CBSE 12th Standard Biology Subject Biotechnology: Principles and Processes HOT Questions 3 Marks Questions 2021
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CBSE 12th Standard Biology Subject Biotechnology: Principles and Processes HOT Questions 3 Marks Questions 2021
12th Standard CBSE
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Reg.No. :
Biology
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Give an example of a natural form of genetic engineering in which the bacterium inserts gene into plants to cause gall or tumour formation.
(a) -
Do you see the prospects of viroids being used as plant vectors in near future?
(a) -
Name the method/s by which the transgenic sheeps and goats are made. What are other methods?
(a) -
What will happen if -
(i) A plasmid vector is digested with Eco RI at a single site
(ii) A sample of human DNA is digested with Eco RI.
(iii) The two samples (plasmid and human DNA) are allowed to hybridise in presence of DNA ligase.(a) -
Youn have been given a task to break the cells of following organisms and release DNA along with other macromolecules from them. Name the specific enzymes you will select for the task:
(i) Bacterial cell
(ii) Plant cell
(iii) Fungal cell(a)
3 Marks
