Question

The metachromatic granules are _________.

A

Present in plant cell at metaphase stage

B

Inclusion bodies in bacteria

C

Produced in insects during metamorphosis

D

Chromatophores in animals skin

Medium
AIIMS

Solution

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Correct option is
B

Inclusion bodies in bacteria

Metachromatic granules are the cell inclusions mostly found in the prokaryotic cell. It appears red, when stained with blue dyes in certain bacteria, yeasts, yeast like fungi, and protozoa. They are composed of complex polyphosphate, lipid, and nucleoprotein molecules (volutin) and serve as an intracellular phosphate reserve also called as Babes ernst body or granule.

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