Biotechnology Model Question Paper : www.jac.nic.in Plus Two / 12th Std / +2 Jharkhand

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Document Described : Biotechnology Question Paper, Jharkhand Question Paper

BIOTECHNOLOGY
Full Marks - 70
Pass Marks - 23
Time - 3 Hours
All questions are compulsory.
Candidates are required to give their answers in their own words as far as practicable.
Figures in the margin indicate ful marks.

This question paper is divided into 4 parts :
(I) Contains 15 questions to be answered in one word. Each question carry 1 mark.
(II) Contains 10 questions to be answered in not more than 20-30 words. Each question carry 2 marks.
(III) Contains 5 questions to be answered in not more than 35-50 words. Each question carry 3 marks.
(IV) Contains 4 questions to be answered in not more than 75-100 words. Each question carry 5 marks.

http://jac.nic.in/model_questions.htm
http://jac.nic.in/pdf/model_question...ology12_08.pdf

1. Fil in the blanks with appropriate answer : 1×15=15
(a) Al naturaly occurring amino acids are of configuration.
(b) The thermostable enzyme used in PCR is obtained from thermophilicbacterium, thermus aquaticus.
(c) The first protein sequence reported was that of in 1956, consisting of 51 residues.
(d) The nutrient media used in animal cel cultures are commonly sterilized by
(e) devised the chain-termination method of DNA sequencing.
(f) Uptake of any DNA molecule by any type of cel is caled .
(g) The undifferentiated mass of cells obtained from an explant is called
(h) For mammalian cell cultures, the optimum temperature is °C.
(i) Bio-informatics applies principles of and technologies to make the vast, diverse and complex life sciences data more understandable and useful.
(j) An agent that kills micro-organisms or inhibits their growth is known as
.(k) In the production of yoghourt, a culture of is usualy added to milk.
(l) Secondary structure of proteins are stabilised by bonds.
(m) Diethylaminoethyl cellulose (DEAE- Celulose) is generaly used in chromatography.
(n) The technique of identifying a cell line depending on the distinctive qualities exhibited by it is caled .
(o) is the chemical widely used to arrest cels at metaphase.

2. Very-short answer type questions : 2×10=20
(a) What do you understand by the term protein designing ?
(b) What is Bio-informatics ?
(c) What is the role of DNA probes in various hybridisation techniques ?
(d) What are basic techniques applied in animal cel culture ?
(e) Define ?Transgenic Plants?.
(f) What is DNA library ? How is it useful in recombinant DNA technology ?
(g) Mention the year, when the National Centre for Biotechnology Information (NCBI) was created.
(h) What are genome sequencing projects meant for ?
(i) What are the applications of Triploids in Plant Improvement ?
(j) How structure of a protein determines its function ? Illustrate with a suitable example.

3. Short-answer type questions : 3×5=15
(a) How plant cell culture is applied in agriculture and molecular breeding ?
(b) Describe briefly the three-dimensional shapes of proteins.
(c) Write a note on Functional henomics.
(d) Give the general strategy for isolation and improvement of microbial strains.
(e) Explain the basic reactions involved in the Polymerase Chain Reaction.

4. Long-answer type questions : 5×4=20
(a) Explain the kinetics of microbial growth.
How are they measured ?
(b) Describe various ways in which the proteins can be purified.
(c) Highlight major areas of application of animal cel culture.
(d) Mention the tools used in DNA technology.
How recombinant DNA is made ?