12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
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
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

Published on: 02/06/2021
QB365 provides detailed and simple solution for every book back questions in class 12 Biology subject.It will helps to get more idea about question pattern in every book back questions with solution.
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.
How many map units separate two alleles A and B if the recombination frequency is 0.09?
900 cM
90 cM
9 cM
0.9 cM
2.
3.
Changing the codon AGC to AGA represents _______.
missense mutation
nonsense mutation
frameshift mutation
deletion mutation
4.
If haploid number in a cell is 18. The double monosomic and trisomic number will be _____.
35 and 37
34 and 37
37 and 35
17 and 19
5.
The point mutation sequence for transition, transition, transversion and transversion in DNA are ______.
A to T, T to A, C to G and G to C
A to G, C to T, C to G and T to A
C to G, A to G, T to A and G to A
G to C, A to T, T to A and C to G
1.
(c)
9 cM
2.
(c)
3.
(a)
missense mutation
4.
(b)
34 and 37
5.
(b)
A to G, C to T, C to G and T to A
12th Standard Syllabus & Materials
12th Standard
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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