Select Question Set:
Q. No.A region of coding stand of DNA has the following nucleotide sequence : \(5'-TACGCCG-3'\)
The sequence of bases on mRNA transcribed by this would be:
1. \(5'-UACGCCG-3'\)
2. \(3'-UACGCCG-5'\)
3. \(5'-ATGCGGC-3'\)
4. \(3'-ATGCGGC-5'\)
Subtopic: The DNA |
51%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
A DNA molecule is 160 base pairs long. If it has 20% adenine, how many cytosine bases are present in this DNA molecule?
1. 48
2. 64
3. 96
4. 192
1. 48
2. 64
3. 96
4. 192
Subtopic: The DNA |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
A template strand in a bacterial DNA has the given base sequence : \(5'-AGGTTTAACG-3'\)
What would be the RNA sequence transcribed from this template strand ?
1. \(5'-CGUUAAACCU-3'\)
2. \(5'-AGGUUUUUCG-3'\)
3. \(5'-TCCAAATTGC-3'\)
4. \(5'-AGGTTTAACG-3'\)
What would be the RNA sequence transcribed from this template strand ?
1. \(5'-CGUUAAACCU-3'\)
2. \(5'-AGGUUUUUCG-3'\)
3. \(5'-TCCAAATTGC-3'\)
4. \(5'-AGGTTTAACG-3'\)
Subtopic: Transcription: I |
56%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In the presence of allolactose, the lac repressor in the operon of E.coil :
1. Binds to the operator
2. Cannot bind to the operator
3. Binds to the promoter
4. Binds to the regulator
1. Binds to the operator
2. Cannot bind to the operator
3. Binds to the promoter
4. Binds to the regulator
Subtopic: Gene Regulation: Lac Operon |
70%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Taylor and colleagues performed experiments on ............ using radioactive ............ to prove that the DNA in chromosomes replicate semi-conservatively.
Select the correct option for the blanks.
1. Vicia faba, Uridine
2. E. coli, Uridline
3. Vicia faba, Thymidine
4. E.coil, Thymidine
Select the correct option for the blanks.
1. Vicia faba, Uridine
2. E. coli, Uridline
3. Vicia faba, Thymidine
4. E.coil, Thymidine
Subtopic: DNA Replication: II |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The reactive hydroxyl group in the nucleotide of RNA is:
1. \(5'~OH\)
2. \(4'~OH\)
3. \(3'~OH\)
4. \(2'~OH\)
1. \(5'~OH\)
2. \(4'~OH\)
3. \(3'~OH\)
4. \(2'~OH\)
Subtopic: DNA vs RNA as Genetic Material |
83%
Please attempt this question first.
Hints
In a bacterium when RNA-polymerase binds to the promoter on a transcription unit during transcription, it
1. terminates the process
2. helps remove introns
3. initiates the process
4. inactivates the exons
1. terminates the process
2. helps remove introns
3. initiates the process
4. inactivates the exons
Subtopic: Transcription |
81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Study the given diagrammatic representation of Griffith's experiments to demonstrate transformation in bacteria.
Select the option which is incorrectly representing the experiment :
1. (i) and (iii)
2. (ii) and (iii)
3. (iii) and (iv)
4. (ii) and (iv)
Select the option which is incorrectly representing the experiment :
1. (i) and (iii)
2. (ii) and (iii)
3. (iii) and (iv)
4. (ii) and (iv)
Subtopic: Search for Genetic Material |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which one of the following diagram correctly represents DNA replication in eukaryotes?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: DNA Replication |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In the given figure of translation machinery of eukaryotes, select the correct labellings for (i), (ii), (iii) and (iv) :
1. (i) Codon, (ii) Anticodon, (iii) tRNA, (iv) 3'end of mRNA
2. (i) Anticodon, (ii) Codon, (iii) 3'end of mRNA , (iv) 5'end of mRNA
3. (i) Polypeptide chain, (ii) Large subunit of ribosome, (iii) 5'end of mRNA, (iv) tRNA
4. (i) Ribozyme, (ii) Polypeptide chain, (iii) tRNA, (iv) 5'end of tRNA
1. (i) Codon, (ii) Anticodon, (iii) tRNA, (iv) 3'end of mRNA
2. (i) Anticodon, (ii) Codon, (iii) 3'end of mRNA , (iv) 5'end of mRNA
3. (i) Polypeptide chain, (ii) Large subunit of ribosome, (iii) 5'end of mRNA, (iv) tRNA
4. (i) Ribozyme, (ii) Polypeptide chain, (iii) tRNA, (iv) 5'end of tRNA
Subtopic: Translation |
80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.