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Cell Respiration And Photosynthesis
Test Description: 2nd Test Material
Instructions: Answer all questions to get your test result.
1) _______________________ is the first step in cellular respiration that begins releasing energy stored in glucose.
A
alcohol fermentation
B
Kreb's cycle
C
glycolysis
D
lactic acid fermentaion
2) If oxygen is NOT present, glycolysis is followed by _____________________
A
fermentation
B
Kreb's
C
electron transport
3) Since fermentation does not require oxygen it is said to be __________________.
A
aerobic
B
anaerobic
4) What reactants are needed for cellular respiration?
A
glucose and carbon dioxide
B
glucose and oxygen
C
carbon dioxide and oxygen
D
carbon dioxide and water
5) Which of the following is the correct sequence of events during cellular respiration?
A
Krebs cycle → Electron Transport → glycolysis
B
glycolysis → Krebs cycle → Electron Transport
C
glycolysis → fermentation → Krebs cycle
D
Electron Transport → Krebs cycle → glycolysis
6) What happens during glycolysis?
A
H+ ions and oxygen form water.
B
A glucose molecule is broken down into 2 pyruvic acid molecules.
C
Lactic acid is formed using fermentation.
D
Pyruvic acid is broken down in a series of steps into CO2
7) In eukaryotic cells, most of cellular respiration takes place in the ______________________.
A
nuclei
B
mitochondria
C
chloroplasts
D
cytoplasm
8) Which of the following are products of cellular respiration?
A
O2 and glucose
B
CO2 and glucose
C
CO2 and H2O
D
O2 and CO2
9) The net gain of ATP from GLYCOLYSIS is ___________.
A
1
B
36
C
2
D
4
10) Which stage of cellular respiration produces the most ATP’s?
A
Actyl-CoA formation
B
glycolysis
C
electron transport
D
krebs
11) Based on the cycle of photosynthesis and cellular respiration, one can say that the ultimate original source of energy for all living things on Earth is
A
water
B
glucose
C
sun
D
carbon dioxide
12) The process whereby plants capture energy and make complex molecules is known as
A
photosynthesis
B
diffusion
C
development
D
cell respiration
13) As a result of photosynthesis,
A
plants convert chlorophyll into water
B
our atmosphere is now rich in oxygen gas.
C
abundant quantities of carbon dioxide are produced
D
animals can get energy directly from the sun.
14) The organelles in plant cells that contain a green pigment and are associated with photosynthesis are the:
A
ribosomes
B
mitochondria.
C
chloroplasts.
D
Golgi apparatus.
15) Photosynthesis enables plants to produce most of the glucose that they need. What is not required for photosynthesis to take place?
A
oxygen
B
carbon dioxide
C
light
D
water
16) The two main reactants of photosynthesis are:
A
chlorophyll and oxygen
B
water and carbon dioxide
C
water and oxygen
D
glucose and carbon dioxide
17) The oxygen released into the air as a product of photosynthesis comes from
A
chlorophyll.
B
Carbon Dioxide
C
water
D
None of the above
18) The term anaerobic means
A
without O2
B
without bacteria.
C
without ATP
D
with O2
19) How is energy released from ATP?
A
breaking the bond between the 2nd and 3rd phosphate
B
breaking the bond between adenosine and the 1st phosphate
C
breaking the bond between the 3rd and 4th phosphate
D
breaking the bond between the 1st and 2nd phosphate
20) The overall equation for the aerobic cellular respiration of glucose is
A
C6H12O6 CO2 + Ethyl alcohol + ATP + Heat
B
CO2 + H2O → C6H12O6 + O2 + ATP + Heat
C
C6H12O6 → Lactic acid + ATP + Heat
D
C6H12O6 + O2 → CO2 + H2O + ATP + Heat
*select an answer for all questions
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