Question

Respiration in plants

differentiate between aerobic respiration and fermentation
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Answer 1

Aerobic respiration

$\bigstar$ It is used for breaking the respiratory material into simpler substance.

$\bigstar$ It consists of three steps glycolysis, kreb's cycle and terminal oxidation.

$\bigstar$ Respiratory material is completely oxidised

$\bigstar$ 686 Kcal of energy are produced per gm mole of glucose.

$\bigstar$ The end product are inorganic compounds.

Fermentation

$\bigstar$ Oxygen is not used in breakdown of respiratory substrate.

$\bigstar$ It consists of two steps glycolysis and incomplete breakdown of pyruvate.

$\bigstar$ Respiratory material is incompletely broken.

$\bigstar$ 39 to 59 Kcal of energy are formed per gm mole of glucose.

$\bigstar$ The end product is organic. sometimes inorganic compounds are also produced.