Biotechnology and its Applications
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Applications in Agriculture (Bt Cotton, RNA interference)
SubtopicApplications in Agriculture (Bt Cotton, RNA interference) under Biotechnology and its Applications for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Which of the following genes is specifically responsible for controlling the Corn borer pest?
A.B.C.D.Both and
- 2.
In the process of RNA interference (RNAi), which type of molecule acts as the 'trigger' to initiate the silencing of a specific mRNA?
A.Single-stranded DNA
B.Single-stranded RNA
C.Double-stranded DNA
D.Double-stranded RNA
- 3.
The Bt toxin is initially produced as an inactive protoxin within the bacterium. What is the primary factor responsible for its activation in the insect's gut?
A.The acidic pH of the foregut
B.The neutral pH of the midgut
C.The alkaline pH of the gut
D.Specific digestive enzymes in the saliva
Download the worksheet for Biotechnology and its Applications - Applications in Agriculture (Bt Cotton, RNA interference) to practice offline. It includes additional chapter-level practice questions.
Applications in Medicine (Insulin, Gene Therapy)
SubtopicApplications in Medicine (Insulin, Gene Therapy) under Biotechnology and its Applications for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Gene therapy is best defined as a technique that allows:
A.Correction of a gene defect diagnosed in a child or embryo
B.Synthesis of antibiotics using microbes
C.Production of vaccines in transgenic animals
D.Isolation of DNA from any cell
- 2.
The first clinical gene therapy was given in 1990 to a four-year-old girl for the deficiency of which enzyme?
A.Tyrosine kinase
B.Adenosine deaminase (ADA)
C.Glucokinase
D.DNA polymerase
- 3.
In the maturation of pro-insulin into mature insulin, which of the following structures is removed?
A.A-peptide
B.B-peptide
C.C-peptide
D.Disulfide bridges
Download the worksheet for Biotechnology and its Applications - Applications in Medicine (Insulin, Gene Therapy) to practice offline. It includes additional chapter-level practice questions.
Transgenic Animals
SubtopicTransgenic Animals under Biotechnology and its Applications for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Which organization in India is responsible for making decisions regarding the validity of GM (Genetically Modified) research and the safety of introducing GM organisms for public services?
A.Genetic Engineering Approval Committee (GEAC)
B.Indian Council of Agricultural Research (ICAR)
C.Council of Scientific and Industrial Research (CSIR)
D.Department of Biotechnology (DBT)
- 2.
Transgenic animals are often developed to serve as models for the study of complex human diseases. Which of the following is NOT a disease for which transgenic models exist?
A.Cancer
B.Cystic fibrosis
C.Rheumatoid arthritis
D.Malaria
- 3.
The first transgenic cow, Rosie, produced milk that was enriched with a human protein. What was the concentration of this protein in her milk?
A.2.4 grams per liter
B.24 grams per liter
C.0.24 grams per liter
D.240 grams per liter
Download the worksheet for Biotechnology and its Applications - Transgenic Animals to practice offline. It includes additional chapter-level practice questions.
Ethical Issues and Biopiracy
SubtopicEthical Issues and Biopiracy under Biotechnology and its Applications for Grade 12 CBSE.
Preview questions (no answers)
- 1.
Why is traditional knowledge related to bio-resources highly valuable to multinational corporations?
A.It allows them to bypass all safety regulations set by the GEAC.
B.It can be used to develop modern applications and saves time, effort, and expenditure during commercialization.
C.It proves that the industrialized nation is the original discoverer of the resource.
D.It eliminates the need for any genetic modification in the laboratory.
- 2.
Which of the following terms refers to the use of bio-resources by multinational companies and other organizations without proper authorization from the countries and people concerned without compensatory payment?
A.Biopiracy
B.Bioprospecting
C.Bio-infringement
D.Bio-remediation
- 3.
India is estimated to have nearly 200,000 varieties of rice. Among these, how many documented varieties of Basmati rice are grown in India?
A.50
B.100
C.27
D.10
Download the worksheet for Biotechnology and its Applications - Ethical Issues and Biopiracy to practice offline. It includes additional chapter-level practice questions.