12th Standard Syllabus & Materials
12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set D
NEW12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set C
NEW12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set B
NEW12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set A
NEW12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set D
NEW12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set C

Published on: 01/06/2021
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.
Which of the following phenotypes in the progeny are possible from the parental combination AxB?
A and B only
A,B and AB only
AB only
A, B, AB and O
2.
Which of the following is not correct?
Three or more alleles of a trait in the population are called multiple alleles
A normal gene undergoes mutations to form many alleles
Multiple alleles map at different loci of a chromosome
A diploid organism has only two alleles out of many in the population
3.
Three children of a family have blood groups A, AB and B. What could be the genotypes of their parents?
IA IB and IoIo
IA Io and IBIo
IB IB and IA IA
IA IA and IoIo
4.
5.
Haemophilia is more common in males because it is a ______.
Recessive character carried by Y-chromosome
Dominant character carried by Y-chromosome
Dominant trait carried by X-chromosome
Recessive trait carried by X-chromosome
1.
(d)
A, B, AB and O
2.
(c)
Multiple alleles map at different loci of a chromosome
3.
(b)
IA Io and IBIo
4.
(a)
5.
(d)
Recessive trait carried by X-chromosome
12th Standard Syllabus & Materials
12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set B
NEW12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set A
NEW12th Standard
TN 12th Standard Physics Wave Optics Creative Questions Study Material - QB365 Set D
NEW12th Standard
TN 12th Standard Physics Wave Optics Creative Questions Study Material - QB365 Set C
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