Q. In which one of the following, the two names refer to one and the same thing?
(a) Krebs cycle and Calvin cycle
(b) Citric acid cycle and Calvin cycle
(c) Tricarboxylic acid cycle and urea cycle
(d) Tricarboxylic acid cycle and citric acid cycle
Solution :
Correct option : D Tricarboxylic acid cycle is the same as citric acid cycle. It is also known as Krebs cycle. It is called so as the first compound formed is citric acid which is a tricarboxylic acid with carboxyl groups.