Environment Gk interview questions

Global warming is caused due to the emission of

1. Hydrocarbon
2. Carbon monoxide
3. Carbon dioxide
4. Nitrogen

Which of the following is designated as the “lungs of the world”?

1. Equatorial evergreen forests
2. Taiga forests
3. Mid-latitudes mixed forests
4. Mangrove forests

The maximum biodiversity is found in

1. Arctic forests
2. Tropical rain forests
3. Temperate forests
4. Coniferous forests

Among the biotic components of the ecosystem the producer system is

1. Green plants
2. Tiger
3. Cow
4. Peacock

The Ozone layer restricts

1. Ultraviolet radiation
2. X-rays and Gamma rays
3. Infrared radiation
4. Visible light

What term denotes the organisms getting their food from others?

1. Autotrophs
2. Heterotrophs
3. Synthesizers
4. Producers

Which of the following components of ecosystem acts as intermediatory between biotic and abiotic components?

1. Habitat
2. Decomposer
3. Consumer
4. Producer

Which one of the following adopted “Agenda 21”?

1. Kyoto Protocol
2. Montreal Protocol
3. Summit on Sustainable Development
4. First Earth Summit

The greenhouse effect is mostly caused by

1. Ozone layer
2. Moisture in the atmosphere
3. Infra red radiation
4. Carbon dioxide in the atmosphere

Which one of the following trees is considered to be an environmental hazard?

1. Eucalyptus
2. Babool
3. Neem
4. Amaltas

Which one of the following is important strategy for the conservation of biodiversity?

1. Wild Life Sanctuaries
2. National Parks
3. Botanical Gardens
4. Biosphere Reserves

The concept of ecological niche was first introduced by

1. G.E. Hutchinson
2. J.Grinnell
3. E.P. Odum
4. C.C. Park

The National Environment Research Institute is locate at

1. Dehradun
2. New Delhi
3. Jaipur
4. Nagpur

Which one of the following ecosystems is known as the ‘Land of Big Games’?

1. Prairie
2. Taiga
3. Savannah
4. Selvas

Biotic component of the environment does not include

1. Micro-organism system
2. Plant system
3. Animal system
4. Soil system

Mangrove forests in Asia are largely concentrated in

1. Philippines
2. Indonesia
3. Malaysia
4. India

The term ‘ecosystem’ was enunciated by

1. A.G. Tansley
2. E.P. Odum
3. G. Mendal
4. C.C. Park

Lichens are the best indicator of

1. Noise pollution
2. Soil pollution
3. Water pollution
4. Air pollution

The author of Green Development is

1. M.J. Bradshaw
2. M. Nicolson
3. W.M. Adams
4. R.H. Whittaker

Solar radiation plays the most important role in the

1. Water cycle
2. Nitrogen cycle
3. Carbon cycle
4. Oxygen cycle

Which one of the following is related to ozone formation?

1. Photosynthesis process
2. Photochemical process
3. Chemosynthesis process
4. Hydrolysis process

The word ‘Ecology’ was coined in 1866 by

1. Ernst Haeckel
2. Charles Darwin
3. Robert Whittaker
4. Arthur Tansley

Which one of the following energy is most utilized in biomass?

1. Tidal energy 
2. Geothermal energy
3. Solar energy
4. Atomic energy

Which one of the following is a part of Geological cycle?

1. Hydrological cycle
2. Nitrogen cycle
3. Hydrogen cycle
4. Carbon cycle

An artificial ecosystem is represented by

1. Aquarium
2. Agriculture land
3. Pisciculture tank
4. Zoo

Acid rain is caused due to air pollution by

1. Nitrous oxide and sulphur dioxide
2. Carbon dioxide
3. Carbon monoxide
4. Methane

Which of the following is not a water pollutant?

1. Sulphur dioxide
2. Zinc
3. Copper
4. Nickel

Which of the following is not helpful in maintaining ecological stability?

1. Ecosystem diversity
2. Homeostatic mechanism
3. Ecosystem complexity
4. Ecosystem uniformity

In ecosystem, a stable biogroup is called

1. Succession
2. Seral
3. Climax
4. Ecotone

The loss of biodiversity is due to

1. Destruction of forests
2. Environmental pollution
3. The destruction of natural bahitats of organism
4. All of the above