Mineral Resources — MCQ Practice
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.
A deposit contains one million tonnes of ore at 1% metal grade. If 80% of the contained metal is recovered, what is the recovered metal quantity?
Why can a mineral reserve estimate increase even while extraction continues?
A reserves-to-annual-production ratio equals twenty. What can reasonably be concluded?
A country has identified a critical-mineral resource but imports most refined material. Which explanation is most plausible without contradicting the discovery?
The January 2025 NCMM approval distinguished ₹16,300 crore expenditure from ₹18,000 crore expected investment by PSUs and others. Which reading preserves that distinction?