CBSE Class 12 Biology Principles And Processes Of Bio Technology Worksheet

Read and download free pdf of CBSE Class 12 Biology Principles And Processes Of Bio Technology Worksheet. Students and teachers of Class 12 Biology can get free printable Worksheets for Class 12 Biology in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 12 students should practice questions and answers given here for Biology in Grade 12 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 12 Biology Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests

Principles And Processes Of Bio Technology Class 12 Biology Worksheet Pdf

Class 12 Biology students should refer to the following printable worksheet in Pdf for Principles And Processes Of Bio Technology in standard 12. This test paper with questions and answers for Grade 12 Biology will be very useful for exams and help you to score good marks

Class 12 Biology Worksheet for Principles And Processes Of Bio Technology

CBSE Class 12 Biology Principles and Processes of Bio Technology. CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.

1 Name an enzyme catalysing the removal of nucleotides from the ends of DNA.

2 Write the Significance of 'heat shock' method in bacterial transformation.

3 Name two bacteria which are the sources of restriction endonuclease?

4 Identify the steps of PCR in which Taq polymerase is used.

5 Define recombinant protein.

6 What does ‘competent’ refer to in competent cells used in transformation experiments? Describe the role of CaCl2 in the preparation of competent cells?

7 What is the significance of adding proteases at the time of isolation of genetic material (DNA). Name the enzyme used to digest the cell wall of fungi.

8 What modification is done on the Ti plasmid of Agrobacterium tumefaciens to convert it into a cloning vector? Name the vector used to transfer gene of interest to animal cell.

9 How does one visualise DNA on an agarose gel?

10 For selection of recombinants, insertional inactivation of antibiotic marker has been superceded by insertional inactivation of a marker gene coding for a chormogenic substrate. Give reasons.

11 Describe the role of Agrobacterium tumefaciens in transforming a plant cell.

12 a) What are molecular scissors? Give one example. b) Explain their role in recombinant DNA technology.

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