General Awareness · Science General

ISRO Missions and Satellites

1,961 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. irredeemable

  2. incorrigible

  3. irreplaceable

  4. inveterate

  5. .

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

Something that cannot be replaced or is unique is called irreplaceable. This is the correct choice in the given context as the passage refers to the communications satellite which is unique and cannot be replaced.

Multiple choice
  1. are

  2. were

  3. was

  4. might be

  5. .

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

‘Was’ is the singular past tense of ‘be’. In this context ‘Mars Orbiter Mission’ is a singular subject, so the singular ‘was’ in past tense can be used.

Multiple choice
  1. in

  2. by

  3. at

  4. for

  5. .

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

The preposition ‘by’ identifies an agent performing an action. In this context the agent is a ‘successful and skilled Indian aerospace establishment’ and the action is the building of the Mars Orbiter Mission. Thus, ‘by’ is the correct answer.

Multiple choice
  1. out from

  2. out of

  3. out at

  4. out front

  5. .

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

The prepositional phrase ‘out of’ indicates the origin, source or cause of something. In this context, this is correct as the passage indicates the place from where the ‘aerospace establishment’ operated.

Multiple choice
  1. expended

  2. expanded

  3. unraveled

  4. hiked

  5. .

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

The verb ‘expand’ means to extend or increase in size or scope. This is the correct answer as the context refers to the possibilities of the country’s interplanetary program. This mission has increased the scope of the country’s space missions.

Multiple choice
  1. inaugural

  2. maiden

  3. primary

  4. prime

  5. .

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

The adjective 'maiden' indicates something that is tried for the first time. In the given context the spacecraft is placed in its first attempt. Thus, this is the correct answer choice.

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. Titan

  2. Sarovar

  3. Renuka

  4. Brinda

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

Titan, Saturn's largest moon, is the only satellite in our solar system proven to have a substantial atmosphere - primarily nitrogen with methane and other hydrocarbons. Its thick atmosphere is even denser than Earth's. No other moons have been confirmed to have significant atmospheres.

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. Interstellar Boundary Explorer Mission

  2. International Boundary Explorer Mission

  3. Indo-US Boundary Explorer Mission

  4. None of these

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

IBEX stands for Interstellar Boundary Explorer Mission, a NASA satellite designed to study the boundary between our solar system and interstellar space.

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.