The main component found in the nucleolus is

ArRNA
BmRNA
CtRNA
DrDNA

Correct answer: A. rRNA

The nucleolus primarily synthesizes rRNA, which is a key component of ribosomes.

Free PDF sample

Get NEET Biology MCQs as a chapter-wise PDF.

Join early access for a free MCQ sample with answers and NCERT-aligned explanations.

Get free PDF

More DNA RNA replication transcription translation MCQs