11. In anaerobic respiration seeds respire

A In presence of O2
B In presence of CO2
C In absence of O2
D In absence of CO2
Answer :   In absence of O2
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12. Which of the following scientist discovered the conventional path of anaerobic glycolysis

A Embeden, Myerhof and Parnas
B Emerson, Hoffman and Peterson
C Embeden, Morrison and Pitcher
D Warburg, Dickens and Horecker
Answer :   Embeden, Myerhof and Parnas
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13. Cytochrome oxidase is a/an

A Exoenzyme
B Endoezyme
C Proenzyme
D Coenzyme
Answer :   Endoezyme
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14. Which of the following is not consumed in a biochemical process

A Hormone
B Enzyme
C Vitamin
D Nucleotide
Answer :   Enzyme
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15. The overall goal of glycolysis, krebs cycle and the electron transport system is the formation of

A ATP in one large oxidation reaction
B sugars
C nucleic acids
D ATP in small stepwise units
Answer :   ATP in small stepwise units
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16. In TCA cycle the conversion of succinyl CoA to succinic acid requires

A Acetyl CoA + GTP + iP
B Acetyl CoA + GDP + iP
C CoA + GTP + iP
D GDP + iP
Answer :   GDP + iP
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17. Which of the following inactivates the enzyme by hanging its shape

A Competitive inhibitor
B Allosteric inhibitor
C Coenzyme
D All of the above
Answer :   Allosteric inhibitor
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18. Who described C4 pathway for first time

A Hatch and Slack
B Robert Hill
C Hand Kerbs
D Melvin Kelvin
Answer :   Hatch and Slack
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19. More CO2 is evolved that the volume of oxygen consumed when the respiratory substrate is

A Fat
B Sucrose
C Glucose
D Organic acid
Answer :   Organic acid
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20. Aerobic respiratory pathway is appropriately termed:

A parabolic
B amphibolic
C anabolic
D catabolic
Answer :   amphibolic
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