Question No:1
The product of transcription process is in fact
[A] Entire segment of DNA copied to RNA
[B] Only segment of DNA copied to RNA
[C] Both (a) and (b)
[D] None of these
Question No:2
In the process of transcription, the strand of DNA with polarity _____ acts as a ____ strand.
[A] 5’ —> 5’, Coding strand
[B] 3’ —> 5’ Template strand
[C] 3’ —> 3’, Coding strand
[D] 5’ —> 3’, Template strand
Question No:3
The promoter and _____ flank the structural gene in a transcription unit
[A] structure
[B] regulator
[C] operator
[D] terminator
Question No:4
A segment of DNA coding for a polypeptide is termed as:
[A] Intron
[B] Exon
[C] Cistron
[D] Distron
Question No:5
The coding sequences of DNA are known as _____ and the intervening sequences are known as _____ respectively.
[A] exon, intron
[B] intron, exon
[C] cistron, exon
[D] exon, cistron
Question No:6
In bacteria, which of the following plays a structural and catalytic role in the translation process?
[A] mRNA
[B] rRNA
[C] tRNA
[D] DNA
Question No:7
What are the components required for the initiation of transcription in bacteria?
[A] RNA polymerase only
[B] Promoter, RNA polymerase and p-factor
[C] density factor only
[D] sigma factor only
Question No:8
density-factor in the process of transcription in bacteria is also known as
[A] Initiation factor
[B] Elongation factor
[C] Termination factor
[D] Vital factor
Question No:9
In bacteria, in context of mRNA, which of the following is not true?
[A] Transcription and translation takes place in different compartment.
[B] Post-transcriptional modifications are required like splicing.
[C] Translation occurs only after transcription.
[D] All of these.
Question No:10
Total number of RNA polymerase found in eukaryotes is
[A] 3
[B] 4
[C] 2
[D] 5
Question No:11
Which of the following RNA is transcribed by RNA polymerase II in eukaryotes?
[A] tRNA
[B] rRNA
[C] snRNA
[D] hnRNA
Question No:12
RNA polymerase I transcribes _____ in eukaryotes.
[A] tRNA
[B] rRNA
[C] snRNA
[D] hnRNA
Question No:13
In eukaryotes, RNA polymerase III is responsible for synthesis of
[A] 28 S RNA, 18 S RNA and 5.8 S RNA
[B] tRNA, hnRNA, rRNA
[C] tRNA, SsRNA, snRNA
[D] hnRNA, tRNA, rRNA
Question No:14
The intervening sequences in the primary transcript of mRNA are removed by
[A] Recombination
[B] Linkage
[C] Capping
[D] Splicing
Question No:15
Additional post-transcriptional processing like capping and tailing is characteristic to
[A] rRNA
[B] hnRNA
[C] snRNA
[D] tRNA
Molecular Basis of Inheritance Model Test-6
CategoriesNEET Biology