MCQ
Excretion means
  • Removal of useless substances and substances present in excess
  • B
    Formation of those substances which have some role in the body
  • C
    Removal of such substances which have never been part of the body
  • D
    All of these

Answer

Correct option: A.
Removal of useless substances and substances present in excess
a
(a)Excretion involves the processes in which substances of no further use or those present in excess qualities are thrown out of the body.

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