Space Science and Satellite Technology MCQs

1. What is the primary purpose of artificial satellites?
(A) To orbit other planets
(B) To perform specific tasks like communication, weather monitoring, and navigation
(C) To observe other galaxies
(D) To generate solar energy

2. Which layer of Earth’s atmosphere is most satellites placed in?
(A) Troposphere
(B) Stratosphere
(C) Mesosphere
(D) Thermosphere

3. What force keeps a satellite in orbit around Earth?
(A) Electromagnetic force
(B) Nuclear force
(C) Gravitational force
(D) Mechanical force

4. Which was the first artificial satellite launched into space?
(A) Apollo 11
(B) Explorer 1
(C) Sputnik 1
(D) Voyager 1

5. What is the function of a geostationary satellite?
(A) Remain fixed over one point on the Earth's equator
(B) Circle the poles
(C) Orbit Earth randomly
(D) Crash into meteorites

6. Which device is essential for a satellite to maintain its position and orientation in space?
(A) Solar panel
(B) Gyroscope
(C) Antenna
(D) Heat shield

7. Which country launched the first human into space?
(A) USA
(B) Germany
(C) China
(D) USSR

8. What is the name of the satellite-based navigation system developed by the United States?
(A) GLONASS
(B) Galileo
(C) GPS
(D) IRNSS

9. Which component on a satellite collects solar energy?
(A) Solar panel
(B) Receiver
(C) Thruster
(D) Heat sink