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.
The use of technology is highly effective because the toxin binds to:
A.Nerve cells
B.Muscle cells
C.Midgut epithelial cells
D.Excretory cells
- 2.
Which of these pests does NOT belong to the order Lepidoptera?
A.Tobacco budworm
B.Armyworm
C.Beetle
D.Bollworm
- 3.
What is produced in the host plant cell when an vector is used to introduce DNA for RNAi?
A.Only sense RNA
B.Only antisense RNA
C.Both sense and antisense RNA
D.Double-stranded DNA only
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.
Which of the following best describes 'Mature Insulin'?
A.A single long polypeptide chain
B.Two polypeptide chains (A and B) linked by disulfide bonds
C.Three polypeptide chains (A, B, and C) linked by hydrogen bonds
D.A complex of four polypeptide chains
- 2.
Before the use of rDNA technology, the insulin used for diabetes was obtained from slaughtered animals. What was a major disadvantage of this?
A.It was too dilute
B.It caused allergic reactions in some patients
C.It could not be stored
D.It was only effective for animals
- 3.
What is the primary target for gene therapy when aiming for a permanent cure for a genetic disorder like ADA deficiency?
A.Skin cells
B.Muscle cells
C.Cells at the early embryonic stage
D.Brain cells
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.
The study of gene regulation and its effect on body functions is best done using:
A.Inorganic chemicals
B.Transgenic animals
C.Microscopes only
D.Fossil records
- 2.
Which of the following is a human protein produced by the transgenic cow Rosie?
A.Insulin
B.Alpha-lactalbumin
C.Casein
D.Fibrinogen
- 3.
Transgenic animals are created by inserting a gene from:
A.The same individual
B.A different species
C.A different planet
D.A non-living source
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.
What is the legal term for using bio-resources without compensating the country of origin?
A.Biopiracy
B.Bio-remediation
C.Bio-magnification
D.Bio-prospecting
- 2.
Genetic modification of organisms can have unpredictable effects when they are:
A.Kept in a refrigerator
B.Introduced into the ecosystem
C.Studied under a microscope
D.Stored as dry seeds
- 3.
A patent is a form of:
A.Physical property
B.Intellectual property
C.Community property
D.Public property
Download the worksheet for Biotechnology and its Applications - Ethical Issues and Biopiracy to practice offline. It includes additional chapter-level practice questions.