What does ISRO stand for?

• Indian Satellite Research Organization

• International Space Research Organization

• Indian Space Research Organisation

• Indian Science Research Organization

Answer explanation

ISRO stands for Indian Space Research Organisation, which is the correct choice. The other options incorrectly describe the organization, which focuses on space exploration and satellite development in India.

In which year was ISRO established?

• 1969

• 1975

• 1982

• 1990

Answer explanation

ISRO, the Indian Space Research Organisation, was established in 1969. This year marks the beginning of India's space program, making 1969 the correct answer.

Who is known as the father of the Indian space program?

• Dr. Abdul Kalam

• Rakesh Sharma

• Vikram Sarabhai

• 1. Satish Dhawan

Answer explanation

Vikram Sarabhai is recognized as the father of the Indian space program for his pivotal role in establishing the Indian Space Research Organisation (ISRO) and promoting space science and technology in India.

​ In which year did India launch its first satellite Aryabhatta?

Answer explanation

India launched its first satellite Aryabhata on 19 April 1975, marking the beginning of the country’s space journey.

Which Indian rocket is nicknamed the “Workhorse of ISRO”?

• Geosynchronous Satellite Launch Vehicle (GSLV)
• Polar Satellite Launch Vehicle (PSLV)
• Satellite Launch Vehicle (SLV)
• Launch Vehicle Mark-3 (LVM-3)

Answer explanation

The Polar Satellite Launch Vehicle (PSLV) is called ISRO’s “Workhorse” because it has successfully launched hundreds of satellites for India and other countries since 1994.

The study of stars, planets, and galaxies is called

Which planet spins backwards compared to most others in the Solar System?

• Saturn
• Jupiter
• Mars
• Venus

Answer explanation

Venus rotates in the opposite (retrograde) direction to most planets, meaning the Sun rises in the west and sets in the east there.

Which celestial body is known as the Red Planet?

• Saturn

• Jupiter

• Mars

• Earth

Answer explanation

Mars is called the Red Planet because its surface is rich in iron oxide (rust), giving it a reddish appearance.

Which mission was the first to land humans on the Moon?

• Mercury-Redstone 3

• Apollo 13

• Gemini 8

• Apollo 11

Answer explanation

Apollo 11 (1969) was the first mission to land humans on the Moon, with Neil Armstrong and Buzz Aldrin walking on its surface.

What is the name of the first Indian woman to go to space?

• Rakesh Sharma

• Sunita Williams

• Sally Ride

• Kalpana Chawla

Answer explanation

Kalpana Chawla became the first Indian-born woman in space when she flew on NASA’s Space Shuttle Columbia in 1997.