Role of IT in EVS

_______________ gather information about an object without actually coming in contact with it.

• REMOTE SENSING

• DATABASE

• GEOGRAPHICAL INFORMATION SYSTEM

• SATELLITE DATA

______________ collection of inter-related data on various subjects.

__________ is a technique of superimposing various thematic maps using digital data on a large number of inter-related aspects

• GIS

• database

• satellite data

• remote sensing

how is kerala backwater monitored ?

• IRS (Indian Remote Sensing)

• The Indian National Satellite (INSAT) system

• GSAT (Geostationary Satellite)

• GIS

Why is Ocean Colour Monitor is used by IRS ?

• to study phytoplanktons

• to determine depth of sea

• to identify fishery zones

• to search for oil

__________ works for coding, storage, retrieval and analysis of nation wide air emission data.

• NEDS

• ENVIS

• OCM

• NMIS

Applications of database

(choose all the correct answers applicable )

• The Ministry of Environment and Forest

• National Management Information System (NMIS)

• Environmental Information System (ENVIS)

• National Emission Data System (NEDS)

satellite data can used to find information on

• forest-cover

• weather forecast

• ozone layer depletion

• reserves of oil

full form of WWW

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