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Cytoplasm consists of all the fluid part :

  • A.Within a cell, except the fluid within the nucleus
  • B.As well as structures within cell membrane
  • C.And structures within the plasma membrane except the nucleus
  • D.Inside the cell membrane including the nucleus

Answer: C

The cytoplasm is all the fluid part and structures within the plasma membrane except the nucleus.

Cytoplasm means the cytosol together with the organelles (mitochondria, endoplasmic reticulum, Golgi apparatus, ribosomes and so on) enclosed by the plasma membrane, excluding the nucleus. The nuclear contents are called the nucleoplasm.

The first option covers only the fluid, which is the cytosol. The second and fourth include everything within the membrane, and the fourth explicitly includes the nucleus; that whole living content is the protoplasm, not the cytoplasm.

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