CBSE 12th Standard Biology Subject Biotechnology Principles and Processes Ncert Exemplar 3 Marks Questions 2021
QB365 Provides the updated NCERT Examplar Questions for Class 12 Biology, and also provide the detail solution for each and every ncert examplar questions , QB365 will give all kind of study materials will help to get more marks
QB365 - Question Bank Software
CBSE 12th Standard Biology Subject Biotechnology Principles and Processes Ncert Exemplar 3 Marks Questions 2021
12th Standard CBSE
-
Reg.No. :
Biology
-
A schematic representation of Polymerase Chain Reaction (PCR) up to the extension stage is given below. Give answers of the following questions.
(i) Name the process A.
(ii) Identify B
(iii) Identify C and mention its importance in PCR. -
How bacterial cells are made competent to take up DNA?
-
Draw a labelled sketch of sparged-stirred tank bioreactor. Write its application.
-
Agrobacterium tumifaciens is a soil bacterium; known as a plant pathogen as well a plasmid vector for plant transformation (genetic engineering). Enlist other bacterial plant pathogens or their relatives that have widely used in agriculture and food production.
-
Bacteriophages are virus infecting bacteria, that are used as vectors because of their high copy number.
Lambda phage is a non-contractile bacteriophage used as vector that follows two life cycle, lysogenic and lytic. Explain, both the life cycles with the help of a diagram
5 Marks
