12th Standard Syllabus & Materials
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Published on: 27/08/2022
QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Biology Subject - Zoology - Applications 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.
Vaccines that use components of a pathogenic organism rather than the whole organism are called
Subunit recombinant vaccines
attenuated recombinant vaccines
DNA vaccines
conventional vaccines
2.
Transgenic animals are those which have
Foreign DNA in some of their cells
Foreign DNA in all their cells
Foreign RNA in some of their cells
Foreign RNA in all their cells
3.
Which one of the following statements is true regarding DNA polymerase used in PCR?
It is used to ligate introduced DNA in recipient cells
It serves as a selectable marker
It is isolated from a Virus
It remains active at a high temperature
4.
5.
How many amino acids are arranged in the two chains of Insulin
Chain A has 12 and Chain B has 13
Chain A has 21 and Chain B has 30 amino acids
Chain A has 20 and Chain B has 30 amino acids
Chain A has 12 and chain B has 20 amino acids.
6.
The genetic defect adenosine deaminase deficiency may be cured permanently by
Enzyme replacement therapy
periodic infusion of genetically engineered lymphocytes having ADA cDNA
administering adenosine deaminase activators
introducing bone marrow cells producing ADA into embryo at an early stage of development.
7.
Dolly, the sheep was obtained by a technique known as
Cloning by gene transfer
Cloning without the help of gametes
Cloning by tissue culture of somatic cells
Cloning by nuclear transfer
8.
The first clinical gene therapy was done for the treatment of
AIDS
Cancer
Cystic fibrosis
SCID
1.
(a)
Subunit recombinant vaccines
2.
(b)
Foreign DNA in all their cells
3.
(d)
It remains active at a high temperature
4.
(a)
5.
(b)
Chain A has 21 and Chain B has 30 amino acids
6.
(a)
Enzyme replacement therapy
7.
(d)
Cloning by nuclear transfer
8.
(c)
Cystic fibrosis
12th Standard Syllabus & Materials
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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
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