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Photosynthesis and Cellular Respiration Test

Total questions: 70

Worksheet time: 39mins

Name
Class
Date
1.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
2.
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
3.

What gas is released by plants during photosynthesis?

a)

nitrogen

b)

carbon dioxide

c)

oxygen

d)

hydrogen

4.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
5.
 How are cellular respiration and photosynthesis related, in terms of energy?
a)
The energy captured in photosynthesis is used to power cellular respiration. 
b)
The energy transformed in cellular respiration is used to power photosynthesis.
c)
 Photosynthesis and respiration perform the same task in terms of energy transformation.
d)
 Energy is not involved in either photosynthesis or cellular respiration.
6.
 In which way are photosynthesis and cellular respiration different?
a)
 Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
 Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
7.
 The diagram below shows the relationship between photosynthesis and cellular respiration and the organelles in which they occur. Which statement describes how photosynthesis and cellular respiration are interrelated?
a)
 Oxygen is produced during cellular respiration and stored during photosynthesis.
b)
Carbon dioxide and water released by cellular respiration are used in photosynthesis.
c)
Photosynthesis releases the energy that is stored during the process of cellular respiration.
d)
 Glucose is used during cellular respiration to produce food that is broken down during photosynthesis.
8.
 Mike has four aquatic plants of the same size and the same species. He submerges the plants in a separate beaker filled with 200 ml of water. She then sets each beaker under a different intensity of light. Mike observes that, of the four plants, the plant in the beaker under the most intense light gives off the most gas bubbles in a 20 minute period.Which of the following statements best explains Mike’s observations?
a)
Cells decompose most quickly under the most intense light.
b)
Water evaporates from plants faster under the most intense light.
c)
Photosynthesis occurs at the highest rate under the most intense light.
d)
Gases in the leaves of plants expand most under the most intense light
9.
 Which process takes place in the presence of oxygen and produces nearly 20 times as much as ATP as glycolysis alone?
a)
photosynthesis
b)
lactic acid fermentation
c)
aerobic respiration
d)
alcoholic fermentation
10.
 Which of the following structures is where photosynthesis occurs in the cell?
a)
nucleus 
b)
chloroplast
c)
mitochondria
d)
endoplasmic reticulum
11.
Two different species of bacteria are examined. Scientists find that species X always produces CO2 and H2O during cellular respiration. Species Y always produces ethyl alcohol and CO2. Which conclusion can be made from these observations?
a)
 Only species Y is aerobic.
b)
 Only species Y is anaerobic.
c)
 Both species X and Y are aerobic.
d)
 Both species X and Y are anaerobic.
12.
A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event?
a)
 As the cells run out of oxygen they switch to anaerobic respiration, which allows the cell to make small amounts of ATP in the absence of oxygen.
b)
As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.
c)
The cells will never run out of oxygen if the weightlifter is breathing.
d)
As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP.
13.
Which of the following structure is where cellular respiration occurs in the cell?
a)
nucleus
b)
cytoplasm
c)
mitochondria
d)
vacuoles
14.
What function does ATP carry out in living things?
a)
 aids in protein folding and coiling
b)
used to capture and transfer energy
c)
 identifies DNA start sequences for transcription
d)
 helps maintain the fluidity of cell membranes
15.
 Which process do the animals in the food web use to convert energy from food into ATP?
a)
cellular respiration
b)
osmosis
c)
photosynthesis
d)
transcription 
16.

In the presence of oxygen, glycolysis is followed by

a)

photosynthesis

b)

lactic acid fermentation

c)

alcoholic fermentation

d)

Krebs cycle

17.

Organisms, such as plants, that make their own food are called

a)

heterotrophs

b)

thylakoids

c)

pigments

d)

autotrophs

18.

which of these processes takes place in the cytoplasm of a cell

a)

glycolysis

b)

electron transport

c)

Krebs cycle

d)

photosynthesis

19.

What are the three parts of an ATP molecule

a)

NADH, NADPH, and FADH2

b)

adenine, ribose and three phosphate groups

c)

adenine, thylakoid, and a phosphate group

d)

stroma, grana and chlorophyll

20.

Unlike photosynthesis cellular respiration occurs in

a)

plants cells only

b)

animal cells only

c)

prokaryotic cells

d)

All eukaryotic cells

21.

Which of the following organisms makes its own food using light energy from the sun

a)

mushroom

b)

leopard

c)

oak tree

d)

amoeba

22.

cellular respiration is called an aerobic process because it requires

a)

oxygen

b)

carbon dioxide

c)

exercise

d)

glucose

23.

The two main types of fermentation are

a)

alcoholic and lactic acid

b)

aerobic and anaerobic

c)

alcoholic and aerobic

d)

lactic acid and anaerobic

24.

Most plants are green because chlorophyll:

a)

absorbs green light

b)

absorbs violet light

c)

does not absorb green light

d)

does not absorb violet light

25.

the products of photosynthesis are the

a)

products of cellular respiration

b)

reactants of cellular respiration

c)

products of glycolysis

d)

reactants of fermentation

26.

plants gather energy with light absorbing molecules called

a)

chloroplasts

b)

glucose

c)

thylakoids

d)

pigments

27.

Energy is released from ATP when

a)

a phosphate group is removed from ATP

b)

adenine bonds to ribose

c)

an adenine group is added to ATP

d)

a phosphate group is added to ATP

28.

Explain how the equations of photosynthesis and cellular respiration are related?

4 lines
29.

How does the carbon dioxide needed for photosynthesis enter the plant?

a)

through the stroma

b)

through the stomata

c)

it comes up through the roots of the plants

d)

through the thylakoid

30.

Red and blue light support the highest rates of photosynthesis because

a)

Only wavelength that carotenoid cannot absorb

b)

Chlorophylls absorb light of these wavelengths more then other wavelengths

c)

Light of these wavelengths have the highest energy in the visible spectrum

d)

Light of these wavelengths activate ATP synthase enzyme

31.

Flattend sacs of internal membranes associated with photosynthesis are called

a)

Chloroplasts

b)

The stroma

c)

Cristae

d)

Thylakoids

32.

The role of water molecule in light dependent reaction is to

a)

Hydrolyse NADP+ at the end of the ETC

b)

Involve directly in the production of ATP

c)

Replace the excited electron of reaction centre molecule in photosystem II

d)

Involve directly in Calvin Cycle

33.

Which of the following molecule below is fixed during light dependent reaction?

a)

Oxygen

b)

Carbon dioxide

c)

ATP

d)

NADPH

34.

Which of the following plants fixes carbon dioxide at night?

a)

Sugarcane

b)

Cactus

c)

Oryza sativa

d)

Hibiscus rosa-sinensis

35.

How many carbon dioxide molecule must be added to RuBP to make a single molecule of glucose?

a)

3

b)

4

c)

5

d)

6

36.

The main function of the light dependent reactions is

a)

Produce glucose from CO2 and water

b)

Produce ATP and NADPH

c)

Produce NADPH only

d)

Convert light energy to chemical energy

37.

Calvin cycle takes place in

a)

Stroma

b)

Thylakoid membrane

c)

Cytoplasm

d)

Chlorophyll

38.

Rubisco binds with both carbon dioxide and oxygen in

a)

C3 plants

b)

C4 plants

c)

CAM plants

d)

C4 plants

39.

CAM plants keep stomata closed in daytime, thus reducing the loss of water. They can do this because

a)

fix CO2 into organic acids during the night

b)

fix CO2 into sugars in the bundle-sheath cells

c)

fix CO2 into pyruvate in the mesophyll cells

d)

use the enzyme phosphofructokinase, which outcompetes rubisco for CO2

40.

Which of the following does NOT occur during the Calvin Cycle

a)

carbon fixation

b)

oxidation of NADPH

c)

release of oxygen

d)

regeneration of the carbon dioxide acceptor

41.
Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?
a)
CO2 and glucose
b)
H2O and O2
c)
electrons and H+
d)
ATP and NADPH
42.
When oxygen is released as a result of photosynthesis, it is a direct by-product of
a)
reducing NADP+
b)
splitting water molecules
c)
chemiosmosis
d)
electron transfer in photosystem II and I
43.
Which of the following statements about the relationship between photosynthesis and cellular respiration is true?
a)
In cellular respiration the biochemical pathways of photosynthesis run in reverse.
b)
In photosynthesis the biochemical pathways of cellular respiration run in reverse.
c)
Cellular respiration occurs only in animals and photosynthesis occurs only in plants.
d)

Cellular respiration is exothermic and photosynthesis is endothermic.

44.
Reactions that consume CO2 take place in
a)
the light reactions of photosynthesis only
b)
the calvin cycle only
c)
the light reactions and the calvin cycle
d)
the calvin cycle and the citric acid cycle
45.
Which of the following statements best represents the relationships between the light reactions and the Calvin cycle?
a)
The light reactions provide ATP and NADPH to the Calvin cycle, and the Calvin cycle returns ADP, ℗i, and NADP+ to the light reactions.
b)
The light reactions provide ATP and NADPH to the carbon fixation step of the Calvin cycle, and the Calvin cycle provides water and electrons to the light reactions.
c)
The light reactions supply the Calvin cycle with CO2 to produce sugars, and the Calvin cycle supplies the light reactions with sugars to produce ATP.
d)
The light reactions provide the Calvin cycle with oxygen for carbon fixation, and the Calvin cycle provides the light reactions with sugars to produce ATP.
46.
The number of ATP molecules produced out of Krebs Cycle is:
a)
2
b)
3
c)
4
d)
0
47.
How many FADH2 molecules are produced by 1 turn of the Krebs Cycle?
a)
1
b)
2
c)
3
d)
4
48.
How many NADH molecules are produced by a molecule of glucose through the Krebs' Cycle?
a)
2
b)
3
c)
4
d)
6
49.
After Krebs Cycle, how many Carbon atoms from the original glucose molecule remain?
a)
0
b)
1
c)
3
d)
2
50.
Krebs Cycle is part of_______________ respiration.
a)
Aerobic
b)
Anaerobic
51.
Prior to entering the Krebs Cycle, each pyruvate molecule loses electrons, hydrogen ions, and a carbon, forming an energy-rich molecule of
a)
Acetyl-CoA
b)
Citrate
c)
Oxaloacetate
d)
Malate
52.

The number of ATP molecules produced out of Krebs Cycle for 1 molecule of glucose is:

a)

2

b)

3

c)

4

d)

0

53.

A series of molecules that accept or donate electrons easily.

a)

Photosynthesis

b)

Electron Transport Chain

c)

Molecular Transportation

d)

Electronics Photon

54.

The final electron acceptor in electron transport chain is

a)

NAD+

b)

FAD

c)

Oxygen

d)

Water

55.

How many ATP produced for each NADH that enter the electron transport chain from Kreb's cycle?

a)

1

b)

2

c)

3

d)

4

56.

How many ATP produced for each FADH2 that enter the electron transport chain from Kreb's cycle?

a)

1

b)

2

c)

3

d)

4

57.

What does FADH2 and NADH bring to the electron transport chain?

a)

Oxygen

b)

Water

c)

Electron

d)

ATP

58.

In the absence of oxygen, ____ follows glycolysis.

a)

the link reaction

b)

the citric acid cycle

c)

fermentation

d)

the calvin cycle

59.

Which of the following processes creates the most ATP during aerobic cellular respiration?

a)

glycolysis

b)

fermentation

c)

electron transport chain

d)

Citric acid cycle

60.

If the ETC was blocked by cyanide what would happen?

a)

the mitochondrion would over heat

b)

excessive NAD+ would build up in the cells and blood

c)

oxygen levels would decrease

d)

NADH and FADH2 would be in high levels

61.

Which of the following is not true?

Cellular respiration...

a)

happens only in animals.

b)

results in 36-38 ATP.

c)

converts food to energy.

d)

consists of glycolysis, citric acid cycle, oxidative phosphorylation.

62.
Why is yeast used to bake bread? 
a)
The waste gas, CO2, makes bread rise
b)
The alcohol produced makes bread dangerous
c)
The yeast consumes O2, causing bread to rise
63.
The process carried out by yeast that causes bread to rise is
a)
alcoholic fermentation
b)
lactic acid fermentation
c)
cellular respiration
d)
yeast mitosis
64.
After intense activity, your muscles feel sore because of 
a)
the accumulation of NAD+
b)
the accumulation of lactic acid 
c)
the accumulation of ATP
d)
the accumulation of carbon dioxide
65.

At the END of Glycolysis, Glucose is broken down to 2 molecules of what?

a)

pyruvate

b)

lactic acid

c)

NADH

d)

ATP

66.

What is the ultimate goal of Fermentation?

a)

to make more ATP for the cell

b)

to make more NADH for the Electron Transport Chain

c)

to remake NAD+ for Glycolysis

d)

to make glucose for the cell

67.
Which is not part of the net products of Glycolysis?
a)
2 ATP
b)
2 NADH
c)
2 Pyruvate
d)
2 CO2
68.
Glycolysis occurs during aerobic or anaerobic conditions.
a)
True
b)
False
69.
Which of the following is not a requirement for glycolysis?
a)
Oxygen
b)
ATP
c)
NAD+
d)
Glucose
70.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction

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