VBQs Biotechnology and Its Application Class 12 Biology with solutions has been provided below for standard students. We have provided chapter wise VBQ for Class 12 Biology with solutions. The following Biotechnology and Its Application Class 12 Biology value based questions with answers will come in your exams. Students should understand the concepts and learn the solved cased based VBQs provided below. This will help you to get better marks in class 12 examinations.
Biotechnology and Its Application VBQs Class 12 Biology
Very Short Answer Type Questions
Question. Mention two objectives of setting up GEAC by our government.
OR
GEAC is one of the organization set up by Indian Government. Write it’s full form. Give it’s two objectives.
Answer : Indian Government has set up organisations like GEAC (Genetic Engineering Approval Committee), which make decision about the validity of GM research and the safety of GM-organisms for public services.
Question. Can you suggest a method to remove oil (hydrocarbon) from seeds based on your understanding of rDNA technology and chemistry of oil ?
Answer : It is possible to remove gene for oil synthesis from seeds by recombinant DNA technology or genetic engineering.
Question. Name the Indian variety of rice patented by an American Company. R [Delhi Set, 2008]
Answer : The Indian variety of rice patented by American Company—Rice Tec inc. in 1997 was basmati rice.
Short Answer Type Questions
Question. What is Biopiracy ? State the initiative taken by the Indian Parliament towards it.
Answer : (i) Use of bio resources without authorisation, compensation.
(ii) The govt. has cleared patent terms, emergency provisions, research and development initiative.
Detailed Answer :
(i) Bio-piracy is defined as the illegal commercial utilization of biological material of a country by organisations or multinational companies without proper authorisation from the concerned countries.
Question. How is ‘Rosie’ considered different from a normal cow ? Explain.
Answer : Rosie is a transgenic cow.
Rosie produced human protein enriched milk, containing human alpha – lactalbumin.
Question. (a) While cloning vectors, which of the two will be preferred by biotechnologists – bacteriophages or plasmids. Justify with reason.
(b) Name the first transgenic cow developed and state the improvement in the quality of the product produced by it.
Answer : (a) Bacteriophages, because they have very high copy numbers of their genome within the bacterial cells whereas some plasmids may have only one or two copies per cell and others may have 15-100 copies per cell.
(b) Rosie, it produced human protein-enriched milk (2.4 gms per litre).
Question. (a) What are transgenic animals ?
(b) Name the transgenic animal having the largest number amongst all the existing transgenic animals.
(c) Mention any three purposes for which these animals are produced.
Answer : (a) Animals that have had their DNA manipulated to possess and express an extra / foreign gene.
(b) Mice.
(c) (i) Normal physiology and development.
(ii) Study of disease.
(iii) Biological products.
(iv) Vaccine safety.
(v) Chemical safety testing. (Any three)