14.04.2026

1. It is a joint venture of three Central Public Sector Enterprises under the Ministry of Mines.
2. Its primary mandate is to regulate domestic mining activities of strategic minerals in India.
3. It focuses on acquisition of overseas mineral assets such as Lithium and Cobalt.
4. NALCO holds the largest share among its promoters.

How many of the above statements are correct?

1. Vitamin D can be synthesized in the human body only in the presence of dietary fats.
2. Vitamin D plays a role in immune function and glucose metabolism apart from bone health.
3. Deficiency of Vitamin D in adults leads to rickets, while in children it leads to osteomalacia.
4. Excessive intake of Vitamin D can lead to kidney-related complications.

How many of the above statements are correct?

1. It is a region where Earth’s magnetic field is weaker, allowing charged particles to penetrate closer to the surface.
2. It occurs because the outer Van Allen radiation belt dips closest to Earth in this region.
3. It can interfere with satellite electronics and navigation systems.
4. It is located roughly between 5°–40° North latitude and 0°–80° East longitude.

Which of the statements given above are correct?