Environment & Ecology - MOST IMPORTANT CDS Previous Year Questions

It was set up in the year $\displaystyle 2010$

It is involved in effective and expeditious disposal of cases relating to environmental protection and conservation of forests

It may consider giving relief and compensation for damages to persons and property

It is bound by the procedures laid down under the Code of Civil Procedure, $\displaystyle 1908$

Millennium Development Goals

United Nations Conference on Sustainable Development

Earth summit

Post-$\displaystyle 2015$ Development Agenda

Consumption levels

Exhaustible resources

Social equity

Intergenerational equity

East Australian Coast

West Australian Coast

North Australian Coast

South Australian Coast

Great Barrier Reef, Australia

Rainbow Reef, Fiji

Swaraj Island, India

Kyushu Island, Japan

Wood, Grass, Plastic

Wood, Grass, Leather

Fruit peels, Lime juice, China clay cup

Lime juice, Grass, Polystyrene cup

Manas

Pachmarhi

Agasthyamalai

Nilgiri

In $\displaystyle 1973$, UNESCO launched a worldwide programme on man and biosphere

Biosphere reserves promote research on ecological conservation

Nanda Devi Biosphere Reserve is located in Madhya Pradesh

Biosphere reserves are multipurpose protected areas to preserve the genetic diversity in ecosystems

Biome

Community

Abiotic environment

Ecosystem

Energy flow is cyclic and nutrient flow is unidirectional

Energy flow is unidirectional and nutrient flow is cyclic

Both energy and nutrient flow are unidirectional

Both energy and nutrient flow are cyclic

relationship between autotrophic organisms

exchange of genetic material between two organisms

passage of food (and thus energy) from one organism to another

modern entrepreneur establishment providing food outlets

Trophic dynamics represents the transfer of energy from one trophic level to another in a food chain

In deeper parts of oceans, primary production remains almost nil

The primary consumers are called autotrophs

The decomposers are called saprotrophs

$\displaystyle 1$ and $\displaystyle 2$ only

$\displaystyle 1$, $\displaystyle 2$ and $\displaystyle 3$

$\displaystyle 2$ and $\displaystyle 4$ only

$\displaystyle 1$, $\displaystyle 3$ and $\displaystyle 4$

They are non-biodegradable

They do not get released into water and food

They do not have any biochemical synthesis activity.

They are harmless to humans.

Woollen mat

Silver foil

Leather bag

Jute basket

Thermal power plants

Food processing units

Textile mills

Paper mills

Long winter nights

Formation of an ‘inversion lid’

Presence of many air pollutant resources

Rapid fall in temperature with increasing height above the sea level

Nerium

Neem

Bougainvillea

Calotropis

A-$\displaystyle 4$, B-$\displaystyle 3$, C-$\displaystyle 1$, D-$\displaystyle 2$

A-$\displaystyle 4$, B-$\displaystyle 1$, C-$\displaystyle 3$, D-$\displaystyle 2$

A-$\displaystyle 2$, B-$\displaystyle 1$, C-$\displaystyle 3$, D-$\displaystyle 4$

A-$\displaystyle 2$, B-$\displaystyle 3$, C-$\displaystyle 1$, D-$\displaystyle 4$

Geographical diversity

Zoological diversity

Ecological diversity

Biological diversity