WorksheetsRespiration and Photosynthesis
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
When ATP breaks down to ADP and Pi,
a)
many enzymes are destroyed
b)
high temperatures are generated
c)
energy is released which can then be used by the cell
d)
hydrogen and carbon dioxide are produced as wastes
2.
Which of the following is not part of the ATP molecule?
a)
ribose
b)
adenine
c)
thymine
d)
phosphate
3.
In cellular respiration, production of CO2
a)
results from the breakdown of ATP
b)
occurs in greatest quantities during the Kreb's Cycle
c)
occurs each time an ATP is produced
d)
takes place only in glycolysis
4.
Fermentation of Glucose results in
a)
the formation of nucleis acids from nucleotides
b)
high energy yield of nearly 36 molecules of ATP for each glucose molecule
c)
energy being released as the result of oxidation
d)
a low energy yield of about 2 molecules of ATP to each glucose molecule.
5.
The efficiency of energy released from glucose during anaerobic respiration is about
a)
62.5|%
b)
2.4%
c)
100%
d)
80%
6.
Within the cell, the site of aerobic respiration is the
a)
nucleolus
b)
golgi bodies
c)
ribosomes
d)
mitochondria
7.
Aerobic respiration requires the presence of
a)
carbon dioxide
b)
water
c)
oxygen
d)
hydrogen
8.
Glycolysis is best represented by
a)
glucose---> pyruvic acid---> citric acid
b)
glucose ---> 2 pyruvic acid + 2 ATP + 4 NADH
c)
glucose---> CO2 and O2
d)
CO2 +H2O---> C6H12O6
9.
The purpose of cellular respiration is to transfer energy from
a)
ATP to glucose
b)
enzymes to CO2
c)
glucose to ATP
d)
glucose to CO2
10.
Anaerobic respiration in humans is most often carried out in
a)
heart tissue
b)
liver tissue
c)
brain tissue
d)
muscle tissue
11.
During the ATP-ADP cycle, energy is used to join ADP and a(n)
a)
ATP
b)
oxygen
c)
inorganic phosphate
d)
glucose
12.
The final electron acceptor in aerobic respiration (during oxidative phosphorylation) is
a)
ADP
b)
lactic acid
c)
CO2
d)
Oxygen
13.
Where the breakdown of glucose is started, resulting in two pyruvic acids and a small amount of ATP
a)
Oxidative-Phosphorylation
b)
Glycolysis
c)
Kreb's Cycle
14.
Results in the formation of 4 CO2 molecules
a)
Oxidative-Phosphorylation
b)
Glycolysis
c)
Kreb's Cycle
15.
Results in the formation of a total of 8 Hydrogen Carriers
a)
Oxidative-Phosphorylation
b)
Glycolysis
c)
Kreb's Cycle
16.
Hydrogen ions and electrons are passed along an electron transport chain the inner membrane of the mitochondria, resulting in the formation of large amounts of ATP.
a)
Oxidative-Phosphorylation
b)
Glycolysis
c)
Kreb's Cycle
17.
A process which occurs completely in the cytoplasm of the cell
a)
Oxidative-Phosphorylation
b)
Gylcolysis
c)
Kreb's Cycle
18.
The second instance of CO2 release occurs here.
a)
Oxidative-Phosphorylation
b)
Glycolysis
c)
Kreb's Cycle
19.
CoA is released and its 2-C fragment joins with oxaloacetate
a)
Oxidative-Phosphorylation
b)
Glycolysis
c)
Kreb's Cycle
20.
Four ATP's are produced with a net gain of 2 ATP's.
a)
Oxidative-Phosphorylation
b)
Glycolysis
c)
Kreb's Cycle
21.
The role of NAD in cellular respiration is as a...
a)
an enzyme
b)
an electron donor
c)
a hydrogen carrier
d)
an energy source
22.
Most of the energy stored in the glucose molecule is converted into ATP during ...
a)
fermentation
b)
the Kreb's Cycle
c)
The Calvin Cycle
d)
Oxidative-Phosphorylation
23.
Water, a waste product of aerobic respiration, is formed
a)
during the Kreb's cycle
b)
in the intermediate reactions between glycolysis and the Kreb's cycle
c)
at the end of the oxidative-phosphorylation
d)
at the end of glycolysis
24.
The process which converts inorganic compounds to organic compunds is called..
a)
Photosynthesis
b)
glycolysis
c)
fermentation
d)
respiration
25.
Oxygen gas released in photosynthesis results from the breakdown of
a)
water
b)
carbon dioxide
c)
PGAL
d)
NADP
26.
Which of the following statements concerning the comparison between the Kreb's cycle and the Calvin cycle is not correct?
a)
Both produce carbon molecules for use in biosynthetic reactions
b)
Carbon dioxide is used in the Calvin cycle and released in the Kreb's cycle.
c)
ATP is used in the Kreb’s cycle and formed during the Calvin cycle.
d)
NADPH is used in the Calvin cycle and NADH2 is produced in the Kreb's cycle.
27.
The Light Reactions of photosynthesis
a)
produce ADP and NADPH
b)
Prpudce ATP, NADPH and releases O2
c)
produce only ATP and releases O2
d)
Produce only NADPH and releases O2
28.
Green plants appear green because
a)
they contain chlorophyll which is green
b)
all the cells are green
c)
the chlorophyll absorbs green wave lengths of light
d)
the chlorophyll reflects green wave lengths of light
29.
Plants grow best under light with the wavelengths of
a)
yellow and blue
b)
red and green
c)
green and blue
d)
red and blue
30.
Recent evidence indicates that oxygen released during photosynthesis comes from
a)
both CO2 and H2O
b)
CO2 only
c)
H2O only
d)
Glucose only
31.
Which is the immediate energy source for the "light independent reaction" of photosynthesis?
a)
CO2 and H2O
b)
PGAL
c)
ATP and NADPH
d)
ADP and NADP
32.
Photosynthesis consists of essentially two sets of reactions following in sequence. The second of these sets of reactions does which of the following?
a)
Works only in the absence of light
b)
Traps light energy
c)
Occurs in the nucleus
d)
Fixes carbon from atmospheric CO2 into glucose.
33.
The "first step" in photosynthesis is the
a)
Joining of two 3-carbon compounds to form glucose
b)
formation of ATP
c)
ionization of water
d)
excitement of the electrons in chlorophyll a by a photon of light
34.
The benefit of a hamster and a plant growing in the same sealed container would be
a)
The hamster would receive oxygen from the plant and the plant would receive carbon dioxide from the hamster.
b)
The hamster would receive carbon dioxide from the plant and the plant would receive oxygen from the hamster
c)
The plant would keep the hamster company.
d)
There would be no benefit.
35.
Phosphoglyceraldehyde (PGAL) is the only new product of the "light independent reaction". This material is then used to
a)
transport electrons
b)
transport hydrogen to the light independent reactions
c)
form either glucose or RuP
d)
removes wastes from the plant cell
100 %
