleus
46.
Which structures shown in the Figure make up the ADP molecule?
a)
A and B
b)
A, B and C
c)
A, B, C, and D
d)
C and D
47.
What are the parts of the ATP molecule?
a)
adenine, thylakoids, stroma
b)
stroma, grana, chlorophyll
c)
adenine, ribose, phosphate groups
d)
NADH, NAHPH, FADH
48.
Which bond of the ATP molecule is broken in order to release energy?
a)
A
b)
B
c)
C
d)
D
49.
Which structures shown in the Figure make up the ATP molecule?
a)
A and B
b)
A, B and C
c)
A, B, C, and D
d)
C and D
50.
Which of the following results in the storage of energy in terms of the ATP/ADP cycle?
a)
The breaking of the bond between the 5-carbon sugar and the 1st phosphate group
b)
The addition of a phosphate group
c)
The removal of a phosphate group
d)
The addition of glucose 
51.
Where is the energy stored in ATP molecules
a)
In the Ribose Sugar
b)
In the Adenine group
c)
In the Phosphate bonds
d)
In the Bank
52.
What type of macromolecule is ATP/ADP?
a)
Carbohydrate
b)
Nucleic Acid
c)
Lipid
d)
Protein
53.

What does ATP stand for?

a)

Adenosine diphosphate

b)

Adenosine triphosphate

54.

What is the name of the nitrogenous base that helps make up ATP?

a)

Adenine

b)

Guanine

c)

Thymine

d)

Cytosine

55.

How is ADP converted back to ATP?

a)

Phosphate group is removed.

b)

Phosphate group is added.

56.
Which cellular organelle is responsible for manufacturing ATP?
a)
Ribosome
b)
Nucleus
c)
Mitochondria
d)
Chloroplast
57.

Which of these organisms produce ATP through cellular respiration?

a)

Plants

b)

Animals

c)

Both

d)

Neither

58.

What substance helps in removing a phosphate?

a)

Adenosine

b)

Water

c)

Hydrogen

d)

Phosphates

59.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
60.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
61.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

62.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
63.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
64.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
65.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
66.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
67.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
68.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
69.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die.

b)

The shape of the enzyme are changed and it denatures

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

70.

Organisms that can make their own food are called

a)

Consumers

b)

Producers

c)

Omnivores

d)

Decomposers

71.

Producers get their energy from

a)

coffee

b)

the soil

c)

water

d)

the sun

72.

Organisms that have to eat other organisms are called

a)

producers

b)

autotrophs

c)

consumers

d)

prey

73.

Another word for producer is

a)

autotroph

b)

heterotroph

c)

carnivore

d)

decomposer

74.

An organism that cannot make its own food is called a(n)

a)

autotroph

b)

heterotroph

c)

producer

75.

An organism that only eats plants is call a(n)

a)

carnivore

b)

omnivore

c)

herbivore

d)

detritivore

76.

An organism that eats both plants and animals is called a(n)

a)

carnivore

b)

omnivore

c)

herbivore

d)

detritivore

77.

An organism that eats dead material is called a(n)

a)

carnivore

b)

omnivore

c)

herbivore

d)

detritivore

78.

An organism that only eats animals is called a(n)

a)

carnivore

b)

omnivore

c)

herbivore

d)

detritivore

79.

___% of energy is passed from one organism to another.

a)

1

b)

10

c)

100

d)

1000

80.

This diagram shows how energy flows through an eco-system. What is the first source of energy in this pyramid?

a)

sharks and large birds

b)

algae, plankton and seagrass

c)

herbivorous fish, crustaceans and sea urchins

d)

seals and carnivorous fish

81.
If there are 100 Kcal of energy available in the producers, how much energy would be available in the herbivores?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
82.
How much of the energy in each level of a ecological pyramid gets lost as heat or used by the organism so that it cannot be passed on to the next trophic level?
a)
80%
b)
90%
c)
10%
d)
20%
83.

How much energy is moved from one trophic level to the next trophic level?

a)

100%

b)

1/2

c)

10%

d)

25%

84.

How many calories will be passed on from 250 to the next trophic level?

a)

2,500

b)

25

c)

2.5

d)

10%

85.
The efficiency of energy transfer from a lower trophic level to the next highest level is roughly
a)
1%
b)
10%
c)
100%
d)
1000%
86.
Which animal is the apex predator?
a)
hawk
b)
lizard
c)
snake
d)
grass
87.
An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.
a)
producer
b)
consumer
c)
decomposer
d)
autotroph
88.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.

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