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Published on: 06/11/2020
12th Standard Economics Environmental Economics English Medium Free Online Test One Mark Questions with Answer Key 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.
Consider the following statements:
Assertion: Forests are a renewable resource.
Reason: They enhance the quality of the environment.
Select the correct answer from the codes given below:
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
2.
Consumption of a pure public good
depletes the supply of the good for others
increases the supply of the good
denies the opportunity to consume the good to others
neither depletes the good nor excludes others from consuming it
3.
_______________ is formed due to the result of sulphur dioxide (SO2) and nitrogen oxides (NOx) reacting in the atmosphere with water and returning to earth as rain, fog or snow.
Global Warming
Acid Rain
Cloud Raining
Noise Pollutions
4.
Find the odd one in the context Solid waste
plastic containers
emission
bottles
used cars
5.
Eutrophication______________the oxygen in water which negatively affects fish and other aquatic animal population
inflates
depletes
increases
keeps
6.
Find the relevant organization which said the following statement “Every day about 93% of the world’s children under the age of 15 (1.8 billion children) breath polluted air that puts their health and development at serious risk”.
WTO
WHO
International Environmental Organisation
Indian Ministry of Environment and Forest
7.
Externalities are third party effects arising from production and consumption of goods and services for which _____________
equal compensation is paid
some compensation is paid
no appropriate compensation is paid
none of the above
8.
_____________ is a set of properties and characteristics of the environment either generalized or local, as they impinge on human beings and other organisms
Economic Status
Economics Growth
Environmental Degradation
Environmental quality
9.
In economic activities of Goods and Service, what the RC + RP mean?
Recycles from Production and Consumption
Residual Discharges from Consumption and Production
Consumption and Production
Final Residual Discharge from Production and Consumption
10.
The relationship between the ___________ and _________is generally explained in the form of a “Material Balance Model’’ developed by AlenKneese and R.V. Ayres.
economy and the ecosystem
society and the environment
ecosystem and society
economy and the environment
11.
_______________ means “all the conditions, circumstances, and influences surrounding and affecting the development of an organism or group of organisms”.
atmosphere
environmental economy
ecosystem
Environment
12.
_______________ is the example of positive production externality.
Bee-hive pollination
Beetle pollination
Birds
All the above
13.
Ecosystems can be severely destroyed by __________ pollution.
land
water
noise
air pollution
14.
Improper urban planning will cause more __________ among the city travelers.
Crackers
Factory machinery
Nuisances
Sound from motor vehicle.
15.
Increasing temperature in the atmosphere leads to
Global warming
Oxygen deletion pollution
Microbiological pollutions
Ground water pollutions
16.
Ground water contamination occurs when man made products such as
Gasoline
Oil
Water
Chemical
17.
18.
Which of the following is main cause for deforestation?
Timber harvesting industry
Natural afforestation
Soil stabilization
Climate stabilization
19.
Which one of the following causes of global warming?
Earth gravftation force
Oxygen
Centripetal force
Increasing temperature
20.
The common source of outdoor air pollution is caused by combustion processes from the following ______________
Heating and cooking
Traditional stoves
Motor vehicles
All the above
1.
(b)
Both A and R are true but R is not the correct explanation of A
2.
(d)
neither depletes the good nor excludes others from consuming it
3.
(b)
Acid Rain
4.
(b)
emission
5.
(b)
depletes
6.
(b)
WHO
7.
(c)
no appropriate compensation is paid
8.
(d)
Environmental quality
9.
(b)
Residual Discharges from Consumption and Production
10.
(d)
economy and the environment
11.
(d)
Environment
12.
(a)
Bee-hive pollination
13.
(b)
water
14.
(c)
Nuisances
15.
(a)
Global warming
16.
(c)
Water
17.
(d)
18.
(a)
Timber harvesting industry
19.
(d)
Increasing temperature
20.
(b)
Traditional stoves
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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