Solved question paper for ES May-2021 (DIPLOMA 3rd)

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Environmental studies May-2021

PSBTE • DIPLOMA • Information Technology • 3rd • May-2021

Environmental Studies for Punjab State Board of Technical Education Diploma in Engineering, Information Technology, 3rd semester is listed here to help students find subject-wise previous year question papers and old papers for exam preparation. By viewing these papers, students can understand the question style, identify repeated topics, and revise key concepts more effectively before the exam. This page is meant for students looking for ES previous year question papers, paper downloads, and revision support for PSBTE IT sem 3. BRpaper is not the official website of Punjab State Board of Technical Education and does not claim to publish official content. It only helps students access exam-related papers and preparation material for this subject.

Question papers (year-wise) Solutions

Solved Questions

Solved

The study of interactions between living and non living organisms and environment is called as

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 The science that deals with the relationship of various organisms with their environment is known as

May 2019 The study of interactions between living and nonliving organisms and environment is called

Dec 2018 The science that deals with the relationship of various organisms with their environment is known as
Non-Living factors in the environment are called

MCQ May-2021 • PSBTE DIPLOMA

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Dec 2015 Non living factors are:

Dec 2015 Non living factors are:
The pyramid of energy in any eco-system is

MCQ May-2021 • PSBTE DIPLOMA

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May 2017 The pyramid of energy in any ecosystem is:

May 2016 The pyramid of energy in any ecosystem is:

Dec 2016 The pyramid of energy in an ecosystem is always

Dec 2015 Pyramid of Energy in ecosystem is:

Dec 2015 Pyramid of Energy in ecosystem is:
Global warming means:

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 Global warming means:

Dec 2018 Global warming means:

Sustainable development

MCQ May-2021 • PSBTE DIPLOMA

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The driving force of an eco-system is

MCQ May-2021 • PSBTE DIPLOMA

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May 2017 Driving force of an ecosystem is

May 2017 The driving force of an ecosystem is……….

May 2016 The driving force of an ecosystem is……….
EIA is related to

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 EIA is related to

Dec 2018 EIA is related to
Layer of atmosphere that absorbs ultraviolet rays from Sun is called

MCQ May-2021 • PSBTE DIPLOMA

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May 2020 Layer of atmosphere which saves life from harmful effects of \'UV\' radiations is known as

May 2019 Layer of atmosphere that absorbs ultraviolet rays from Sun is called

Dec 2019 A layer located in stratosphere which absorbs ultraviolet rays of sun called

Dec 2018 Layer of atmosphere that absorbs ultraviolet rays from Sun is called

In India the percentage of land under forest is about

MCQ May-2021 • PSBTE DIPLOMA

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May 2017 In our country the percentage of land under forest is about:

May 2016 In our country the percentage of land under forest is about:

Dec 2016 In our country the % of land under forest is about

Dec 2015 In our country, % of land under forest:

Dec 2015 In our country, % of land under forest:
The main cause of desertification is

MCQ May-2021 • PSBTE DIPLOMA

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Dec 2015 Main cause of desertification is:

Dec 2015 Main cause of desertification is:
The depletion in the Ozone layer is caused by

MCQ May-2021 • PSBTE DIPLOMA

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May 2020 The depletion in the Ozone layer is caused by:

May 2019 The depletion in the Ozone layer is caused by

May 2017 Ozone depletion will cause:

May 2016 Ozone depletion will cause:

Dec 2015 Ozone layer depleted due to:

Dec 2015 Ozone layer depleted due to:
The first layer of atmosphere is -

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 The first layer of atmosphere is called the -

Dec 2019 Atmospheric layer closest to earth\'s surface is

Dec 2018 The main atmospheric layer near the surface of earth is

Dec 2016 The first layer of the atmosphere is called

Dec 2015 Highest layer in atmosphere is:

Dec 2015 Highest layer in atmosphere is:

A species is said to be extinct, when it is not seen in the wild for………….years

MCQ May-2021 • PSBTE DIPLOMA

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Smog is combination of

MCQ May-2021 • PSBTE DIPLOMA

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May 2020 Smog is combination of

May 2019 Smog is combination of

Dec 2018 Smog is combination of

May 2017 Smog is

May 2016 Smog is

Dec 2016 Smog is

Dec 2015 Smog is:

Dec 2015 Smog is:
Rain water harvesting is traditionally used in

MCQ May-2021 • PSBTE DIPLOMA

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Concentration of which gas is highest in our environment?

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 Concentration of which gas is highest in our environment?

May 2017 Concentration of which gas is highest in our environment?

May 2016 Concentration of which gas is highest in our environment:

May 2015 The concentration of which gas is highest in our environment?

May 2015 The concentration of which gas is highest in our environment?

Dec 2015 Concentration of which gas is highest in Environment:

Dec 2015 Concentration of which gas is highest in Environment:

Which of these is not a cause of deforestation?

MCQ May-2021 • PSBTE DIPLOMA

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The process of burning of municipal solid waste at high temperature is called

MCQ May-2021 • PSBTE DIPLOMA

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May 2020 The process of burning of municipal solid waste at high temperature is called

May 2019 The process of burning of municipal solid waste at high temperature is called

Dec 2018 The process of burning of municipal solid waste at high temperature is called
E-waste is generated by

MCQ May-2021 • PSBTE DIPLOMA

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Sewage is a source of …………pollution

MCQ May-2021 • PSBTE DIPLOMA

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The largest reservoir of nitrogen on our planet is

MCQ May-2021 • PSBTE DIPLOMA

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Dec 2016 The largest reservoir of nitrogen in our planet is

Dec 2015 Largest reservoir of Nitrogen on Earth is:

Dec 2015 Largest reservoir of Nitrogen on Earth is:
During photosynthesis, trees produce -

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 During photosynthesis trees produce -

Dec 2016 During Photosynthesis trees produce

Dec 2015 During photosynthesis trees produce:

Dec 2015 During photosynthesis trees produce:
Quinine is obtained from –

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 Quinine is obtained from –
Among the following, which is not created by noise pollution

MCQ May-2021 • PSBTE DIPLOMA

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May 2017 Which of the following problems is not created by noise pollution?

May 2016 Which of the following problems is not created by noise pollution:

Dec 2015 Which is not caused by noise pollution:

Dec 2015 Which is not caused by noise pollution:

Low lying area covered with shallow water is called

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 Low lying area covered with shallow water is called

Dec 2015 Low lying areas covered with shallow waters are:

Dec 2015 Low lying areas covered with shallow waters are:
Out of these best solution to get rid of non biodegradable wastes is -

MCQ May-2021 • PSBTE DIPLOMA

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May 2020 One of the best solutions to get rid of non-biodegradable wastes is –

May 2019 One of the best solutions to get rid of non - biodegradable wastes is –

Dec 2018 Which of following is one of the best solutions to get rid of non-biodegradable wastes is

May 2017 One of the best solution to get rid of non-biodegradable wastes is –

May 2016 One of the best solution to get rid of non-biodegradable wastes is:

May 2015 One of the best solution to get rid of non biodegradable wastes are

May 2015 One of the best solution to get rid of non biodegradable wastes are
Biomedical waste is hazardous due to the presence of -

MCQ May-2021 • PSBTE DIPLOMA

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Where was the U.N. conference on human environment held

MCQ May-2021 • PSBTE DIPLOMA

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The remains of dead animals and plants following their death are called -

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 The remains of dead animals and plants following their death are called -

May 2017 The remains of dead animals and plants following their death are called:

May 2016 The remains of dead animals and plants following their death are called:

May 2015 The remains of dead animals and plants following their death are called

May 2015 The remains of dead animals and plants following their death are called
Which one is needed to estimate human's impact on the environment –

MCQ May-2021 • PSBTE DIPLOMA

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Biogas plants using cattle dung are called -

MCQ May-2021 • PSBTE DIPLOMA

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May 2020 Biogas plants using cattle dung are called -

May 2019 Biogas plants using cattle dung are called -

Dec 2019 Biogas plants using cattle dung are called

May 2017 Biogas plants using cattle dung are called----

May 2016 Biogas plants using cattle dung are called:

May 2015 Biogas plants using cattle dung are called

May 2015 Biogas plants using cattle dung are called

Dec 2015 Biogas plants using cattle dung are:

Dec 2015 Biogas plants using cattle dung are:
During construction , green architecture seeks to reduce waste of –

MCQ May-2021 • PSBTE DIPLOMA

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The area reserved for the welfare of wildlife is called

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 The area reserved for the welfare of wildlife is called

Dec 2019 The area reserved for the welfare of wildlife is called

Dec 2018 The area reserved for welfare of wildlife is called -

May 2017 The area reserved for the welfare of wildlife is called

May 2016 The area reserved for the welfare of wildlife is called:

Dec 2016 The area reserved for the welfare of wildlife is called

May 2015 The area reserved for the welfare of wildlife is called

May 2015 The area reserved for the welfare of wildlife is called

Dec 2015 Area reserved for wildlife welfare:

Dec 2015 Area reserved for wildlife welfare:
The Taj Mehal at Agra may be damaged by –

MCQ May-2021 • PSBTE DIPLOMA

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May 2020 The Taj Mehal at Agra may be damaged by –

May 2019 The Taj Mehal at Agra may be damaged by –

May 2017 The Taj Mehal at Agra may be damaged by:

May 2016 The Taj Mehal at Agra may be damaged by:

May 2016 The Taj Mahal at Agra may be damaged by:

Dec 2016 The Taj Mahal at Agra may be damaged by

May 2015 Taj Mahal at Agra may be damages by:

May 2015 Taj Mahal at Agra may be damages by:

Dec 2015 Taj mahal may be damaged by:

Dec 2015 Taj mahal may be damaged by:
Sea waste contains many dissolved compounds in which most predominant basic element is

MCQ May-2021 • PSBTE DIPLOMA

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The futuristic green buildings are to use green materials such as-

MCQ May-2021 • PSBTE DIPLOMA

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Rising pollution level is leading to

MCQ May-2021 • PSBTE DIPLOMA

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Decomposers include -

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 Decomposers include -

Dec 2015 Decomposers include:

Dec 2015 Decomposers include:
IGBC stands for -

MCQ May-2021 • PSBTE DIPLOMA

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White coal is -

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 White coal is -

Dec 2016 White coal is

Habitat can be defined as the natural locality of an

MCQ May-2021 • PSBTE DIPLOMA

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The source of energy in an ecosystem is –

MCQ May-2021 • PSBTE DIPLOMA

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May 2020 The source of energy in an ecosystem -

May 2019 The source of energy in an ecosystem -

Dec 2018 The source of energy in an ecosystem is

Dec 2016 Source of energy in an ecosystem is

Dec 2015 Source of energy in ecosystem is :

Dec 2015 Source of energy in ecosystem is :
If population of a species has rapidly reduced in the recent past, it is called……………..species.

MCQ May-2021 • PSBTE DIPLOMA

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Carbon-die-oxide is essential for –

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 Carbon-di-oxide is essential for –

Which of the following electricity generating power plant releases radioactive materials?

MCQ May-2021 • PSBTE DIPLOMA

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Gas leaked in Bhopal tragedy was-

MCQ May-2021 • PSBTE DIPLOMA

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Dec 2015 Gas leaked in Bhopal tragedy:

Dec 2015 Gas leaked in Bhopal tragedy:
Which of the following is the indicator of microbial quality of water -

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 Which of the following is the indicator of microbial quality of water -
Energy generated from sea water is called -

MCQ May-2021 • PSBTE DIPLOMA

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May 2019 Energy generated from sea water is called -

Formation of hole in ozone is maximum over

MCQ May-2021 • PSBTE DIPLOMA

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Dec 2015 Hole formation in ozone is maximum over:

Dec 2015 Hole formation in ozone is maximum over:
Natural noise is caused by -

MCQ May-2021 • PSBTE DIPLOMA

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FAQ

Frequently Asked Questions

Answers about this subject, solved papers, and preparation.

Updated regularly

01 What can I find on this Environmental Studies page for PSBTE IT 3rd semester?

You can find subject-wise previous year question papers and old papers for Environmental Studies in PSBTE Diploma in Engineering Information Technology 3rd semester.

02 Can I use these papers to prepare for the exam pattern?

Yes. Previous year papers help you understand the question style, common topics, and the usual exam pattern for Environmental Studies.

03 Are solved papers available for Environmental Studies here?

This page is focused on previous year and old question papers. It does not guarantee solved papers.

04 How do previous year papers help with revision?

They help you revise important concepts, spot repeated questions, and practice writing answers within exam time.

05 Is BRpaper the official website of Punjab State Board of Technical Education?

No. BRpaper is not the official website of Punjab State Board of Technical Education. It only helps students find exam papers and preparation material.

Solved question paper for ES May-2021 (DIPLOMA 3rd)

Environmental studies May-2021

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