Assertion (A): Bt toxin are protein crystals containing insecticidal protein
Reason (R): B. thuringiensis forms these protein crystals continuously during their growth period
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
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Subtopic: Bt Crops |
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Assertion (A): RNA interference takes place in all eukaryotic organisms as a method of cellular defense.
Reason (R): This method involves ds RNA which prevent transcriptional process.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
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Subtopic: Interference RNA Tech |
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The process of RNA interference (RNAi) involves:
1. inducing the transcription of genes by substrate
2. silencing of a specific mRNA due to a complementary dsRNA molecule
3. repressing the transcription of genes by product
4. increasing the rate of transcription by activator proteins
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Subtopic: Interference RNA Tech |
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Consider the two statements:
Statement I: The proteins encoded by the genes cryIAc and cryIIAb control the corn borer.
Statement II: The proteins encoded by the gene cryIAb control the cotton bollworms.
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
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Subtopic: Bt Crops |
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The main challenge for the production of insulin using rDNA techniques was:
1. culturing bacteria containing recombinant DNA in labs
2. finding suitable restriction enzymes to cut human DNA
3. isolation of DNA in pure form from a human cell
4. getting insulin assembled into a mature form
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Subtopic: Med Applications & Humulin |
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The first clinical gene therapy was given in 1990 to a 4-year-old girl with:
1. adenosine deaminase (ADA) deficiency
2. alpha-1-antitrypsin deficiency
3. phenylalanine hydroxylase deficiency
4. homogentisic acid oxidase deficiency
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Subtopic: Gene Therapy |
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ELISA stands for:
1. Easily Located Immuno Specific Antigen
2. Early Live Inactive Surface Antigen
3. Energy Loaded Intermediate Site on Apoenzyme
4. Enzyme-Linked Immuno Sorbent Assay
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Subtopic: Molecular Diagnosis |
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Creation of new varieties of pest-resistant GM crops:
1. makes crops more resistant to abiotic stresses
2. reduces reliance on chemical pesticides
3. enhances nutritional value of food crops
4. increases efficiency of mineral usage by plants
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Subtopic: Intro to Agri Applications | Other GM Crops |
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What was used to deliver the normal copy of gene in the gene therapy trials for ADA deficiency?
1. Microinjection
2. Biolistics
3. Retrovirus
4. Liposomes
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Subtopic: Gene Therapy |
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