Class XII · Biology practice
Biotechnology and its Applications MCQs
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494 questions in this collection · Page 28 of 50
Question 271 of 494
📘 CLASS XII
Biotechnology And Its Applications
The strategy of RNA interference leads to the ________ of a specific mRNA.
RNAi involves silencing of a specific mRNA.
Question 272 of 494
📘 CLASS XII
Biotechnology And Its Applications
The two RNA molecules produced in the host plant (sense and anti-sense) form a ________ that initiates RNAi.
The complementary RNAs form a double stranded (dsRNA) that initiated RNAi.
Question 273 of 494
📘 CLASS XII
Biotechnology And Its Applications
Recombinant therapeutics are considered safer because they are free from the risk of infection, unlike products isolated from ________ sources.
Recombinant therapeutics are safer than products isolated from non-human sources.
Question 274 of 494
📘 CLASS XII
Biotechnology And Its Applications
One of the therapeutic applications of biotechnology is in the area of ________.
The applications of biotechnology include therapeutics, diagnostics, modified crops, etc..
Question 275 of 494
📘 CLASS XII
Biotechnology And Its Applications
The gene coding for the Bt toxin in Bacillus thuringiensis is often designated as a ________ gene.
The toxin is coded by a gene named cry.
Question 276 of 494
📘 CLASS XII
Biotechnology And Its Applications
Gene therapy corrects a gene defect by inserting genes into a person’s cells and ________ to treat a disease.
Genes are inserted into a person’s cells and tissues to treat a disease.
Question 277 of 494
📘 CLASS XII
Biotechnology And Its Applications
The ADA deficiency is caused by the deletion of the gene for adenosine deaminase, an enzyme crucial for the function of the ________ system.
ADA enzyme is crucial for the immune system.
Question 278 of 494
📘 CLASS XII
Biotechnology And Its Applications
The principle of antigen-antibody interaction is the basis of the diagnostic technique ________.
ELISA is based on the principle of antigen-antibody interaction.
Question 279 of 494
📘 CLASS XII
Biotechnology And Its Applications
The use of transgenic animals to test the toxicity of drugs is known as chemical safety testing or ________ testing.
Chemical safety testing is also known as toxicity/safety testing.
Question 280 of 494
📘 CLASS XII
Biotechnology And Its Applications
The ethical standards required to evaluate the morality of human activities involving genetic modification are known as ________ issues.
Ethical standards are required to evaluate the morality of such human activities (Ethical Issues).
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