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Biotechnology and its Applications MCQs
Class XII Biology
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NCERT Based
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NEET Practice
📘 Concept Based
📝 Exam Level
🤖 AI Explanations
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494 questions in this chapter
Question 141 of 494
📘 CLASS XII
In ADA deficiency, functional ADA can be given to the patient by injection in a treatment known as enzyme ________ therapy.
ADA deficiency can be treated by enzyme replacement therapy.
Question 142 of 494
📘 CLASS XII
Functional ADA cDNA was introduced into the patient’s lymphocytes using a ________ vector.
Functional ADA cDNA was introduced using a retroviral vector.
Question 143 of 494
📘 CLASS XII
If the ADA gene is introduced into cells at early ________ stages, it could be a permanent cure for ADA deficiency.
Introduction of the ADA gene at early embryonic stages could be a permanent cure.
Question 144 of 494
📘 CLASS XII
Conventional methods of diagnosis (serum and urine analysis) often fail to provide ________ detection, crucial for effective treatment.
Conventional methods fail to provide early detection.
Question 145 of 494
📘 CLASS XII
________ (PCR) is one of the techniques that serve the purpose of early diagnosis in molecular medicine.
PCR (Polymerase Chain Reaction) is used for early diagnosis.
Question 146 of 494
📘 CLASS XII
PCR is routinely used to detect ________ in suspected AIDS patients.
PCR is routinely used to detect HIV in suspected AIDS patients.
Question 147 of 494
📘 CLASS XII
In molecular diagnosis, a single stranded DNA or RNA tagged with a radioactive molecule is called a ________.
A single stranded DNA or RNA tagged with a radioactive molecule is called a probe.
Question 148 of 494
📘 CLASS XII
Detection following hybridization of a radioactive probe is done using ________.
Detection of the hybridized probe is done using autoradiography.
Question 149 of 494
📘 CLASS XII
ELISA is based on the principle of ________ interaction.
ELISA is based on the principle of antigen-antibody interaction.
Question 150 of 494
📘 CLASS XII
Animals that have had their DNA manipulated to possess and express an extra (foreign) gene are known as ________ animals.
Animals with manipulated DNA expressing a foreign gene are transgenic animals.
