Class XII · Biology practice

Biotechnology and its Applications MCQs

Check your understanding, bookmark questions and revisit your mistakes.

Page score: 0/40
Choose an answer to begin.

Practice scoring: +4 correct, 0 incorrect. Filters apply to this page. Use timed tests for negative marking.

Answers and bookmarks are saved in this browser, across visits. They do not sync to your account.

494 questions in this collection · Page 15 of 50

Question 141 of 494
📘 CLASS XII

Biotechnology And Its Applications

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

Biotechnology And Its Applications

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

Biotechnology And Its Applications

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

Biotechnology And Its Applications

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

Biotechnology And Its Applications

________ (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

Biotechnology And Its Applications

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

Biotechnology And Its Applications

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

Biotechnology And Its Applications

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

Biotechnology And Its Applications

ELISA is based on the principle of ________ interaction.
ELISA is based on the principle of antigen-antibody interaction.
Question 150 of 494
📘 CLASS XII

Biotechnology And Its Applications

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.
Page score: 0/40