Q1. In the context of the U.S.-led Pax Silica initiative which India joined in 2026, the term 'silicon stack' is best described as which of the following?
- A. The integrated value chain spanning critical minerals, energy inputs, semiconductor fabrication, AI infrastructure and logistics
- B. The layered architecture of silicon-based photovoltaic cells used in solar energy storage
- C. A standardised software stack for open-source RISC-V chip design adopted by trusted partners
- D. The export-control classification list governing dual-use silicon wafer technologies