Read and download CBSE Class 12 Bio Technology Compartment Question Paper 2020 designed as per the latest question paper pattern and Class 12 examination guidelines issued by CBSE, NCERT and KVS. The past year Question Papers for Class 12 Bio Technology have been provided with solutions which will help students to assess their performance and find out topics in Bio Technology grade 12 which they need to improve to get better marks in Standard 12 exams. After solving these last year papers also refer to solved Sample Papers for Class 12 Bio Technology available on our website to build strong understanding of the subject
Question Paper for Class 12 Bio Technology 2020 Pdf
Students can refer to the below Class 12 Bio Technology Question Paper designed to help students understand the pattern of questions that will be asked in Grade 12 exams. Please download CBSE Class 12 Bio Technology Compartment Question Paper 2020
Bio Technology Class 12 Question Paper 2020
SECTION A
1. Why is agar added to the culture medium used for culturing microbes ?
2. Pectinase enzyme is needed to isolate single cells from a plant tissue. Why ?
OR
For genetic transformation vector, which two DNA sequences are cloned in the T-DNA region of Ti-plasmid in place of unwanted DNA sequences ?
3. Give an example of a disease caused by the absence of the enzyme adenosine deaminase.
OR
What is the cause of thalassemia ?
4. In recombinant DNA technology, what is an ‘insert’ ?
5. Which database retrieval tool carries information on taxonomic classification of an organism ?
OR
Name a single gene mutation in humans which follows Mendelian inheritance, having chromosome 7 as its genomic location.
6. Frozen animal cell culture should be thawed in a water-bath maintained at 370C, with moderate shaking. Why ?
7. What are the two limitations of the germplasm conservation through conventional methods ?
8. Polyethylene glycol is a
(A) Fusogenic chemical
(B) Callus stimulant
(C) Electrofusion stimulant
(D) Differentiation stimulant
9. Which one of the following restriction enzymes produces blunt ends in a DNA fragment ?
(A) Alu I
(B) Eco RI
(C) Bam HI
(D) Hind III
10. The study of full complement of proteins expressed by a genome is called
(A) Proteome
(B) Proteomics
(C) Genomics
(D) Protein analysis
11. Which of the following is a function of cryoprotective agents ?
(A) Long-term preservation of cultures
(B) Prevention of cell damage due to ice crystal formation
(C) Prevent formation of inclusion bodies
(D) To trap the liquid nitrogen
Please click on below link to download CBSE Class 12 Bio Technology Compartment Question Paper 2020.
Books recommended by teachers
| CBSE Class 12 BioTechnology Question Paper Delhi with Answers 2017 |
| CBSE Class 12 BioTechnology Question Paper Foreign with Answers 2017 |
| CBSE Class 12 Bio Technology Question Paper Set 1 2015 Delhi with Answers |
| CBSE Class 12 Bio Technology Question Paper Set 1 2015 Outside Delhi with Answers |