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 H2O
C Glucose is converted into CO2
D Pyruvic acid is converted into ATP
Answer :   Pyuvic acid in converted into CO2 and H2O
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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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