1.
During conversion of pyruvic acid into acetyl CoA pyruvic acid is A.
Oxidized
B.
Reduced
C.
Isomerised
D.
Condensed
Answer :
Oxidized
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2.
The graph given below show the effect of substrate concentration on teh rate of reaction of the enzyme green-gram-phosphatase. What does the graph indicates A.
The rate of enzyme reaction is directly proportional to the substrate concentration
B.
Presence of an enzyme inhibitor in the reaction mixture
C.
Formation of an enzyme substrate complex
D.
At higher substrate concentration the pH increases
Answer :
At higher substrate concentration the pH increases
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3.
Which of the following is not a co-enzyme A.
NAD
B.
NADP
C.
FAD
D.
ATP
Answer :
ATP
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4.
In which one of the following do the two names refer to one and the same thing ? A.
Tricarboxylic acid cycle and urea cycle
B.
Krebs cycle and Calvin cycle
C.
Tricarboxylic acid cycle and citric acid cycle
D.
Citric acid cycle and Calvin cycle
Answer :
Tricarboxylic acid cycle and citric acid cycle
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5.
Oxidative phosphorylation involves simultaneous oxidation and phosphorylation to finally form A.
pyruvate
B.
NADP
C.
DPN
D.
ATP
Answer :
ATP
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6.
In Kerb's cycle A.
ADP is converted into CO2
B.
Pyuvic acid in converted into CO2 and H2 O
C.
Glucose is converted into CO2
D.
Pyruvic acid is converted into ATP
Answer :
Pyuvic acid in converted into CO2 and H2 O
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7.
R.Q. of germinating ground nut & castor seed is A.
1
B.
<1
C.
>1
D.
0
Answer :
<1
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8.
The following is required both by the process of respiration and photosynthesis A.
Carbohydrates
B.
Sunlight
C.
Chlorophyll
D.
Cytochromes
Answer :
Cytochromes
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9.
Energy produced per gram in highest in A.
Starch
B.
Sucrose
C.
Protein
D.
Lipid
Answer :
Lipid
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10.
There term "Protoplasmic respiration" is used when the respiratory substrate is A.
Carbohydrates
B.
Protein
C.
Organic acid
D.
Lipid
Answer :
Protein
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