Why is respiration considered an exothermic reaction ? Explain.

Q.

Consider the following chemical reactions which take place in different organisms/tissues under various conditions
(i) Glucose $\stackrel{Respiration}{\to }$ Ethanol + Carbon dioxide + Energy
(ii) Glucose $\stackrel{Respiration}{\to }$ Carbon dioxide + Water + Energy
(iii) Glucose $\stackrel{Respiration}{\to }$ Lactic acid + Energy

(a) Name one organism which respires according to equation (i)above.
(b) Name one organism which respires according to equation (ii) above.

(c) When and where does respiration represented by equation (iii) above take place?
(d) Which equation/equations represent aerobic respiration?
(e) Which equation/equations represent anaerobic respiration?
(f)Which of the above reactions produces the maximum amount of energy?

Q. Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i) Glucose $\stackrel{\mathrm{Respiration}}{\to }$ Ethanol + Carbon dioxide + Energy
(ii) Glucose $\stackrel{\mathrm{Respiration}}{\to }$ Carbon dioxide + Water + Energy
(iii) Glucose $\stackrel{\mathrm{Respiration}}{\to }$ Lactic acid + Energy
(a) Name one organism which respires according to equation (i) above.
(b) Name one organism which respires according to equation (ii) above.
(c) When and where does respiration represented by equation (iii) above take place?
(d) Which equation/equations represent aerobic respiration?
(e) Which equation/equations represent anaerobic respiration?
(f) Which of the above reactions produces the maximum amount of energy?

Q. Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i)$\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Ethanol}+\text{Carbon dioxide}+\text{Energy}$
(ii)$\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Carbon dioxide}+\text{Water}+\text{Energy}$
(iii) $\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Lactic acid}+\text{Energy}$

(f) Which of the following above reactions produces the maximum amount of energy?

Q. Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i)$\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Ethanol}+\text{Carbon dioxide}+\text{Energy}$
(ii)$\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Carbon dioxide}+\text{Water}+\text{Energy}$
(iii) $\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Lactic acid}+\text{Energy}$

(c) When and where does respiration represented by equation (iii) above take place?

Q. Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i)$\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Ethanol}+\text{Carbon dioxide}+\text{Energy}$
(ii)$\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Carbon dioxide}+\text{Water}+\text{Energy}$
(iii) $\text{Glucose}\stackrel{\text{Respiration}}{\to }\text{Lactic acid}+\text{Energy}$

(a) Name one organism which respires according to equation (i) above.