Post-Transcriptional Modifications

Post-Transcriptional Modifications

12th Grade

9 Qs

quiz-placeholder

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Post-Transcriptional Modifications

Post-Transcriptional Modifications

Assessment

Quiz

Biology, Science

12th Grade

Medium

Created by

Rupesh Sharma

Used 18+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Spliceosomes are not found in cells of

Plants

Fungi

Animals

Bacteria

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Poly A tail is present in

mRNA of bacteria

tRNA of eukaryotes

Promotor of bacteria

mRNA of eukaryotes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Splicing is one of the steps of post-transcriptional modifications which occurs in

nucleus

Cytoplasm

ER

Ribosomes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Assertion: Eukaryotic mRNA requires post-transcription processing for formation of functional mRNA.

Reason: Eukaryotic transcripts possess extra nonfunctional segments called introns.

Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

Both Assertion and Reason are true but the C Reason is not the correct explanation of the Assertion.

Assertion is true but Reason is false.

Both Assertion and Reason are false

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which amongst the following does tailoring of hnRNA?

Introns

SnRNPs

18S rRNA

Exons

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In eukaryotes, the capping and tailing in hnRNA occurs at

3’ and 5’ end respectively

5’ and 3’ end respectively

At any end

Both occurs at 3’ end always

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Methyl guanosine triphosphate is added to the 5' end of hnRNA in a process of

splicing

capping

tailing

none of these.

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In tailing, adenylate residues are added at 3’ end

With the help of guanyl transferase

In a template independent manner

With the help of methyl transferase

Of hn-RNA of E. coli

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Splicing, Capping and tailing of hn RNA forms:

m RNA

r RNA

t RNA

All the above