question_answer

DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 1 Respiration is the basic characteristics of all living beings. It is an energy releasing reaction. In this process the living cells break down the complex high energy food molecules into simple low energy molecules by oxidation, forming carbon dioxide and water. In this a large amount of energy is released, which is used to carry out various life activities by the organism. In the process of respiration which of the following get oxidized?

A) oxalic acid                  

B) glucose

C) lactic acid                   

D) all of these