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Q. No.

Unequivocal proof that DNA is the genetic material was first proposed by: 
1. Wilkins and Franklin 
2. Frederick Griffith 
3. Alfred Hershey and Martha Chase 
4. Avery, Macleod and McCarthy 

Subtopic:  Search for Genetic Material |
 81%
Level 1: 80%+
NEET - 2023
Hints
Expressed Sequence Tags (ESTs) refers to: 
1. Certain important expressed genes.
2. All genes that are expressed as RNA.
3. All genes that are expressed as proteins.
4. All genes whether expressed or unexpressed 
Subtopic:  Human Genome Project |
 68%
Level 2: 60%+
NEET - 2023
Hints
What is the role of RNA polymerase III in the process of transcription in Eukaryotes?
1. Transcription of only snRNAs
2. Transcription of rRNAs (28S, 18S and 5.8S)
3. Transcription of tRNA, 5 srRNA and snRNA
4. Transcription  of precursor of mRNA
Subtopic:  Transcription |
 82%
Level 1: 80%+
NEET - 2023
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How many different proteins does the ribosome consist of?
1. 20 2. 80
3. 60 4. 40
Subtopic:  Translation |
 63%
Level 2: 60%+
NEET - 2023
Hints
Given below are two statements:
Statement I: In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid.
Statement II: In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome.
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic:  DNA Packaging |
 75%
Level 2: 60%+
NEET - 2023
Hints
Match List I with List II
List I List II
A. Gene 'a' I. \(\beta\)-galactosidase
B. Gene 'y' II. Transacetylase
C. Gene 'i' III. Permease
D. Gene 'z'  IV. Repressor protein

Choose the correct answer from the options given below:
Options: A B C D
1. III I IV II
2. II I IV III
3. II III IV I
4. III IV I II
Subtopic:  Gene Regulation: Lac Operon |
 85%
Level 1: 80%+
NEET - 2023
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Which of the following is not a cloning vector?
1. Probe 2. BAC
3. YAC 4. PBR322
Subtopic:  Human Genome Project | DNA Fingerprinting |
 79%
Level 2: 60%+
NEET - 2023
Hints
Given below are two statements:
Statement I: RNA mutates at a faster rate.
Statement II: Viruses having RNA genome and shorter life span mutate and evolve faster.
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.
Subtopic:  DNA vs RNA as Genetic Material |
 91%
Level 1: 80%+
NEET - 2023
Hints
Which one of the following is the sequence on corresponding coding strand, if the sequence on mRNA formed is as follows
 5'AUCGAUCGAUCGAUCGAUCGAUCGAUCG 3'?
1. 3' ATCGATCGATCGATCGATCGATCGATCG 5'
2. 5' UAGCUAGCUAGCUAGCUAGCUAGCUAGC 3'
3. 3' UAGCUAGCUAGCUAGCUAGCUAGCUAGC 5'
4. 5' ATCGATCGATCGATCGATCGATCGATCG 3'
Subtopic:  Transcription: I | Transcription:II | Transcription: III | Transcription: IV | Transcription |
 52%
Level 3: 35%-60%
NEET - 2023
Hints
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The last chromosome sequenced in Human Genome project was:
1. Chromosome 6 2. Chromosome 1
3. Chromosome 22 4. Chromosome 14
Subtopic:  Human Genome Project |
 77%
Level 2: 60%+
NEET - 2023
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