Environmental Geography (Optionals IAS Mains Geography): Questions 1 - 9 of 9

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Question number: 1

» Environmental Geography » Biodiversity and Sustainable Development

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Appeared in Year: 2012

Essay Question▾

Describe in Detail

Programmes initiated by the International Council of Science on Earth System studies

Explanation

The International Council for Science (ICSU) aims to mobilize international global change scientific community around an unprecedented decade of research to support sustainable development for global change and works closely with International Social Science Council (ISSC) for the same.

Human-induced global change is leading to severe threats and

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Question number: 2

» Environmental Geography » Global and Regional Ecological Changes and Imbalances

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Appeared in Year: 2012

Essay Question▾

Describe in Detail

Major components of IGBP.

Explanation

Introduction to IGBP: International Geosphere-Biosphere Program (IGBP) aims to study the phenomenon of global change. It closed in 2015. This was led by International Council of Scientific Unions in 1986.

Vision of IGBP: Aims to provide essential scientific leadership and knowledge of the Earth system to help guide society onto a sustainable path

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Question number: 3

» Environmental Geography » Influence of Man on Ecology and Environment

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Why is there an urgent need to protect the Western Ghats of India? Explain & critically evaluate the various committees set up for this purpose.

Explanation

  • Western Ghats are not only a Biodiversity Hotspot but also termed as would heritage site by UNESCO. It is one of the eight worlds “Hottest-Hotspot” and also sometimes called as Great Escarpment of India.

  • Western Ghats are also source of numerous rivers of peninsular India i. e. Krishna, Godavari, Kaveri etc. But now a days, this heritage of

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Question number: 4

» Environmental Geography » Biodiversity and Sustainable Development

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Appeared in Year: 2016

Essay Question▾

Describe in Detail

Discuss the significance of World Climate Research Program (WCRP) and its core projects in the understanding of climate change.

Explanation

The World Climate Research Program was established in 1980 by International Council for Science and the World Meteorological Organization. It was later sponsored by the Intergovernmental Oceanographic Commission by UNESCO since 1993. It is a component of the World Climate Program. The significance of World Climate Research Program are given below:

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Question number: 5

» Environmental Geography » Global and Regional Ecological Changes and Imbalances

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Appeared in Year: 2016

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Give a reasoned account on how the impact of Global Warming differs from one part of the Earth to the other.

Explanation

  • Global warming has resulted in heating up of the atmosphere due to increase in the greenhouse gases such as CO2, methane, nitrous oxide, ozone, CFCs. Due to increase in greenhouse gases, solar radiation is absorbed by these gas particles and the outgoing energy is also absorbed and re-emitted b the gas particles. So the atmosphere and the surfa

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Question number: 6

» Environmental Geography » Environmental Degradation

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“Radioactive pollution can be serious threat to society”. Discuss in light of Fukushima Nuclear reactor.

Explanation

Radioactive pollution is the alteration of environment by radioactive pollutants causing harm to human as well as environment.

Image shows the sources

Image Shows the Sources

Image shows the sources

Fukushima nuclear reactor tsunami 2011 in Japan, affected operations of coast-based Fukushima nuclear reactor, moreover, it caused maltase of one of the reactor creating

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Question number: 7

» Environmental Geography » Ecosystem Their Management and Conservation

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Essay Question▾

Describe in Detail

Differentiate environment, ecology and ecosystem. Explain functional aspects of ecosystem. (15 marks) (Examrace Test Series 2017)

Explanation

  • Ecosystem refers to the all the living component and nonliving component of any (system) and their interrelationship and hence is a functional unit. A pond and ocean can be an ecosystem.

Image shows the Ecosystem

Image Shows the Ecosystem

Image shows the Ecosystem

  • Environment mainly refers to the abiotic parts of nature like air, water, land, solar insolation avai

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Question number: 8

» Environmental Geography » Management and Conservation

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Essay Question▾

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Ozone destruction and ozone hole is a growing cause of concern. Comment. Discuss how Montreal Protocol acts as a way forward?

Explanation

Ozone layer protects earth by absorbing certain kinds of UV rays. There are 3 wavelength ranges UV-C, UV-B and UV-A.

Ozone Shelters earth from UV-C2, UV-B rays.

Ozone is in stratosphere (10 - 40 km) above surface of earth and has been shielding the whole biosphere for a long time. But in the past 70 - 80 years humans have caused activities to un

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Question number: 9

» Environmental Geography » Ecosystem Their Management and Conservation

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Essay Question▾

Describe in Detail

Differentiate between environment, ecology and ecosystem is as follows

Explanation

Table of The Environment, Ecology and Ecosystem

Table of The Environment, Ecology and Ecosystem

Environment

Ecology

Ecosystem

1) everything that surrounds or affects an organization during its lifetime is known as environment

1) It is the study of relationship of living organisms with each other and with their environment

1) It is a structural and functional unit of biosphere consisting of living beings and the physical environment both interacting and exchanging materials between then.

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