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: 13/05/2022
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.
latest Book back QuestionsDownload 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 Marks
1.
Select the incorrect statement from given statement.
A tonic used for cardiac arrest is obtained from Digitalis purpurea
Medicine used to treat Rheumatic pain is extracted from Capsicum annum
An anti malarial drug is isolated from Cinchona officinalis.
Anti-cancinogenic property is not seen in Catharanthus roseus.
2.
The prevention of large scale loss of biological integrity ____.
Biopatent
Bioethics
Biosafety
Biofuel
3.
Cryopreservation means it is a process to preserve plant cells, tissues or organs _____.
at very low temperature by using ether.
at very high temperature by using liquid nitrogen
at very low temperature of -196°C by using liquid nitrogen
at very low temperature by using liquid nitrogen
4.
Solidifying agent used in plant tissue culture is _____.
Nicotinic acid
Cobaltous chloride
EDTA
Agar
1 Marks
1.
(d)
Anti-cancinogenic property is not seen in Catharanthus roseus.
2.
(c)
Biosafety
3.
(c)
at very low temperature of -196°C by using liquid nitrogen
4.
(d)
Agar
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