Discussion
Metabolically inactive cell inclusions remaining in the cytoplasm is called
Answer: B
They are called ergastic substances.
Ergastic substances are non-living, metabolically inactive products of the cell that accumulate in the cytoplasm or vacuoles: reserve food such as starch grains, oil drops and protein bodies, secretions, and excretory products such as crystals of calcium oxalate (raphides) and tannins.
Reserve materials, secretory substances and crystals are therefore each just one kind of ergastic substance; the collective term for all such inactive inclusions is 'ergastic substances'.
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