Question:

In which one of the following do the two names refer to one and the same thing ?

Updated On: Jul 11, 2024
  • Kreb' s cycle and Calvin cycle
  • Tricarboxylic acid cycle and citric acid cycle
  • Citric acid cycle and Calvin cycle
  • Tricarboxylic acid cycle and urea cycle
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The Correct Option is B

Solution and Explanation

The reactions of Kreb's cycle were worked out by Sir Hans Kreb's, hence the name Krebs' cycle. It involves many 3-C compounds such as citric acid, cis-aconitic acid and iso-citric acid etc., so it is also called TCA cycle or tricarboxylic acid cycle. It involves formation of citric acid as its first product so it is called citric acid cycle. It involves production of 24 ATP molecules.
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Concepts Used:

Respiration in Plants

Respiration in plants is a process that entails the production of energy in plants. This process can simply be described as the intake of Oxygen and the release of Carbon Dioxide as an outcome of the oxidation of complex organic compounds. Though plants do not have any specific organ to balance the process of respiration, their stems, roots, and leaves do this work at a very low rate than other living beings. The process of respiration is very crucial for the plants to sustain the growth of the plant tissues.

This process can be stated as-

\[C_6H_{12}O_6 + 6O_2 → 6CO_2 + 6H_2O + \text{Energy}\]