1. The principle of Special and Differential Treatment (S&DT) under the WTO primarily aims to:

• Provide equal obligations for all member states irrespective of development levels
• Offer flexibility and support to developing and least-developed countries in implementing trade agreements
• Restrict preferential market access for developing nations
• Enforce sanctions against non-compliant members

2. The Siphon-Powered Desalination system developed by IISc addresses which of the following limitations in traditional solar desalination systems?

1. Salt accumulation
2. Limited wicking height
3. High operational costs
4. Dependence on fossil fuels

Select the correct answer using the code given below:

• 1 and 2 only
• 1, 2, and 3 only
• 1, 2, and 4 only
• 1, 2, 3, and 4

3. The BSF–ISRO collaboration on radar-mounted drones aims primarily to:

• Replace satellite-based monitoring systems
• Conduct cross-border counter-terror operations
• Strengthen border surveillance without breaching international boundaries
• Replace human patrols with fully autonomous robots

4. The Maitri 2.0 programme recently launched by ICAR focuses primarily on:

• Bilateral defence production
• Agricultural innovation and cross-incubation between India and Brazil
• Joint space missions under BRICS
• Vaccine development cooperation

5. The Cold Desert Biosphere Reserve recently added to UNESCO’s WNBR is located in:

• Uttarakhand
• Sikkim
• Ladakh
• Himachal Pradesh