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Question

Nucleolus is the site of formation of

A
Spindle fibres
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B
Ribosomes
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C
Peroxisomes
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D
Chromosomes
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Solution

The correct option is A Ribosomes
  • The nucleolus is a small, dense and spherical structure present within the nucleus of the cell.
  • It is a dense region due to the presence of proteins, DNA and RNA which are formed from specific chromosomal regions called nucleolar organizing regions.
  • It is the site of transcription and processing of ribosomal RNA and ribosome assembly.
  • So, the correct answer is 'Ribosomes'.

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