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Published on: 06/11/2020
12th Standard Economics Environmental Economics English Medium Free Online Test One Mark Questions 2020 - 2021
Download Tamil Nadu 12th Standard Economics 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
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1.
Which one of the following does not promote stability of the ecosystem?
Balancing between production and consumption of each element in the ecosystem.
Balance between input and output of energy
Normal functioning of different biochemical cycles.
Increase of human population
2.
Which of the following conditions indicate the impact of global warming?
1. Melting of glaciers
2. Lowering down of sea level
3. Changes in weather conditions
4. Rise in global temperature
Select the correct answer from the codes given below:
Codes:
1 and 2
1, 2 and 3
1, 3 and 4
1,4
3.
All of the following are ways to cope with negative externalities except
public choice
obligatory controls
pollution taxes
creating new property forms
4.
The alkali soils are predominantly located in the _____________
Indo-Gangetic plains
Himalayaas
Southern Peninsula
Western Ghats
5.
Which is not a remedial measure to control Land Pollution
Making people aware about the concept of a Reduce, Recycle and Reuse
Buying biodegradable products
Keeping cultivation
Minimizing the usage of pesticides
6.
Eutrophication is an increase____________ in water bodies.
level of minerals
level of vitamins
level of nutrients
level of balance
7.
Find the relevant term of the following statement. “A person smoking cigarette gets may give satisfaction to that person, but this act causes hardship (dissatisfaction) to the non-smokers who are driven to passive smoking.”
Positive production Externality
Positive Consumption Externality
Negative Consumption Externality
None of the above
8.
Pure public goods pose a ________________?
free-rider problem
environment tax
environment fee
none of the above
9.
In economic activities of Goods and Service, what the RdP + RdC mean?
Final Residual Discharge from Production and Consumption
Residual Discharges from Consumption and Production
Consumption and Production
Recycles from Production and Consumption
10.
In economic activities of Goods and Service, what the RrP + RrC mean?
Recycles from Production and Consumption
Residual Discharges from Consumption and Production
Consumption and Production
Final Residual Discharge from Production and Consumption
11.
_________________ considers the total economic process as a physically balanced flow between inputs and outputs.
Material Balance Model
Material Equality Model
Material Environmental Model
Material atmospheric Model
12.
Many area affected by ___________ of human pollution.
carelessness
solid waste
chemical
sludge
13.
The natural pollution causes both aquatic and
Cancer
Human illness
Children
Asthm(a)
14.
Children are highly vulnerable and expect to and ___________ commonly suffer from pneumonia and asthma.
Air pollutants
Water pollutions
Land Pollution
Noise pollutions
15.
The common sources of out door air pollution are caused by
Motor vehicle
Power plants
Solid fuel burning
Discharge of savage
16.
"What goes in must come out" This is known as
Eco system
Material balance Approach
Material balance model
Material balance principle
17.
Sustainable Development Goals and targets are to be achieved by ____________
2020
2025
2030
2050
18.
Which of the following is the anticipated effect of Global warming?
Rising sea levels
Changing precipitation
Expansion of deserts
All of the above
19.
Which of the following is responsible for protecting humans from harmful ultraviolet rays?
UV-A
UV-C
Ozone layer
None of the above
20.
The term environment has been derived from a French word _________
Environ
Environs
Environia
Envir
1.
(d)
Increase of human population
2.
(c)
1, 3 and 4
3.
(a)
public choice
4.
(a)
Indo-Gangetic plains
5.
(c)
Keeping cultivation
6.
(c)
level of nutrients
7.
(c)
Negative Consumption Externality
8.
(a)
free-rider problem
9.
(a)
Final Residual Discharge from Production and Consumption
10.
(a)
Recycles from Production and Consumption
11.
(a)
Material Balance Model
12.
(a)
carelessness
13.
(b)
Human illness
14.
(a)
Air pollutants
15.
(d)
Discharge of savage
16.
(b)
Material balance Approach
17.
(c)
2030
18.
(b)
Changing precipitation
19.
(c)
Ozone layer
20.
(c)
Environia
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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