Consider the following chemical reactions which take place in different organisms-tissues under various conditions-i Glucose Ethanol - Carbon dioxide - Energyii Glucose Carbon dioxide - Water - Energyiii Glucose Lactic acid - Energyc When and where does respiration represented by equation iii above take place-

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Byju's Answer

Standard XII

Biology

Short-Term Anaerobic Respiration

Consider the ...

Question

Consider the following chemical reactions which take place in different organisms/tissues under various conditions:

(i) Glucose $R e s p i r a t i o n - ------ \to$ Ethanol + Carbon dioxide + Energy
(ii) Glucose $R e s p i r a t i o n - ------ \to$ Carbon dioxide + Water + Energy
(iii) Glucose $R e s p i r a t i o n - ------ \to$ Lactic acid + Energy

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

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Solution

Lactic acid is mainly produced in muscle cells. During intense exercising, due to lack of oxygen, body dissolves glucose to produce energy and also lactic acid is produced as by-product.

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Q. Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i) Glucose

\overset{Respiration}{\to}

Ethanol + Carbon dioxide + Energy
(ii) Glucose

\overset{Respiration}{\to}

Carbon dioxide + Water + Energy
(iii) Glucose

\overset{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?
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Consider the following chemical reactions which take place in different organisms/tissues under various conditions
(i) Glucose $R e s p i r a t i o n - ------ \to$ Ethanol + Carbon dioxide + Energy
(ii) Glucose $R e s p i r a t i o n - ------ \to$ Carbon dioxide + Water + Energy
(iii) Glucose $R e s p i r a t i o n - ------ \to$ 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