CBSE Class 12 Biotechnology Sample Paper 2019 Solved

Bio Technology
Download PDF

Read and download PDF of CBSE Class 12 Biotechnology Sample Paper 2019 Solved designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Bio Technology Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Bio Technology Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Bio Technology Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 12 Bio Technology Pdf

Students can refer to the below Class 12 Bio Technology Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Biotechnology Sample Paper 2019 Solved

Bio Technology Class 12 Sample Paper

CBSE Class 12 Biotechnology Sample Paper 2019 Solved. 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. 4 copies of ds DNA are subjected to polymerase chain reaction. How many copies would be obtained after 20 cycles?

OR

How can we use LEU 2 gene as a selectable marker?

2. Specify the role of alkaline phosphatase in cloning. 

3. Specific activity increases during subsequent steps of a protein purification scheme. How can you relate it with the purity of protein?

4. Animal cells in a culture medium were placed in a regular incubator used for growing bacterial cells. Do you expect the animal cells to grow or not?

5. What is Gene Knock out? 

6. What will be the consequence if a protein is having an altered structure?

OR

Expand and define PER?

SECTION-B

7. What are inverted microscopes and why are they useful in animal cell culture lab?

OR

Enlist the advantages and limitations of animal cell culture (two each).

8. Explain a visual method of screening the transformed host cells. 
 
9. Interspecific cross leads to formation of sterile seeds. What could be the reasons for the same and how can normal development be achieved?
 
10. A protein from cell A and cell B is compared to find the whole protein pattern by a technique
developed by O’Farrel. Name the technique. State its principle.
 
11. C.elegans is a eukaryotic organism with a genome of 97 Mb and about 20,000 genes. What organizational features of this genome are unusual when compared to the genomes of other eukaryotes, such as yeast and Drosophila?
 
OR
Annotation of human genome sequence reveals that our genome contains 30000- 33000 genes.Proteomic analysis indicates that human cells are capable of synthesizing more than 30,000 different proteins. How can this discrepancy be reconciled?
 
12. Foot and Mouth Disease Virus(FMDV) vaccine is made by growing the virus in animal cells,harvesting the virus and inactivating it for vaccine formulations. Given the following data,calculate the weight and volume of the harvested virus from a bioreactor-
(a) Total bioreactor capacity= 1000 l( atleast 20% space must be kept for oxygen and CO2 )
(b) Number of animal cells= 105/ml
(c) Number of virus particles/animal cell=50
Assume the virus to be a sphere with a gram molecular weight of 106 Daltons (1 million) and radius = 1nm.
OR
Recombinant insulin is produced at 100 mg/L by E. coli at a cell concentration of 1 g/L.
Calculate the volume of reactor (size of the fermentor) needed to produce 1 Kilogram of insulin in the following conditions:
(a) When the cell concentration is 1 g/L and insulin production is 100 mg /L.
(b) When the cell concentration is 50 g/L and insulin production is 100 mg /L.
 
13. Name the plant variations developed by long term callus and suspension culture in plants.How can such variations be used in crop improvement?
 
14. Foaming is a problem in most microbiological processes. Mention any two possible causes of this problem? How can it be controlled?
 
SECTION-C
 
15. What is Molecular Pharming ?State its advantages (any 4) 
 
16. Outline the process of creation of chimeric mouse by embryonic stem cell culture.


Please click the link below to download full pdf file for CBSE Class 12 Biotechnology Sample Paper 2019 Solved.

2025
CBSE Class 12 Biotechnology Sample Paper 2025 Solved
2023
CBSE Class 12 Biotechnology Sample Paper 2023
2021
CBSE Class 12 Biotechnology Boards 2021 Sample Paper Solved
2020
CBSE Class 12 Biotechnology Boards 2020 Sample Paper Solved
2019
CBSE Class 12 Biotechnology Sample Paper 2019 Solved
2017
CBSE Class 12 Biotechnology Sample Paper 2017 Set B
CBSE Class 12 Biotechnology Sample Paper 2017 Solved Set A
2015
CBSE Class 12 Biotechnology Sample Paper 2015 Set A
2012
CBSE Class 12 Biotechnology Sample Paper 2012 Set A
CBSE Class 12 Biotechnology Sample Paper 2012 Set B
2011
CBSE Class 12 Biotechnology Sample Paper 2011 Set A
CBSE Class 12 Biotechnology Sample Paper 2011 Set B
2008
CBSE Class 12 Biotechnology Sample Paper 2008 Set A
* More Sample Papers
CBSE Class 12 Biotechnology Sample Paper Set B with Answers
Tags
CBSE Latest Sample Papers
CBSE Class 12 Bio Technology Sample Papers
CBSE Class 12 Bio Technology pdf Sample Papers
Class 12 Bio Technology Sample Papers pdf
CBSE Class 12 Bio Technology
Bio Technology Class 12 Sample Papers
CBSE Class 12 Bio Technology Solved Sample Papers
Sample Papers for Class 12 Bio Technology
NCERT Class 12 Bio Technology Sample Paper

CBSE Class 12 Biotechnology Sample Paper 2019 Solved

We hope you liked the above provided CBSE Class 12 Biotechnology Sample Paper 2019 Solved. To get an understanding of the type of questions which were asked in exams, it is important for Class 12 students to understand the way sample Paper are set by teachers. Students can download the Sample Paper for Class 12 Bio Technology which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. By doing CBSE Class 12 Biotechnology Sample Paper 2019 Solved you will understand the regular questions and MCQ questions for Class 12 Bio Technology which are always asked. You can download CBSE Class 12 Bio Technology Sample Paper and Class 12 Bio Technology Question Papers in PDF. You should attempt all the last year question paper for Class 12 and Class 12 Bio Technology MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers.

Where can I download CBSE Class 12 Biotechnology Sample Paper 2019 Solved in Pdf

You can download CBSE Class 12 Biotechnology Sample Paper 2019 Solved from StudiesToday.com

How can I improve my scores by solving CBSE Class 12 Biotechnology Sample Paper 2019 Solved

Regular practice of sample question paper given on studiestoday for CBSE Class 12 Biotechnology Sample Paper 2019 Solved can help you to score better marks in exams

Are there any websites that offer free CBSE Class 12 Biotechnology Sample Paper 2019 Solved

Yes, studiestoday.com provides all latest CBSE Class 12 Bio Technology Sample Papers with answers based on the latest format issued for current academic session

Are mock CBSE Class 12 Biotechnology Sample Paper 2019 Solved available in multiple languages

Yes, mock CBSE Class 12 Biotechnology Sample Paper 2019 Solved are available in multiple languages, including English, Hindi