With reference to "Astrosat", the astronomical observatory launched by India, which of the following statements is/are correct?

1. Other than the USA and Russia, India is the only country to have launched a similar observatory into space.
2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.

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With reference to the Indian Regional Navigation Satellite System (IRNSS), consider the following statements.

1. IRNSS has three satellites in geostationary and four satellites in geosynchronous orbits.
2. IRNSS covers entire India and about 5500 sq. km beyond its borders.
3. India will have its own satellite navigation system with full global coverage by the middle of 2019.

Which of the statements given above is/are correct?

In which of the following areas can GPS technology be used?

1. Mobile phone operations.
2. Banking operations.
3. Controlling the power grids.

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In which of the following activities are Indian Remote Sensing (IRS) satellites used?
1. Assessment of crop productivity.
2. Locating groundwater resources.
3. Mineral exploration.
4. Telecommunications
5. Traffic studies.
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Consider the following statements:

The Mangalyaan launched by ISRO
1. Is also called the Mars Orbiter Mission.
2. Made India the second country to have a spacecraft orbit the Mars after the USA.
3. Made India the only country to be successful in making its spacecraft orbit the Mars in its very first attempt.

Which of the statements given above is/are correct?

For the measurement/estimation of which of the following are satellite images/remote sensing data used?

1. Chlorophyll content in the vegetation of a specific location.
2. Greenhouse gas emissions from rice paddies of a specific location.
3. Land surface temperatures of a specific location.

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