Select Question Set:
Q. No.Consider the following statements and state true (T) or false (F)
A : In the prokaryotes, control of the rate of transcriptional initiation is the predominant site for control of gene expression.
B : Lac i is a constitutive gene of lac operon
C : Tryptophan operon has five structural genes
A
B
C
(1)
F
T
F
(2)
F
F
T
(3)
T
T
F
(4)
T
T
T
Subtopic: Gene Regulation: Lac Operon |
54%
Please attempt this question first.
Hints
Please attempt this question first.
VNTRs are
a. Small DNA sequences arranged tandemly in many copy number.
b. Surrounded by conserved restriction sites.
c. Microsatellites
d. Present in the same copy number in different chromosomes of an individual.
1. a and b
2. b and c
3. c and d
4. a and d
a. Small DNA sequences arranged tandemly in many copy number.
b. Surrounded by conserved restriction sites.
c. Microsatellites
d. Present in the same copy number in different chromosomes of an individual.
1. a and b
2. b and c
3. c and d
4. a and d
Subtopic: DNA Fingerprinting |
Please attempt this question first.
Hints
Please attempt this question first.
In prokaryotes, DNA gyrase has _______ activity.
1. Exonuclease
2. Topoisomerase
3. Ligase
4. Polymerase
1. Exonuclease
2. Topoisomerase
3. Ligase
4. Polymerase
Subtopic: DNA Replication |
69%
Please attempt this question first.
Hints
Untranslated regions are
1. Present at 5' end of mRNA after start codon
2. Not required for efficient translation process
3. Present at 3' end before stop codon
4. Present at both 5' and 3' end of mRNA.
1. Present at 5' end of mRNA after start codon
2. Not required for efficient translation process
3. Present at 3' end before stop codon
4. Present at both 5' and 3' end of mRNA.
Subtopic: Translation |
82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Statement A : During transcription a nucleic acid is copied form another nucleic acid.
Statement B : The primary transcripts contain both the exons and the introns and are non-functional.
1. Only statement A is correct
2. Only statement B is correct
3. Both statements A and B are correct
4. Both statements A and B are incorrect
Statement B : The primary transcripts contain both the exons and the introns and are non-functional.
1. Only statement A is correct
2. Only statement B is correct
3. Both statements A and B are correct
4. Both statements A and B are incorrect
Subtopic: Transcription |
75%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
If there are \(24 \times 10^8\) bp in an eukaryotic cell, then what will be the number of nucleosomes present in the nucleus?
1. \(12 \times 10^6 \)
2. \(12 \times 10^8\)
3. \(1.2 \times 10^8\)
4. \(2.4 \times 10^8 \)
1. \(12 \times 10^6 \)
2. \(12 \times 10^8\)
3. \(1.2 \times 10^8\)
4. \(2.4 \times 10^8 \)
60%
Please attempt this question first.
Hints
Read the given statements and select the correct option.
Statement A : Prokaryotes have single origin of replication which is called ori-c in E.coli
Statement B : QB bacteriophage has RNA as their genetic material.
1. Only statement A is incorrect
2. Only statement B is incorrect
3. Both statements A and B are incorrect
4. Both statements A and B are correct
Statement A : Prokaryotes have single origin of replication which is called ori-c in E.coli
Statement B : QB bacteriophage has RNA as their genetic material.
1. Only statement A is incorrect
2. Only statement B is incorrect
3. Both statements A and B are incorrect
4. Both statements A and B are correct
66%
Please attempt this question first.
Hints
Haploid content of human DNA contains
1. \(4.6 \times 10^6 \mathrm{bp}\)
2. \(3.3 \times 10^8 \mathrm{bp}\)
3. \(6.6 \times 10^9 \mathrm{bp}\)
4. \(3.3 \times 10^9 \mathrm{bp}\)
1. \(4.6 \times 10^6 \mathrm{bp}\)
2. \(3.3 \times 10^8 \mathrm{bp}\)
3. \(6.6 \times 10^9 \mathrm{bp}\)
4. \(3.3 \times 10^9 \mathrm{bp}\)
Subtopic: The DNA |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following processes is related to reverse transcription?
1. DNA dependent DNA synthesis
2. RNA dependent DNA synthesis
3. DNA dependent RNA synthesis
4. RNA dependent polypeptide synthesis
1. DNA dependent DNA synthesis
2. RNA dependent DNA synthesis
3. DNA dependent RNA synthesis
4. RNA dependent polypeptide synthesis
Subtopic: DNA Double Helix |
78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Please attempt this question first.
Hints
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.