General Awareness · Science General

ISRO Missions and Satellites

1,830 Questions

ISRO missions and satellites form a vital part of the general awareness syllabus in government exams. This includes historical milestones like Chandrayaan, Mangalyaan, and communication satellites. Attempt these questions to memorize launch dates, objectives, and key figures in Indian space exploration.

Chandrayaan missionsMangalyaan orbitSolar exploration missionsIndian astronautsMeteorological satellites

ISRO Missions and Satellites Questions

Multiple choice
  1. solid

  2. liquid (mono)

  3. hybrid

  4. liquid (bi)

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The first stage (PS1) of PSLV uses a solid propellant motor (S139) based on HTPB composite propellant, not liquid or hybrid systems. Subsequent stages use liquid propulsion.

Multiple choice
  1. Intelsat - 1

  2. INSAT - 11

  3. INSAT - 1V

  4. Connect - 4

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Intelsat-1 (nicknamed 'Early Bird') was the first commercial communication satellite, launched in 1965. It provided the first regular transatlantic satellite communication service. INSAT satellites are Indian communication satellites that came much later.

Multiple choice
  1. Rohini

  2. Bhaskara-I

  3. Aryabhatta

  4. INSAT-1A

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Aryabhatta was India's first satellite launched into orbit on April 19, 1975. It was named after the ancient Indian mathematician-astronomer Aryabhata. The satellite was built by ISRO and launched by the Soviet Union. Rohini was launched later (1980s), Bhaskara-I was an experimental satellite (1979), and INSAT-1A was a communications satellite (1982).

Multiple choice
  1. Chandrayaan-1

  2. Chandra-1

  3. Chandni-1

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chandrayaan-1 was India's first unmanned lunar mission, launched by ISRO in October 2008. It successfully orbited the Moon and detected water molecules on the lunar surface.

Multiple choice
  1. Polar Satellite Launch Vehicle

  2. Polar Satellite Land Vehicle

  3. Polar Sun Launch Vehicle

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

PSLV stands for Polar Satellite Launch Vehicle, ISRO's work-horse rocket for launching satellites into polar orbits. It has been one of the most reliable launch vehicles globally.

Multiple choice
  1. Sriharikota

  2. Jiuquan Satellite Launch Center

  3. Christmas Island

  4. Mid-Atlantic Regional Spaceport

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chandrayaan-1 was launched from Sriharikota (SDSC SHAR), India's primary spaceport located in Andhra Pradesh. This is the main launch center for ISRO.

Multiple choice
  1. Five payloads from India

  2. Six payloads from Europe, Bulgaria and the US

  3. Both (1) and (2)

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

PSLV-C11 carried Chandrayaan-1, which had 11 payloads total: 5 from India and 6 from international sources including Europe, Bulgaria, and the US. Therefore, both statements are correct.

Multiple choice
  1. A robotic rover designed to land on lunar surface

  2. A robot designed to research lunar surface

  3. Both (1) and (2)

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chandrayaan-II featured a robotic rover (Pragyan) designed to land on the lunar surface and conduct scientific experiments. Option A correctly states this feature. The rover was part of the mission's lander component (Vikram).

Multiple choice
  1. 2014

  2. 2015

  3. 2016

  4. 2013

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

ISRO had announced plans for Chandrayaan-2 to be launched in 2013, though the mission was subsequently delayed multiple times and actually launched in 2019. Given the timeframe of this question, 2013 was the expected launch year when announced.