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Biotechnology and its Applications MCQs

Class XII Biology NCERT Based NEET Practice

📘 Concept Based 📝 Exam Level 🤖 AI Explanations
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494 questions in this chapter
Question 211 of 494
📘 CLASS XII
Gene therapy involves delivery of a normal gene to compensate for the ________ gene.
Correction of a genetic defect involves delivery of a normal gene to compensate for the non-functional gene.
Question 212 of 494
📘 CLASS XII
The ADA deficiency disorder is caused due to the ________ of the gene for adenosine deaminase.
The ADA disorder is caused due to the deletion of the gene for adenosine deaminase.
Question 213 of 494
📘 CLASS XII
The treatments of bone marrow transplantation and enzyme replacement therapy for ADA deficiency are problematic because they are not completely ________.
Both bone marrow transplantation and enzyme replacement therapy are not completely curative.
Question 214 of 494
📘 CLASS XII
Lymphocytes engineered with functional ADA cDNA are not immortal, requiring the patient to receive ________ infusion of such cells.
Since the cells are not immortal, the patient requires periodic infusion of such genetically engineered lymphocytes.
Question 215 of 494
📘 CLASS XII
PCR is routinely used to detect mutations in genes in suspected ________ patients too.
PCR is being used to detect mutations in genes in suspected cancer patients.
Question 216 of 494
📘 CLASS XII
If the clone having the mutated gene does not appear on the photographic film after autoradiography, it is because the radioactive probe will not have ________ with the mutated gene.
The clone will not appear because the probe will not have complementarity with the mutated gene.
Question 217 of 494
📘 CLASS XII
ELISA can detect infection by identifying the presence of ________ (proteins, glycoproteins, etc.) or by detecting antibodies.
Infection can be detected by the presence of antigens or by detecting the antibodies synthesised against the pathogen.
Question 218 of 494
📘 CLASS XII
Transgenic animals are produced to allow the study of how genes are ________, and how they affect the normal functions of the body.
Transgenic animals allow the study of how genes are regulated (Normal physiology and development).
Question 219 of 494
📘 CLASS XII
Transgenic animals are designed to increase our understanding of how genes contribute to the development of ________.
Many transgenic animals are designed to increase our understanding of how genes contribute to the development of disease.
Question 220 of 494
📘 CLASS XII
The human protein alpha-1-antitrypsin is used to treat ________.
Alpha-1-antitrypsin is used to treat emphysema.