Biotechnology And Its Applications Mock Tests

28 questions available

Biotechnology And Its Applications Mock Test 1

Questions: 28

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Class 12 Biology

Stem cells are defined by their unique ability to:

A Undergo self-renewal and differentiate into specialized cell types

B Produce energy through anaerobic respiration more efficiently than other cells

C Form the structural framework of connective tissues only

D Migrate through the bloodstream to sites of injury exclusively

Class 12 Biology

Gene therapy for ADA deficiency was first clinically tried in which year?

A 1990

B 1995

C 2000

D 2005

Class 12 Biology

Transgenic animals are produced primarily for all of the following purposes EXCEPT:

A Testing safety of vaccines

B Producing commercial biological products

C Increasing crop yield through cross-pollination

D Understanding gene function and disease models

Class 12 Biology

Stem cells are called "undifferentiated" cells because they:

A Can divide indefinitely and differentiate into specialised cell types of the body

B Are already specialised for a specific function but retain the ability to divide

C Are found only in embryonic tissue and cannot be found in adult organisms

D Have lost their nucleus and can no longer divide

Class 12 Biology

The first clinical gene therapy was directed against:

A Severe Combined Immunodeficiency (SCID) caused by adenosine deaminase (ADA) deficiency

B Cystic fibrosis caused by mutation in the CFTR gene

C Duchenne muscular dystrophy caused by dystrophin gene mutation

D Hereditary retinal blindness caused by RPE65 gene mutation

Class 12 Biology

Gene therapy for ADA (adenosine deaminase) deficiency involves:

A Permanent insertion of the functional ADA gene into every cell of the patient's body at birth

B Introduction of lymphocytes carrying the functional ADA gene using a retroviral vector, requiring periodic administration

C Replacement of the defective bone marrow with that of a matched donor without any gene modification

D Administration of the ADA enzyme directly into the bloodstream as a replacement therapy

Class 12 Biology

Transgenic animals are primarily used for all of the following purposes EXCEPT:

A Direct production of bulk electricity through bioreactor systems that convert metabolic energy into electrical current

B Modeling human diseases, studying gene function, testing vaccine safety, and producing therapeutic proteins

C Understanding gene regulation and developmental biology by observing effects of gene overexpression or knockout

D Improving livestock traits such as growth rate, feed efficiency, and disease resistance

Class 12 Biology

Gene therapy for adenosine deaminase (ADA) deficiency involves:

A Permanent insertion of the ADA gene into every cell of the body at birth

B Inserting bone marrow cells transformed with the ADA gene into the patient

C Treating the patient with daily injections of the ADA enzyme

D Replacing the defective ADA gene using a viral vector in the liver

Biotechnology And Its Applications Mock Tests

Biotechnology And Its Applications Mock Test 1

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