Assertion(A): In aerobic respiration presence of O2 is necessary.
Reason(R): O2 in aerobic respiration plays only one role i.e. terminal acceptor of the electron.
In the following questions, a statement of assertion (A) is followed by a statement of the reason (R).
1. Both (A) & (R) are true and (R) is the correct explanation of (A)
2. Both (A) & (R) are true but (R) is not the correct explanation of (A).
3. (A) is a true statement but (R) is false.
4. Both (A) and (R) are false statements.
Subtopic:  Aerobic Respiration | ETS:2 | ETS:1 |
 72%
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Match the following columns.

Column I

Column II

A. Molecular oxygen

B. Electron acceptor

C. Pyruvate dehydrogenase

D. Decarboxylation

1. α- ketoglutaric acid 

2. Hydrogen acceptor

3.  Cytochrome-c 

4. Acetyl Co - A

Codes 

Options:  A   B   C   D 
1. 2 3 4 1
2. 3 4 2 1
3. 2 1 3 4
4. 4 3 1 2

Subtopic:  Aerobic Respiration | Oxidative Phosphorylation |
 86%
From NCERT
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