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- May 13, 2026
Ultimate 30 Transcription in Eukaryotes MCQs NEET with Answers – Powerful Practice to Crack Biology Fast
Transcription in Eukaryotes MCQs NEET with Answers is one of the most important preparation topics for aspirants studying molecular biology and genetics for competitive examinations. Understanding Transcription in Eukaryotes MCQs NEET with Answers helps aspirants build strong conceptual clarity regarding RNA synthesis, gene expression, RNA polymerases, and post-transcriptional modifications. Since transcription is a core biological process responsible for transferring genetic information from DNA to RNA, mastering Transcription in Eukaryotes MCQs NEET with Answers becomes essential for aspirants aiming to score high marks in biotechnology and molecular genetics sections of NEET Biology.
The topic of Transcription in Eukaryotes MCQs NEET with Answers mainly focuses on the mechanism through which RNA molecules are synthesized from DNA templates inside eukaryotic cells. Aspirants preparing through Transcription in Eukaryotes MCQs NEET with Answers learn about promoter regions, template strands, coding strands, transcription units, and the role of RNA polymerases. In eukaryotes, three major RNA polymerases participate in transcription. RNA polymerase I synthesizes rRNA, RNA polymerase II synthesizes hnRNA or precursor mRNA, and RNA polymerase III synthesizes tRNA and small RNAs. These details are repeatedly tested in Transcription in Eukaryotes MCQs NEET with Answers, making consistent revision extremely beneficial.
One major advantage of studying Transcription in Eukaryotes MCQs NEET with Answers is that aspirants become familiar with the stepwise process of transcription initiation, elongation, and termination. During initiation, RNA polymerase binds to promoter regions with the help of transcription factors. Elongation involves continuous addition of ribonucleotides complementary to the DNA template strand. Termination occurs when RNA polymerase encounters termination sequences. Questions based on these processes are very common in Transcription in Eukaryotes MCQs NEET with Answers because they evaluate conceptual understanding instead of simple memorization.
Another important concept covered in Transcription in Eukaryotes MCQs NEET with Answers is post-transcriptional processing. In eukaryotes, the primary transcript or hnRNA undergoes capping, tailing, and splicing before becoming mature mRNA. Aspirants preparing through Transcription in Eukaryotes MCQs NEET with Answers understand that the 5′ cap protects mRNA from degradation, while the poly-A tail at the 3′ end increases stability. Splicing removes introns and joins exons together. These molecular events are frequently included in Transcription in Eukaryotes MCQs NEET with Answers because they represent a major difference between prokaryotic and eukaryotic transcription.
Transcription in Eukaryotes MCQs NEET with Answers also helps aspirants understand split genes and interrupted coding sequences. Eukaryotic genes contain exons and introns, and mature RNA contains only exons after processing. This topic is extremely important in modern molecular biology, and aspirants often encounter assertion-reason and conceptual application questions related to these mechanisms. By repeatedly practicing Transcription in Eukaryotes MCQs NEET with Answers, aspirants improve both memory retention and analytical interpretation skills.
The importance of Transcription in Eukaryotes MCQs NEET with Answers extends beyond examination preparation because transcription forms the basis of gene regulation and protein synthesis. Many advanced topics in biotechnology, recombinant DNA technology, and genetic engineering are interconnected with transcription. Aspirants who master Transcription in Eukaryotes MCQs NEET with Answers usually find it easier to understand translation, operon models, RNA interference, and molecular genetics as a whole. Therefore, this topic contributes significantly to long-term conceptual understanding.
Another reason why Transcription in Eukaryotes MCQs NEET with Answers is highly valuable is that it improves aspirants’ ability to differentiate between eukaryotic and prokaryotic transcription. In prokaryotes, transcription and translation occur simultaneously because there is no nuclear membrane. However, in eukaryotes, transcription occurs inside the nucleus, and mature RNA is transported to the cytoplasm for translation. Such distinctions are commonly tested in Transcription in Eukaryotes MCQs NEET with Answers and are considered high-yield NEET concepts.
Aspirants practicing Transcription in Eukaryotes MCQs NEET with Answers also gain better understanding of transcription factors and regulatory proteins. These proteins control gene expression by influencing RNA polymerase binding and transcription efficiency. The regulation of transcription is extremely important in cell differentiation, development, and adaptation. As a result, many conceptual and application-based questions in Transcription in Eukaryotes MCQs NEET with Answers focus on gene regulation mechanisms and RNA synthesis pathways.
Time management and examination confidence also improve significantly through regular practice of Transcription in Eukaryotes MCQs NEET with Answers. Since NEET includes many conceptual biology questions, aspirants who repeatedly revise Transcription in Eukaryotes MCQs NEET with Answers become more comfortable identifying keywords like promoter, coding strand, template strand, RNA polymerase, introns, exons, splicing, capping, and polyadenylation. This familiarity increases both speed and accuracy during examinations.
Transcription in Eukaryotes MCQs NEET with Answers:
1. Where does the biosynthesis of ribosomal RNA occur?
A. Nucleolus
B. Ribosomes
C. Microbodies
D. Endoplasmic Reticulum
Answer: A. Nucleolus
Explanation:
The biosynthesis of ribosomal RNA occurs in the nucleolus, a specialized sub-compartment within the nucleus responsible for ribosome production and assembly.
2. Which of the following RNAs is not required for the synthesis of protein?
A. siRNA
B. mRNA
C. tRNA
D. rRNA
Answer: A. siRNA
Explanation:
siRNA inhibits translation of specific mRNA molecules and is involved in RNA interference, not direct protein synthesis.
3. What is the role of RNA polymerase III in transcription in eukaryotes?
A. Transcribes only snRNAs
B. Transcribes rRNAs (28S, 18S and 5.8S)
C. Transcribes tRNA, 5s rRNA and snRNA
D. Transcribes precursor of mRNA
Answer: C. Transcribes tRNA, 5s rRNA and snRNA
Explanation:
RNA polymerase III is responsible for transcribing tRNA, 5S rRNA, and certain snRNAs in eukaryotic cells.
4. Under which condition will there be no change in the reading frame of the mRNA 5′AACAGCGGUGCUAUU3′?
A. Deletion of G from 5th position
B. Insertion of A and G at 4th and 5th positions respectively
C. Deletion of GGU from 7th, 8th and 9th positions
D. Insertion of G at 5th position
Answer: C. Deletion of GGU from 7th, 8th and 9th positions
Explanation:
Deletion of three nucleotides removes one codon without altering the reading frame.
5. What are Balbiani rings sites of?
A. RNA and protein synthesis
B. Lipid synthesis
C. Nucleotide synthesis
D. Polysaccharide synthesis
Answer: A. RNA and protein synthesis
Explanation:
Balbiani rings are giant chromosome puffs associated with active transcription and protein synthesis.
6. Non-membranous nucleoplasmic structures in the nucleus are sites for active synthesis of?
A. tRNA
B. Protein synthesis
C. mRNA
D. rRNA
Answer: D. rRNA
Explanation:
The nucleolus synthesizes ribosomal RNA and assembles ribosomal subunits.
7. Match the following RNA polymerases with their transcribed products:
| RNA Polymerase | Transcribed Product |
|---|---|
| A. RNA Polymerase I | i. tRNA |
| B. RNA Polymerase II | ii. hnRNA (precursor of mRNA) |
| C. RNA Polymerase III | iii. rRNA |
Options:
A. (A)-(iii), (B)-(ii), (C)-(i)
B. (A)-(i), (B)-(iii), (C)-(ii)
C. (A)-(i), (B)-(ii), (C)-(iii)
D. (A)-(ii), (B)-(iii), (C)-(i)
Answer: A. (A)-(iii), (B)-(ii), (C)-(i)
Explanation:
RNA Polymerase I synthesizes rRNA, RNA Polymerase II synthesizes hnRNA (precursor of mRNA), and RNA Polymerase III synthesizes tRNA.
8. Many ribosomes associated with a single mRNA are termed as
A. Polysome
B. Polyhedral bodies
C. Nucleosome
D. Plastidome
Answer: A. Polysome
Explanation:
Polysomes are clusters of ribosomes translating a single mRNA simultaneously.
9. Which RNA is most abundant in animal cells?
A. rRNA
B. tRNA
C. mRNA
D. miRNA
Answer: A. rRNA
Explanation:
rRNA forms the structural and catalytic component of ribosomes and is highly abundant.
10. What is ribotide?
A. Ribose + Uracil + Phosphate
B. Deoxyribose + Uracil + Phosphate
C. Deoxyribose + Thymine + Phosphate
D. Ribose + Thymine + Phosphate
Answer: A. Ribose + Uracil + Phosphate
Explanation:
A ribotide is an RNA nucleotide containing ribose sugar, uracil, and phosphate.
11. Telomerase is an enzyme which is a
A. RNA/RNA
B. Ribonucleoprotein
C. Repetitive DNA
D. Simple protein
Answer: B. Ribonucleoprotein
Explanation:
Telomerase contains both RNA and protein components and maintains telomere length.
12. Which is called soluble RNA?
A. rRNA
B. tRNA
C. mRNA
D. hnRNA
Answer: B. tRNA
Explanation:
tRNA is called soluble RNA because it remains dissolved in 1M NaCl solution.
13. The backbone of RNA consists of which sugar?
A. Deoxyribose
B. Ribose
C. Sucrose
D. Maltose
Answer: B. Ribose
Explanation:
RNA contains ribose sugar in its nucleotide backbone.
14. Which proteins help open the DNA double helix in front of the replication fork?
A. DNA ligase
B. DNA topoisomerase I
C. DNA gyrase
D. DNA polymerase I
Answer: C. DNA gyrase
Explanation:
DNA gyrase relieves supercoiling ahead of the replication fork.
15. RNA is found in which organelles?
A. Chloroplast and mitochondria
B. Golgi body and chloroplast
C. Lysosome and mitochondria
D. Centrioles and mitochondria
Answer: A. Chloroplast and mitochondria
Explanation:
Both chloroplasts and mitochondria possess their own RNA and genetic machinery.
16. Which statement is true for protein synthesis in bacteria?
A. It involves all three types of RNA
B. It involves 3 types of RNA polymerases
C. It involves single type of RNA polymerase
D. It involves RNA processing
Answer: C. It involves single type of RNA polymerase
Explanation:
Bacteria use a single RNA polymerase for transcription of all RNA types.
17. What is true about tRNA?
A. It binds with an amino acid at its 3′ end
B. It has five double-stranded regions
C. It has a codon at one end
D. It looks like a clover leaf in 3D structure
Answer: A. It binds with an amino acid at its 3′ end
Explanation:
The amino acid acceptor arm at the 3′ end binds specific amino acids.
18. Which base is absent in RNA?
A. Uracil
B. Thymine
C. Adenine
D. Cytosine
Answer: B. Thymine
Explanation:
RNA contains uracil instead of thymine.
19. In RNA, thymine is replaced by which base?
A. Adenine
B. Guanine
C. Cytosine
D. Uracil
Answer: D. Uracil
Explanation:
Uracil replaces thymine in RNA molecules.
20. Non-genetic RNA is of how many types?
A. Two types
B. Three types
C. Only one type
D. None of these
Answer: B. Three types
Explanation:
The three major non-genetic RNAs are mRNA, tRNA, and rRNA.
21. Which proteins help to open up DNA double helix in front of replication fork?
A. DNA ligase
B. DNA topoisomerase I
C. DNA gyrase
D. DNA polymerase I
Answer: C. DNA gyrase
Explanation:
DNA gyrase reduces torsional strain during DNA replication.
22. Which statements are correctly defined?
I. Conversion of hnRNA to mRNA – processing
II. Removal of introns and joining of exons – splicing
III. Addition of adenylate residues to 3′ end – tailing
IV. Methyl guanosine triphosphate added to 5′ end – capping
Options:
A. ii & iii
B. i & ii
C. i & iv
D. iii & iv
Answer: B. i & ii
Explanation:
Processing converts hnRNA into mRNA, and splicing removes introns while joining exons.
23. Heterogenous nuclear RNA (hnRNA) is converted to mRNA by
A. Splicing
B. Capping
C. Tailing
D. All of the above
Answer: D. All of the above
Explanation:
hnRNA undergoes splicing, capping, and tailing to form mature mRNA.
24. Identify the correct match of RNA Polymerase and their functions
A. RNA Polymerase-I – tRNA, 5s rRNA, snRNA
B. RNA Polymerase-II – Transcribes all types of RNAs
C. RNA Polymerase-III – 28S, 18S and 5.8S RNAs
D. Bacterial RNA Polymerase – Transcribes all types of RNAs
Answer: D. Bacterial RNA Polymerase – Transcribes all types of RNAs
Explanation:
Bacterial RNA polymerase transcribes mRNA, tRNA, and rRNA.
25. Activation of amino acids during protein synthesis requires participation of
A. mRNA
B. tRNA
C. rRNA
D. None of these
Answer: B. tRNA
Explanation:
tRNA molecules carry activated amino acids to ribosomes during translation.
26. Which transfers continuously from nucleus to cytoplasm?
A. Cellulose
B. Glucose
C. RNA
D. DNA
Answer: C. RNA
Explanation:
RNA molecules synthesized in the nucleus move to the cytoplasm for protein synthesis.
27. Synthesis of mRNA and tRNA occurs in
A. G1 phase
B. G2 phase
C. S phase
D. All of these
Answer: A. G1 phase
Explanation:
mRNA and tRNA synthesis mainly occurs during the G1 phase.
28. Which RNA picks up amino acids from cytoplasm to ribosome?
A. tRNA
B. mRNA
C. rRNA
D. snRNA
Answer: A. tRNA
Explanation:
tRNA transports specific amino acids to ribosomes during translation.
29. Identify the wrong statement about RNA
A. RNA was the first genetic material
B. RNA can act as catalyst
C. DNA evolved from RNA
D. RNA catalyst is stable and non-reactive
Answer: D. RNA catalyst is stable and non-reactive
Explanation:
RNA is reactive and less stable compared to DNA.
30. Identify the wrong statement
A. In prokaryotes, structural gene is polycistronic
B. In eukaryotes, structural genes have interrupted coding sequences
C. Eukaryotes have split gene arrangement
D. Intervening sequence appears in mature RNA
Answer: D. Intervening sequence appears in mature RNA
Explanation:
Introns are removed during RNA processing and do not appear in mature mRNA.
Conclusion on Transcription in Eukaryotes MCQs NEET with Answers
Finally, Transcription in Eukaryotes MCQs NEET with Answers serves as one of the strongest preparation tools for molecular biology and biotechnology sections in Class 12 Biology. Aspirants who consistently revise Transcription in Eukaryotes MCQs NEET with Answers often develop deeper conceptual understanding and stronger application skills. Because transcription forms the foundation of gene expression and protein synthesis, mastering Transcription in Eukaryotes MCQs NEET with Answers provides long-term academic benefits beyond competitive examinations. Continuous revision, conceptual practice, and analytical understanding of Transcription in Eukaryotes MCQs NEET with Answers can greatly improve confidence, conceptual clarity, and overall NEET Biology performance.