Discussion

Match List-I and List-II and select the correct answer by using the codes given below :

List I (Satellite)	List II (Major Application)
(a) ASTER	(1) Used for cartographic application, urban, rural and coastal land use and other land information system
(b) MODIS	(2) High resolution commercial satellite used for land use studies, natural resource, disaster management etc.
(c) Cartosat	(3) High resolution multi-spectral stereo images for digital terrain model, change detection of land surfaces
(d) IKONOS	(4) Used for large scale global cloud cover, radiation budget and oceanic studies

Codes : (a) (b) (c) (d)

Answer: D

The correct matching is (3) (4) (1) (2).

ASTER, on NASA's Terra satellite, records multispectral images with along-track stereo, widely used for digital elevation models and land surface change.
MODIS, on Terra and Aqua, images the whole Earth every one to two days for global cloud cover, radiation budget and ocean studies.
Cartosat, India's stereo mapping satellite series, is designed for cartographic applications and land information systems.
IKONOS, launched in 1999, was the first high-resolution commercial imaging satellite.

Option A gives ASTER the cartographic role of Cartosat, and options B and C misplace MODIS.

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