Please tell me with reason

Dear student,
Please find below the answer:

The correct option is (d).

The process such as nutrition, respiration, transportation, and excretion in living organisms are known as maintenance processes or life processes of living organisms. These are the processes that are necessary for the maintenance of life. When an organism is dead, these processes do not take place in it.


Hope this clears your doubt.
Regards.
 

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