12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
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Published on: 05/11/2020
12th Standard Zoology - Applications of Biotechnology English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021
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.
Some of the characteristics of Bt cotton are
Long fibre and resistance to aphids
Medium yield, long fiber and resistance to beetle pests
High yields and production of toxic protein crystals which kill dipteran pests.
High yield and resistance to bollworms
2.
___________among the following will not serve as store house of stem cell.
Blood
Bone marrow
Amniotic fluid
Placenta
3.
This is not the advantage of new generation vaccine
They trigger immune response only against not specific pathogens
They produce target proteins
They produce long lasting immunity
They are with less toxic effect
4.
Using recombinant E.Coli, mass production of hGH is carried out by_______
genetic engineering
biotechnology
fermentation technology
recombinant DNA
5.
Myeloid stem cells can differentiate into Band T cells only, This is a case of_______
Totipotency
Unipotency
Oligopotency
Multipotency
6.
Interferons were discovered by________
Banting
Flemming
Engvall
Alick Isaacs and Lindemann
7.
Alpha lactalbumin is a protein with___________minoacids.
120
133
123
140
8.
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
9.
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
10.
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
1.
(d)
High yield and resistance to bollworms
2.
(a)
Blood
3.
(a)
They trigger immune response only against not specific pathogens
4.
(a)
genetic engineering
5.
(c)
Oligopotency
6.
(d)
Alick Isaacs and Lindemann
7.
(c)
123
8.
(a)
Subunit recombinant vaccines
9.
(b)
Foreign DNA in all their cells
10.
(d)
Cloning by nuclear transfer
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
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NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A
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
