Question
Biology Question on Eukaryotic Cells
The nucleolus is the site of formation of
A
spindle fibres
B
chromosomes
C
ribosomes
D
peroxisomes
Answer
ribosomes
Explanation
Solution
Nucleolus was discovered by Fontana (1781) and given name by Bowman (1840). It does not have membrane and is attached to chromatin at nucleolar organiser region (NOR). Nucleolus is the site for elaboration of r-RNA and synthesis of ribsomes, hence called ribosomal factory.