In a non-dividing cell, DNA is present as a mass of thread-like structures known as _______ .
Options:
A .  
ribosomes
B .  
chromatin
C .  
cytoplasm
D .  
chromosome
Answer: Option B : B In a cell which is not dividing, DNA is present as part of chromatin fibres/material. These are called chromatin because they get coloured when they are stained. This chromatin material is visible as an entangled mass of thread-like structures. Whenever the cell is about to divide, the chromatin material gets condensed and organised into chromosomes.
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