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Published on: 29/08/2022
QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Biology Subject - Botany - Principles and Processes of Biotechnology, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
Download Tamil Nadu 12th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Biology Test1.
Statement 1: DNA is a hydrophobic molecule.
Statement 2: T-DNA is a part of E-coli plasmid.
Statement 1 is correct and Statement 2 is also correct.
Statement 1 is correct and Statement 2 is incorrect.
Both the statements are incorrect.
Statement 1 is incorrect and Statement 2 is correct.
2.
Statement 1: Liposomes are the artificial lipoprotein vesicles.
Statement 2: Liposomes are highly used in gene transfer.
Statement 1 is correct and Statement 2 is also correct.
Statement 1 is correct and Statement 2 is incorrect.
Both the statements are incorrect.
Statement 1 is incorrect and Statement 2 is correct
3.
Statement 1: YAC plasmid behaves like a yeast chromosome.
Statement 2: Circular YAC multiplies in bacteria.
Statement 1 is correct and Statement 2 is also correct.
Statement 1 is correct and Statement 2 is incorrect
Both the statements are incorrect.
Statement 1 is incorrect and Statement 2 is correct.
4.
pUC 19 is an example for_______
Shuttle vector
Expression vector
Cosmid
Phagemid vector
5.
Number of base pairs does pBR 322 plasmid contains ______
322
4322
4361
3264
6.
A vector should________
(i) contain suitable marker
(ii) contain ori site
(iii) have poly linkess
(iv) be small in size
i, ii and iii
ii, iii and iv
i, ii and iv
all the above
7.
Observe the diagram and name A and B.
A - Plasmid B - Vector
A - Nucleoid - B - Plasmid
A - Bacterial chromosome B - Vector
A - Nucleoid - B - x phage DNA
8.
Self-ligation is prevented by____________
DNA Polymerase
Helicase
Alkaline phosphate
DNA lipase
9.
The bacteria responsible for causing Crown Gall:
Escherichia coli
Bacillus subtilis
Bacillus thuringiensis
Agrobacterium tumefaciens
10.
Select the correct restriction enzyme which breaks the phosphodiester bond within a DNA molecule.
(i) Ba131
(ii) Hind II
(iii) BamHI
(iv) Pvul
i and iii
i, ii and iii
ii, iii and iv
i only
11.
Identify the non-fungal species used in SCP production.
(i) Candida
(ii) Chlorella
(iii) Chlamydomonas
(iv) Cellulomonas
i and ii
ii and iii
ii, iii and iv
All the above
12.
Pick out the mismatched pair(s):
(i) Amphotericin-B - Streptomyces notatum
(ii) Penicillin - Penicillium nodosus
(iii) Streptomycin - Streptomyces griseus
(iv) Tetracycline - Streptomyces aureofaciens
i and ii
ii and iii
iii and iv
i only
13.
Identify the incorrect statement:
French chemist Louis Pasteur demonstrated the fermentation.
Fermentor is a vessel providing optimal condition for microbial action.
Solvent extraction is an upstream process of fermentation.
Distillation and filtration comes under down stream process.
14.
Zymology deals with __________
Study of yeast fungus and its practical applications.
Study of fermentation and its uses.
Study of Bioreactors and their construction methodology.
Study of zymase producing microbes and its benefits.
15.
Which of the following person coined the term biotechnology?
Ernst Hoppe
Stanley Cohen
Ian Wilmet
Karl Ereky
1.
(c)
Both the statements are incorrect.
2.
(d)
Statement 1 is incorrect and Statement 2 is correct
3.
(a)
Statement 1 is correct and Statement 2 is also correct.
4.
(b)
Expression vector
5.
(c)
4361
6.
(d)
all the above
7.
(b)
A - Nucleoid - B - Plasmid
8.
(c)
Alkaline phosphate
9.
(d)
Agrobacterium tumefaciens
10.
(c)
ii, iii and iv
11.
(c)
ii, iii and iv
12.
(a)
i and ii
13.
(c)
Solvent extraction is an upstream process of fermentation.
14.
(b)
Study of fermentation and its uses.
15.
(d)
Karl Ereky
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Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
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