WorksheetsAerobic respiration check questions
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Most of the energy in the food we eat is stored in what compounds? Check all that apply.
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
2.
Energy in food molecules can't be used until it's converted to what molecule?
(a)
3.
What process coverts food molecules to ATP?
a)
cellular respiration
b)
photosynthesis
c)
decomposition
d)
dehydration synthesis
4.
Which molecule contains more energy, one gram of fat or carbohydrate?
a)
fat
b)
carbohydrate
c)
they have the same amount
5.
Cellular respiration begins with what process?
(a)
6.
Name the electron carrier molecule formed at the end of the second stage of glycolysis.
a)
NADPH
b)
ADP
c)
NADH
d)
FADH2
7.
Name the 3 Carbon molecule formed at the end of glycolysis.
(a)
8.
Glycolysis produces a net gain of how many ATP molecules?
a)
1
b)
2
c)
3
d)
4
9.
How is an anaerobic process different from an aerobic process?
a)
anaerobic doesn't use oxygen
b)
anaerobic uses oxygen
c)
anaerobic makes more energy
d)
anaerobic occurs in the mitochondria
10.
T or F Glycolysis is anaerobic
a)
True
b)
False
11.
Name the cycle where pyruvate molecules are converted into more ATP. Check all names for the cycle.
a)
Kreb's
b)
Citric Acid
c)
Calvin
d)
Water cycle
12.
How many TOTAL ATP molecules can be produced in aerobic respiration counting those produced in glycolysis?
(a)
13.
Where does glycolysis take place in a cell?
a)
mitochondria
b)
cytoplasm
c)
chloroplast
d)
nucleus
14.
Both NADH and FADH2 deliver what substance to the ETC that powers the pumping of H+ ions into the outer compartment of the mitochondria?
(a)
15.
How is ATP used in chemical reactions?
a)
a phosphate group is added
b)
a phosphate group is broken off
c)
the adenine is removed
d)
the sugar is broken down
16.
How does the inner membrane of a mitochondria support maximum ATP production?
a)
it is smooth with a high surface area
b)
it is highly folded with a high surface area
c)
it is highly folded with a low surface area
d)
it is smooth with a low surface area
17.
Oxygen combines with what two substances to form water?
a)
hydrogens
b)
electrons
c)
carbon
d)
magic
e)
rainbows and moonbeams (just kidding - you won't get points for this one)
18.
What happens if oxygen is absent inside the mitochondria?
a)
ATP cannot be created because the ETC backs up
b)
ATP cannot be created because there is no ADP
c)
ATP is tripled in production
d)
nothing happens
19.
Which step produces the most ATP?
a)
glycolysis
b)
Kreb's cycle
c)
ETC
20.
True or false: The more energy a cell needs, the less mitochondria it will have.
a)
true
b)
false
100 %
