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Q. No.The breakthrough work of which of the following scientist duo was the basis upon which the discipline of biotechnology was founded?
1. Nirenberg and Mathai
2. Cohen and Boyer
3. Millstein and Kohler
4. Khurana and Venkatraman
1. Nirenberg and Mathai
2. Cohen and Boyer
3. Millstein and Kohler
4. Khurana and Venkatraman
Subtopic: Â Principles of Biotechnology |
 95%
Level 1: 80%+
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The extrachromosomal circular double stranded DNA found in some bacterial cells and used in rDNA procedures is:
| 1. | Genophore | 2. | Nucleoid |
| 3. | Plasmid | 4. | Pili |
Subtopic: Â Principles of Biotechnology |
 97%
Level 1: 80%+
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The two core techniques that enabled the birth of modern biotechnology are:
| 1. | hybridisation and mutation breeding |
| 2. | genetic engineering and bioprocess engineering |
| 3. | tissue culture and cloning |
| 4. | fermentation and enzyme technology |
Subtopic: Â Principles of Biotechnology |
 94%
Level 1: 80%+
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Genetic engineering offers an advantage over traditional breeding primarily because it:
| 1. | increases mutation rate in organisms |
| 2. | eliminates requirement of host organisms |
| 3. | bypasses need for vectors |
| 4. | allows transfer of only selected desirable genes |
Subtopic: Â Principles of Biotechnology |
 93%
Level 1: 80%+
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Bacterial resistance to antibiotics is a genetic trait carried in the bacterial
1. intron.
2. chromosome.
3. plasmid.
4. centromere.
1. intron.
2. chromosome.
3. plasmid.
4. centromere.
Subtopic: Â Principles of Biotechnology |
 93%
Level 1: 80%+
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Techniques that alter the chemistry of genetic material (DNA and RNA), introduce them into host organisms, and consequently modify the phenotype of the host are part of which field of study?
1. Bioprocess Engineering
2. Tissue Culture
3. Genetic Engineering
4. Molecular Taxonomy
1. Bioprocess Engineering
2. Tissue Culture
3. Genetic Engineering
4. Molecular Taxonomy
Subtopic: Â Principles of Biotechnology |
 92%
Level 1: 80%+
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Consider the given two statements:
Options:
| (a) | Asexual reproduction preserves the genetic information, while sexual reproduction introduces variations. |
| (b) | Genetic engineering allows the transfer of only desirable genes, avoiding the inclusion of undesirable genes. |
| 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: Â Principles of Biotechnology |
 91%
Level 1: 80%+
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In a chromosome, there is a specific DNA sequence, responsible for initiating replication. It is called as:
| 1. | recognition sequence | 2. | cloning site |
| 3. | restriction site | 4. | ori site |
Subtopic: Â Principles of Biotechnology |
 85%
Level 1: 80%+
NEET - 2024
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| Assertion(A): | Plasmids are extrachromosomal DNA. |
| Reason(R): | Plasmids are found in bacteria and are useful in genetic engineering. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True and (R) is not the correct explanation of (A) |
| 3. | (A) is True but (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Â Principles of Biotechnology |
 84%
Level 1: 80%+
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Gene cloning refers to
1. Making exact copies of genes
2. Making multiple copies of entire organisms
3. Insertion of foreign DNA into vectors
4. Natural replication of DNA
1. Making exact copies of genes
2. Making multiple copies of entire organisms
3. Insertion of foreign DNA into vectors
4. Natural replication of DNA
Subtopic: Â Principles of Biotechnology |
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