Chandrayaan 3 GK Questions and Answers
51. What role does ISRO’s ‘Deep Space Network’ play in the Chandrayaan missions?
A) Launching the spacecraft
B) Housing the astronauts
C) Communicating with the spacecraft
D) Manufacturing spacecraft components
C) Communicating with the spacecraft
Explanation: ISRO’s Deep Space Network is crucial for communicating with spacecraft on interplanetary missions, including Chandrayaan-3.
52. In which Indian state is the primary launch site for ISRO’s space missions located?
A) Maharashtra
B) Karnataka
C) Andhra Pradesh
D) Kerala
C) Andhra Pradesh
Explanation: The primary launch site for ISRO is the Satish Dhawan Space Centre, located on Sriharikota Island in Andhra Pradesh.
53. The discovery of what on the Moon’s poles has sparked interest in potential lunar colonisation?
A) Gold
B) Water ice
C) Rare Earth metals
D) Helium
B) Water ice
Explanation: The discovery of water ice at the lunar poles is significant because it could be used to support future lunar missions and even potential colonization.
54. Which one of the following is Chandrayaan-3’s launch vehicle expected to be?
A) LVM3 M4
B) GSLV Mk III
C) GSLV Mk II
D) RLV-TD
A) LVM3 M4
Explanation: The LVM3 M4 (formerly known as GSLV Mk III) is the launch vehicle designated for Chandrayaan-3, capable of carrying heavy payloads to space.
55. Which of the following is a primary scientific instrument on the Chandrayaan-3 rover?
A) Solar sail
B) Lunar dust analyser
C) Deep space antenna
D) Alpha Particle X-Ray Spectrometer (APXS)
D) Alpha Particle X-Ray Spectrometer (APXS)
Explanation: The APXS is a scientific instrument on the rover used to analyze the composition of the Moon’s surface.
56. What is the expected weight of the Chandrayaan-3 lander?
A) 500 kg
B) 1,700 kg
C) 800 kg
D) 1,450 kg
B) 1,700 kg
Explanation: The Chandrayaan-3 lander, Vikram 2, is expected to weigh approximately 1,700 kg.
57. Which of these is a significant challenge faced by lunar rovers?
A) Intense gravity
B) Lunar night’s extreme cold
C) High atmospheric pressure
D) Strong winds
B) Lunar night’s extreme cold
Explanation: The extreme cold during the lunar night poses a significant challenge to lunar rovers, as they must survive without sunlight for power and heat.
58. Which previous Chandrayaan mission involved an impact probe?
A) Chandrayaan-1
B) Chandrayaan-2
C) Both
D) None
A) Chandrayaan-1
Explanation: Chandrayaan-1 included the Moon Impact Probe (MIP), which was deliberately crashed into the lunar surface to study ejecta.
59. Why is the presence of water on the Moon significant?
A) It’s good for tourism
B) It indicates the Moon has an atmosphere
C) It can be a potential resource for future lunar missions and habitation
D) It’s necessary for the Moon’s magnetic field
C) It can be a potential resource for future lunar missions and habitation
Explanation: Water on the Moon is significant because it can potentially be used for supporting future lunar missions and habitation. It can be converted into oxygen for breathing and hydrogen for rocket fuel, making it a valuable resource for extended stays and exploration.
60. On average, how long does a spacecraft travel from Earth to the Moon take?
A) 3 hours
B) 3 days
C) 30 days
D) 300 days
B) 3 days
Explanation: The average time it takes for a spacecraft to travel from Earth to the Moon is about 3 days. This timeframe has been consistent with various missions, including those from the Apollo program.