Question

diffrentiate between-combustion and respiration.​

Answer 1

Respiration:

• It is a cellular process (takes place inside cells)

• Energy is released in the form of heat.

• Temperature is controlled.

• Oxidation occurs.

• Enzymes take place in the process.

Combustion:

• Not a cellular process.

• Energy is released in a single step.

• Temperature is very high.

• Already oxidised.

• No enzymes take place in this process.

Answer 2

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$\longrightarrow$Fuel for oxidation reaction in respiration is food whereas fuel for oxidation reaction in combustion is usually hydrocarbons.

$\longrightarrow$Respiration is a cellular processwhere asCombustion does not occur inside the living cell

$\longrightarrow$Respiration is a controlled biological process where as Combustion is an uncontrolled process.

$\longrightarrow$Energy is released in a stepwise manner with different biochemical reactions in respiration where as Energy is released in a single step in combustion

$\longrightarrow$Enzymes are required for the process of respiration where as Enzymes are not required for combustion as it is a non-cellular process.

$\longrightarrow$Example of respiration: Aerobic respiration and Example of combustion : Combustion of oxygen and hydrogen into water vapour.

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