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Q. No.RNA interference involves:
1.
Synthesis of cDNA from RNA using reverse transcriptase
2.
Silencing of specific mRNA due to complementary RNA
3.
Interference of RNA in the synthesis of DNA
4.
Synthesis of mRNA from DNA
Subtopic: Bt Crops | Interference RNA Tech |
88%
From NCERT
NEET - 2013
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Tissue culture technique can produce an infinite number of new plants from a small parental tissue. The economic importance of the technique is in raising:
| 1. | genetically uniform population identical to the original parent |
| 2. | homozygous diploid plants |
| 3. | development of new species |
| 4. | variants through picking up somaclonal variations |
Subtopic: Plant Tissue Culture |
71%
From NCERT
NEET - 2013
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Which one of the following vectors is used to replace the defective gene in gene therapy?
1. Adenovirus
2. Cosmid
3. Ri plasmid
4. Ti plasmid
1. Adenovirus
2. Cosmid
3. Ri plasmid
4. Ti plasmid
Subtopic: Gene Therapy |
50%
NEET - 2013
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Genes of interest can be selected from a genomic library by using:
1. Cloning vectors
2. DNA probes
3. Gene targets
4. Restriction enzymes
1. Cloning vectors
2. DNA probes
3. Gene targets
4. Restriction enzymes
Subtopic: Molecular Diagnosis |
51%
From NCERT
NEET - 2013
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Which of the following statements is not true about somatic embryogenesis?
| 1. | The pattern of development of a somatic embryo is comparable to that of a zygotic embryo |
| 2. | Somatic embryos can develop from microspores |
| 3. | Somatic embryo is induced usually by an auxin such as 2, 4–D |
| 4. | A somatic embryo develops from a somatic cell |
Subtopic: Plant Tissue Culture |
NEET - 2013
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Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein:
| 1. | does not kill the carrier bacterium which is itself resistant to this toxin |
| 2. | binds with epithelial cells of the midgut of the insect pest ultimately killing it |
| 3. | is coded by several genes including the gene cry. |
| 4. | is activated by acid pH of the foregut of the insect pest. |
Subtopic: Bt Crops |
80%
From NCERT
AIPMT - 2011
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Silencing of mRNA has been used in producing transgenic plants resistant to:
1. Bacterial blights
2. Bollworms
3. Nematodes
4. White rusts
Subtopic: Interference RNA Tech |
91%
From NCERT
AIPMT - 2011
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Read the following four statements (A-D) and find out certain mistakes in two of them:
| A: | The first transgenic buffalo, Rosie, produced milk which was human alpha-lactalbumin enriched. |
| B: | Restriction enzymes are used in the isolation of DNA from other macro-molecules. |
| C: | Downstream processing is one of the steps of r-DNA technology. |
| D: | Disarmed pathogen vectors are also used in the transfer of r-DNA into the host. |
Which of the two statements has mistakes?
1. Statements (A) and (B)
2. Statements (B) and (C)
3. Statements (C) and (D)
4. Statements (A) and (C)
Subtopic: Transgenic Microbes & Animals |
65%
From NCERT
AIPMT - 2011
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Which one of the following is now being commercially produced by biotechnological procedures:
1. Morphine
2. Quinine
3. Insulin
4. Nicotine
Subtopic: Med Applications & Humulin |
95%
From NCERT
AIPMT - 2010
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The first clinical gene therapy was given for treating:
1. Chickenpox
2. Rheumatoid arthritis
3. Adenosine deaminase deficiency
4. Diabetes mellitus
Subtopic: Gene Therapy |
95%
From NCERT
AIPMT - 2012
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