The products of fermentation do not include:

1.	CO2	2.	O2
3.	ethanol	4.	lactate

Oxidative decarboxylation of pyruvate produces:

The stage of cellular respiration that directly involves oxygen is:

Consider the steps of glycolysis given in the diagram:
  
Regarding reaction 3 in the diagram:

1. Only I is true
2. Only II is true
3. Both I and II are true
4. Both I and II are false

In aerobic respiration, oxygen acts as:

${\mathrm{FADH}}_2$ is produced in

Krebs cycle is also called as:

A five carbon amino acid can be formed by which of the following intermediates of Krebs cycle?

The components of the mitochondrial electron transport chain are located:
1. in mitochondrial matrix
2. in outer mitochondrial membrane
3. in inner mitochondrial membrane
4. in intermembrane space