21. The first enzyme isolated in cystalline form was

A Catalase
B Urease
C Perozidase
D Amylase
Answer :   Urease
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22. The site of EMP pathway is cell is

A Peroxisome
B Cytoplasm
C Matrix of mitochondria
D Inner membrane of mitochondria
Answer :   Cytoplasm
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23. Which of the following is not an intermediate in Kerbs cycle

A Acetic acid
B Succinyl coenzyme-A
C Malic acid
D Citric acid
Answer :   Acetic acid
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24. Glycolysis is the conversion of

A Glucose to glycogen
B Glygogen to glucose
C Glucose to pyruvic acid
D Glucose to citric acid
Answer :   Glucose to pyruvic acid
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25. Which of the following accepts terminal electron during aerobic respiration

A Molecular O2
B Molecular H32
C Molecular CO2
D Oxidation of NO2
Answer :   Molecular O2
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26. How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of clucose to CO2 and H2O yields 686 kcal and the useful chemical energyavailable in the high energy phosphate bond of one mole of ATP is 12 Kcal

A 57
B 1
C 2
D 30
Answer :   57
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27. Yeast enzyme which converts glucose into ethyl alcohol is called

A Diastase
B Invertase
C Zymase
D Maltase
Answer :   Zymase
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28. The correct sequence of electron acceptor in ATP synthesis

A Cyt a, a3, b, c
B Cyt b, c, a, a3
C Cyt b, C3, a, a3
D Cyt c, b, a, a3
Answer :   Cyt b, c, a, a3
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29. How many times CO2 released in aerobic respiration

A One or two
B Three
C Six
D Twelve
Answer :   Three
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30. In C3 plants the first stable product of photosynthesis is

A Malic acid
B Oxaloacetic acid
C Phosphoglyceric acid (PGA)
D Phosphoglyceraldehyde (PGAL)
Answer :   Phosphoglyceric acid (PGA)
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