CBSE Term 2 Sample Question Paper for Class 12 – Biotechnology
Sample Question papers for Biotechnology of Class 12 Exam are important enough for students to practice answer writing style. Biotechnology is one of the most popular subjects in CBSE Examination Board. Every student works a fear towards exams. The Sample Questionnaire appears to be a way to overcome that fear. Class 12 Exam syllabus is much longer. Model Q&A is created based on the complete syllabus. And based on this question and answer, the students get an idea of how they will prepare for the exam. Experts prepare this Sample Question paper according to the syllabus. Stay involved in the previous year question paper. Seeing the Q&A of it gives the students a special idea on the division of marks. These ideas increase students’ Class 12 in Biotechnology.
CBSE Term 2 Sample Question Paper Class 12 Exam Biotechnology
Board | Central Board of Secondary Education 2022 (CBSE Term 2) |
Class | 12th |
Subject | Biotechnology |
SECTION A
1) Why is r-HUEPO preferred over blood transfusion in such cases where a person has excessive blood loss due to accidents?
OR
Differentiate between primary and secondary animal cell cultures.
2) Sterile seeds may be formed during crosses between distantly related plants. What could be the reason for this and how can it be overcome?
3) Pichia pastoris has many advantages as a eukaryotic expression host. Justify giving two reasons.
4) Name any two databases important in bioinformatics. Mention the type of information which may be obtained from these databases.
OR
Suggest two possible ways for analyzing a given sequence using bioinformatics.
5) State any two applications of protoplast culture in plant biotechnology.
6) Patients who are administered OKT3 do not suffer from an acute renal allograft rejection. Why?
SECTION B
7) a.) What do you mean by gene knock out?
(1) b. Give any two advantages of the preparation of mouse models using gene knockouts useful?
8) a.) How are artificial seeds produced?
(1) b. State two ways in which artificial seeds are different from embryonic seeds.
9) Write the steps of BLAST involved in comparison of DNA sequences.
10) a.) How can microbial cultures be used for the production of different metabolites?
(1) b.) A recently discovered microbial strain gives us the desired metabolite in nanomolar concentration. Suggest two ways of improving the production of the desired metabolite.
11) a. What are edible vaccines?
(1) b. How are edible vaccines advantageous over recombinant vaccines produced by bacterial fermentation?
(2)
How can one obtain virus-free sugarcane plants from virus-infected plants? Are these plants virus-resistant? Give reason for your response.
12) a.) How are the hybridoma cells selected from the culture of B-cells and Myeloma cells while fusing them in hybridoma technology?
(1) b. Which monoclonal antibody is used to treat early stages of breast cancer and how does it work?
Biotechnology-SQP_Term2
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