Science & Technology MCQs

INS Vikrant was designed by the Indian Navy's Directorate of Naval Design and built by Cochin Shipyard Limited (CSL) in Kochi, Kerala.

INS Vikrant is India's first indigenously designed and built aircraft carrier, marking a significant milestone in the nation's self-reliance in defense manufacturing.

Mobility testing on lunar regolith simulant ensures that the rover wheels can traverse the loose, dusty surface of the Moon without getting stuck.

Radioisotope Heating Units are being explored to provide thermal energy to rover components during the freezing lunar night.

AI-based navigation allows rovers to identify terrain hazards and plan paths independently, reducing reliance on real-time ground commands.

The mission is planned with a five-module configuration to handle the complex docking and sample return operations.

ISRO plans to use the LVM3 (Launch Vehicle Mark-3) for the Chandrayaan-4 mission due to its heavy-lift capability.

Chandrayaan-4 is designed as a sample return mission, aiming to collect lunar soil samples and bring them back to Earth.

Only three nations (USA, Russia/Soviet Union, China) have successfully conducted lunar sample return missions to date. A successful Chandrayaan-4 mission would make India the fourth nation to achieve this complex feat, marking a major milestone in its space program.

A lunar sample return mission typically requires a complex architecture including a system to collect samples from the lunar surface, an ascent vehicle to launch the samples from the Moon, and an Earth return module to bring the samples safely back through Earth's atmosphere.