Earth Observation Satellite MCQ — 101 Practice Questions with Answers

Explanation

ISRO listed EOS-09 with a Synthetic Aperture Radar payload, 1696.24 kg launch mass and a five-year mission life. The optical-imaging and ocean-colour payload choices replace the listed SAR payload with different Earth-observation payload types, while the 1515 kg and seven-year figures do not match the stated EOS-09 particulars.

Explanation

Statement 1 is correct because ISRO records RISAT-2 with a launch mass of 300 kg. Statement 3 is also correct because its application category is Earth Observation. Statement 2 is wrong because the recorded orbit type is SSPO, not GTO. Therefore the correct combination is the one containing statements 1 and 3 only.

Explanation

ISRO gives EOS-08 a mass of approximately 175.5 kg and power generation of about 420 W. The pair with 320 W understates the power, the pair with 275.5 kg overstates the mass, and the pair with 520 W overstates the power.

Explanation

The correctly matched set is 15 Feb 2017, 714 kg, SSPO, and Earth Observation. The 712 kg mass belongs to a different Cartosat-2 Series entry, 23 Jun 2017 is not the cited launch date for this 714 kg record, and LEO with Disaster Management System and Earth Observation is not the recorded combination for this Cartosat-2 Series Satellite.

Explanation

ISRO records RISAT-2BR1 with a launch mass of 628 kg, orbit type LEO, and the application category Disaster Management System and Earth Observation. The 615 kg description belongs to RISAT-2B, the 710 kg SSPO description fits a Cartosat-2 Series entry, and SSPO with only Disaster Management System does not match the cited RISAT-2BR1 record.