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Published on: 13/05/2022
QB365 provides detailed and simple solution for every Creative Questions in class 12 Biology Subject. It will helps to get more idea about question pattern in every Creative questions with solution.
latest Creative QuestionsDownload 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: 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.
3.
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
4.
The bacteria responsible for causing Crown Gall:
Escherichia coli
Bacillus subtilis
Bacillus thuringiensis
Agrobacterium tumefaciens
5.
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.
1.
(c)
Both the statements are incorrect.
2.
(a)
Statement 1 is correct and Statement 2 is also correct.
3.
(b)
A - Nucleoid - B - Plasmid
4.
(d)
Agrobacterium tumefaciens
5.
(c)
Solvent extraction is an upstream process of fermentation.
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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
French
Tamilnadu Stateboard Standards
