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: 05/11/2020
12th Standard Zoology - Environmental Issues English Medium Free Online Test One Mark Questions 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.
What is the name of the action plan for sustainable development framed in Rio conference in 1992?
Action 21
Declaration 21
Protocol 21
Agenda 21
2.
UN conference on Sustainable development in 2012 was held at_______
Ruanda
Rio de Janeiro
Geneva
Stockholm
3.
The intensity of noise is measured in_______
Dobson
Hertz
Decibel
Frequency
4.
A lake which is rich in organic waste may result in
Drying of the lake due to algal bloom
Increased population of fish due to lots of nutrients
Mortality of fish due to lack of oxygen
Increases population of aquatic organisms due to minerals
5.
Kyoto Protocol was endorsed at
CoP - 3
CoP - 5
CoP - 6
CoP - 4
6.
The 2018 UN climate change conference was held in ___________
Rwanda
New York
Russia
Poland
7.
The tolerable level of sound is _____________
140 db
120 db
100 db
2220 db
8.
The Hydrochlorofluorocarbons (HCFCs) are the compounds which have the following molecules:
Hydrogen
Carbon
Chlorine
Fluorine
9.
The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as
Biomagnification
Bioremediation
Biomethanation
Bioreduction
10.
Right to Clean Water is a fundamental right, under the Indian Constitution
Article 12
Article 21
Article 31
Article 41
1.
(d)
Agenda 21
2.
(b)
Rio de Janeiro
3.
(c)
Decibel
4.
(c)
Mortality of fish due to lack of oxygen
5.
(a)
CoP - 3
6.
(d)
Poland
7.
(b)
120 db
8.
(c)
Chlorine
9.
(b)
Bioremediation
10.
(b)
Article 21
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
