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Online Tests
MDCAT Biology Chapter 2 Bio-energetic Online Test MCQs With Answers
Question # 1
The site for oxidative phosphorylation in mitochondria
Choose an answer
Mitochondrial matrix
Outer compartment
F1 particles
Cristae
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Question # 2
The most abundant protein in nature is
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RuBP
Rubisco
Ribulose bisphosphate carboxylase
Both B and C
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Question # 3
Very first product formed from carbon fixation in a calvin cycle
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Unstable 3C compound
Unstable 6 Carbon compound
Stable 3C compound
Stable 6C compound
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Question # 4
Which of the following statement is true for absorption spectra of photosynthesis
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Chlorophyll a and b have same absorption spectra
Chlorophyll a and b have different absorption spectra
Chlorophyll a and carotenoids have same absorption spectra
Chlorophyll b and carotenoids have same absorption spectra
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Question # 5
Color of chlorophyll b is
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Blue green
Yellow green
Orange red
Yellow orange
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Question # 6
Number of ATPs produced by aerobic respiration in bacteria
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38
36
34
32
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Question # 7
Indirect ATP is formed during the production of ___ in krebs cycle
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Isocitrate
Succinate
Citrate
Malate
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Question # 8
Fermentation is
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Incomplete oxidation of proteins
Complete oxidation of carbohydrates
Aerobic respiration
Incomplete oxidation of carbohydrates
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Question # 9
Which of the following is incorrect about action spectrum
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It tells effectiveness of light
Valley is broad
Peaks are broad
It is indicated by consumption of CO2
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Question # 10
Components of respiratory electron transport chain are
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2
3
4
5
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Question # 11
Cytochrome b is oxidized by ___ in respiratory chain
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Coenzyme Q
Cytochrome c
Cytochrome a
Oxygen
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Question # 12
When equal intensities of light are given, photosynthesis is maximum in ___ part
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Blue
Orange
Red
Violet
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Question # 13
In Glycolysis the net gain is 2 ATP and 2 molecules of
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NADH
2
FADH
2
FMNH
2
FAD
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Question # 14
It is universal hydrogen acceptor
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ATP
FMN
CoA
NAD
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Question # 15
What happens in the light phase of photosynthesis?
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ADP is hydrolyzed and NADP is oxidized
ATP is synthesized by photophosphorylation and NADP is reduced
ATP is hydrolyzed and NADPH is oxidized
ADP is hydrolyzed and NADP is reduced
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Question # 16
Which of the following oxidizes malate to oxaloacetate in kreb’s cycle?
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ATP
NADP+
NAD+
FAD
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Question # 17
How much energy present in chemical bonds of glucose converted into ATP
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1%
2%
5%
10%
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Question # 18
In glycolysis 2PG is converted to PEP by
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Dehydration
Decarboxylation
Phosphorylation
Oxidation
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Question # 19
Iron containing proteins which act as carriers in ETC
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Plastoquinine
Cyt. complex
Plastocyanin
None
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Question # 20
Which of the following is not absent in cyclic electron flow
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Photolysis
Phosphorylation
NADP reductase
PS ll
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