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. \(2.4 \times 10^8 \)

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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 
 66%
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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. \(3.3 \times 10^9 \mathrm{bp}\)
Subtopic:  The DNA |
 87%
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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 
Subtopic:  DNA Double Helix |
 78%
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Length of DNA in E. coli is 
1. 2.2 m 
2. 1.36 mm 
3. 1.36 m
4. 3.4 m 
Subtopic:  The DNA |
 59%
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Dominance of RNA world is proved by 
1. Capping 
2. Splicing 
3. Polyadenylation 
4. All of these 
Subtopic:  Transcription |
 69%
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Which plant was used by Taylor to prove semiconservative replication at chromosomal level?
1. Haematoxylan 
2. Vicia faba
3. Trillium
4. Ophioglossum
Subtopic:  DNA Replication |
 94%
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During polymerisation of deoxyribonucleosides triphosphates in bacteria which of the following enzymes is mainly required? 
1. DNA dependent RNA polymerase
2. DNA dependent RNA polymerase
3. RNA dependent DNA polymerase
4. DNA gyrase 
Subtopic:  Transcription |
 56%
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In a DNA molecule adenine of one strand base pairs with ______ on the other strand
1. Guanine
2. Thymine
3. Cytosine
4. Both (1) & (2)
 
Subtopic:  DNA Double Helix |
 89%
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The genetic material of Tobacco mosaic virus is 
1. RNA 
2. DNA
3. Protein
4. NADPH
Subtopic:  DNA vs RNA as Genetic Material |
 92%
From NCERT
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