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  • 1(current)
Q. No.

Match the following and choose the correct option from those given below.

Column A Column B
A. Molecular oxygen i. \(\alpha\)-Ketoglutaric acid
B. Electron acceptor ii. Hydrogen acceptor
C. Pyruvate dehydrogenase iii. Cytochrome C
D. Decarboxylation iv. Acetyl CoA

Options :

A B C D
1. ii iii iv i
2. iii iv ii i
3. ii i iii iv
4. iv iii i ii
Subtopic:  Introduction | Fermentation | Aerobic Respiration |
 86%
Level 1: 80%+
Hints

The enzyme lactate dehydrogenase catalyses:

1. the oxidation of pyruvate to lactate to regenerate NAD+.
2. the reduction of pyruvate to lactate to regenerate NAD+.
3. the reduction of pyruvate to lactate to regenerate NADH.
4. the oxidation of pyruvate to lactate to regenerate NADH.
Subtopic:  Fermentation |
 50%
Level 3: 35%-60%
Hints
Consider the given two statements:
I: Yeast fermentation produces ethanol and carbon dioxide.
II: Yeast fermentation regenerates NADH.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Fermentation |
 62%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): 
Assertion (A): The maximum concentration of alcohol in beverages that are naturally fermented with yeast is about 13%.
Reason (R): In alcohol fermentation, yeast converts pyruvic acid to ethanol and carbon dioxide.
In the light of the above statements choose the correct answer from the options given below:
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Fermentation |
 75%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
  • 1(current)
Q. No.

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