Select Question Set:
Q. No.Consider the following two statements:
DNA is a better molecule for storage of genetic information than RNA because
A:
DNA is capable of making its own replica, while RNA cannot make its own replica.
B:
DNA is structurally more stable and chemically more inert than RNA.
1. Only A is correct.
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.
DNA is a better molecule for storage of genetic information than RNA because
| A: | DNA is capable of making its own replica, while RNA cannot make its own replica. |
| B: | DNA is structurally more stable and chemically more inert than RNA. |
1. Only A is correct.
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.
Subtopic: DNA vs RNA as Genetic Material |
67%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following experiments in molecular biology unequivocally showed that DNA is the genetic material in bacteriophages?
1. Meselson-Stahl experiment
2. Hershey-Chase experiment
3. Delbrück-Luria experiment
4. Beadle-Tatum experiment
1. Meselson-Stahl experiment
2. Hershey-Chase experiment
3. Delbrück-Luria experiment
4. Beadle-Tatum experiment
Subtopic: Search for Genetic Material |
91%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which subunit of the RNA polymerase holoenzyme allows it to initiate the process of transcription?
| 1. | Rho | 2. | Sigma |
| 3. | Omega | 4. | Epsilon |
Subtopic: Transcription |
88%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
In a tRNA molecule, the attachment site for an amino acid is located:
1. At its 3' end
2. At its 5' end
3. In the anticodon loop
4. In the DHU loop
1. At its 3' end
2. At its 5' end
3. In the anticodon loop
4. In the DHU loop
Subtopic: Genetic Code |
60%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
When chromatin is observed under electron microscope, which of the following appears as ‘beads on string’ structure?
1. Nucleosome
2. Solenoid
3. Filament
4. Supercoiled filament
1. Nucleosome
2. Solenoid
3. Filament
4. Supercoiled filament
Subtopic: DNA Packaging |
95%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following, if used in Avery, Macleod and McCarty experiment, will affect transformation?
1. RNase
2. DNase
3. Protease
4. Lipase
1. RNase
2. DNase
3. Protease
4. Lipase
Subtopic: Search for Genetic Material |
92%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which enzyme joins Okazaki fragments on the lagging strand during DNA replication?
1. DNA Polymerase II
2. Topoisomerase
3. DNA Ligase
4. Holoenzyme
1. DNA Polymerase II
2. Topoisomerase
3. DNA Ligase
4. Holoenzyme
Subtopic: DNA Replication |
93%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
How many of the given functions can be performed by RNA?
1. 2
2. 3
3. 4
4. 5
| A: | Messenger |
| B: | Structural role |
| C: | Adaptor molecule |
| D: | Catalytic role |
| E: | Genetic material in some viruses |
1. 2
2. 3
3. 4
4. 5
Subtopic: The DNA | Translation | DNA Fingerprinting |
86%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
In the flow of genetic information, according to the central dogma of molecular biology, which molecule acts as an adapter molecule between transcription and translation?
1. mRNA
2. rRNA
3. tRNA
4. miRNA
1. mRNA
2. rRNA
3. tRNA
4. miRNA
Subtopic: Transcription |
85%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following best describes the specificity of the genetic code?
| 1. | The genetic code is universal; codons specify the same amino acids in all organisms. |
| 2. | The genetic code varies significantly among different organisms. |
| 3. | Each amino acid is specified by only one codon. |
| 4. | The genetic code is ambiguous, with one codon coding for multiple amino acids. |
Subtopic: Genetic Code |
81%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.