How many different proteins does the ribosome consist of?
1. 20  2. 80 
3. 60  4. 40 

Subtopic:  Translation |
 58%
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NEET - 2023
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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 |
 73%
From NCERT
NEET - 2023
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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 |
 83%
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NEET - 2023
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Which of the following is not a cloning vector?
1.Probe2.BAC
3.YAC4.PBR322
Subtopic:  Human Genome Project | DNA Fingerprinting |
 78%
From NCERT
NEET - 2023
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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 |
 90%
From NCERT
NEET - 2023
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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 |
 51%
From NCERT
NEET - 2023
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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 |
 73%
From NCERT
NEET - 2023
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Name the component that binds to the operator region of an operon and prevents RNA polymerase from transcribing the operon.
1.Promotor2.Regulator protein
3.Repressor protein4.Inducer
Subtopic:  Gene Regulation: Lac Operon |
 72%
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NEET - 2023
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Given below are two statements:
I: The process of copying genetic information from one strand of the DNA into RNA is termed as transcription
II: A transcription unit in DNA is defined primarily by the three regions in the DNA i.e. a promoter, the structural gene and a terminator.
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is true but Statement II is false
2. Statement I is false but Statement II is true
3. Both Statement I and Statement II are true
4. Both Statement I and Statement II are false
Subtopic:  Transcription |
 87%
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NEET - 2023
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Which scientist conducted an experiment with 32p and 35s labelled phages for demonstrating that DNA is the genetic material?
1. James D. Watson and F.H.C Crick
2. A.D. Hershey and M.J. Chase
3. F. Griffith
4. O.T. Avery, C.M. MacLeod and M. McCarty
Subtopic:  Search for Genetic Material |
 82%
From NCERT
NEET - 2023
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