CBSE 2025, Set 2

Question

Edvaya · Accepted Answer

The correct answer is (a)-(i), (b)-(iii), (c)-(ii). **SOLUTION** In Eukaryotes, there is a clear division of labor among the RNA polymerases: * **(a) RNA polymerase I** transcribes rRNAs (28S, **18S**, and 5.8S). * **(b) RNA polymerase II** transcribes the precursor of mRNA, which is the heterogeneous nuclear RNA (**hnRNA**). * **(c) RNA polymerase III** is responsible for the transcription of tRNA, 5S rRNA, and small nuclear RNAs (**snRNAs**). Therefore, the correct match is **(a)-(i), (b)-(iii), (c)-(ii)**.

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Biology > Reproduction And Genetics > Molecular Basis Of Inheritance

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Column-I	Column-II
(a) RNA polymerase I	(i) 18s rRNA
(b) RNA polymerase II	(ii) SnRNAs
(c) RNA polymerase III	(iii) hnRNA