The product of anaerobic respiration in muscles is:

Alcohol

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Lactic acid

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Water

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Carbon dioxide

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Solution

The correct option is B
Lactic acid

Our muscles generally respire aerobically. During heavy exercises, the demand for energy in these cells are high but the supply of oxygen to produce energy is limited. In such situations, the muscle cells turn to anaerobic respiration to fulfil the energy demands. The anaerobic breakdown of glucose produces lactic acid in muscles.

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Similar questions

The following is a simplified diagram showing the fate of glucose during aerobic and anaerobic respiration. Identify the end products that are formed at stages indicated A, B, C, and D. Identify the correct option from those given below.

Question 1
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?

(a) Alcohol and lactic acid
(b) Alcohol and $C O_{2}$
(c) Lactic acid and $C O_{2}$
(d) Lactic acid only

Q. Our muscles get muscle cramp because our muscles can respire anaerobically, resulting in the formation of lactic acid. How does this lactic acid help? How?

Q. Assertion :Anaerobic respiration sometimes occurs in our skeletal muscles during strenous exercise. Reason: Pyruvic acid is reduced to lactic acid by lactate dehydrogenase in the absence of oxygen.

Mention if the following statements are true or false. If false, rewrite them correctly.

(a) Aerobic respiration of one mole of glucose yields 138 ATP

(b) Anaerobic respiration in plants yields lactic acid.

(d) All leaves of a green plant normally respire anaerobically at night.

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