12th Standard Syllabus & Materials
12th Standard
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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
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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 21/06/2021
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.
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: The widely accepted DNA replication model is Holliday's hybrid DNA model.
Statement 2: The vertical cut in the DNA results in heteroduplex with non-recombinants.
Statement 1 is correct and Statement 2 is incorrect
Statement 1 is incorrect and Statement 2 is correct
Both the statements are correct
Both the statements are incorrect
2.
Mutation theory was proposed by____________
T. H. Morgan
Hugo de Vries
Alfred Sturtevant
Sutton and Boveri
3.
At which stage of meiosis, does the chromosomes undergo recombination process
Leptotene stage of prophase I
Zygotene stage of prophase I
Diplotene stage of prophase I
Pachytene stage of prophase I
4.
Identify the syntenic gene from the given genes sequence of a chromosome G-H-I-J-K-L-M-A-B
G and H
J, K and L
G and B
A and B
5.
The following sequence represents the location of genes in a chromosome. A - B - C - M - R - S - y -Z. Which of the gene pairs will have least chance of getting inherited together?
A and M
Sand Y
M and Z
A and Y
1.
(d)
Both the statements are incorrect
2.
(b)
Hugo de Vries
3.
(d)
Pachytene stage of prophase I
4.
(c)
G and B
5.
(d)
A and Y
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
