Science and Technology
2015
Space Technology India
In which of the following activities are Indian Remote Sensing (IRS) satellites used? Assessment of crop productivity Locating ground water resources Mineral exploration Telecommunications Traffic studies Select the correct answer using the code given below
D.1, 2, 3, 4 and 5
A.1, 2 and 3 only
C.1 and 2 only
B.4 and 5 only
Correct Answer: Option A
Indian Remote Sensing (IRS) satellites are primarily used for Earth observation and resource management.
IRS satellites are used in:
- Assessment of crop productivity: Monitoring crop health, acreage, and yield estimation.
- Locating groundwater resources: Identifying potential groundwater zones through geological and hydrological analysis.
- Mineral exploration: Mapping mineral deposits and geological formations.
IRS satellites are NOT typically used for:
- Telecommunications: Geostationary satellites are generally used for telecommunications.
- Traffic studies: Dedicated traffic monitoring systems are used for this purpose.
Therefore, statements 1, 2, and 3 are correct, while statements 4 and 5 are not.
Hence, the correct answer is A.
Sources:
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