1. Consider the following objectives of the Beti Bachao Beti Padhao (BBBP) scheme:

1. Improve the Sex Ratio at Birth by two points annually.
2. Achieve 100% institutional deliveries across the country.
3. Promote safe menstrual hygiene management (MHM).
4. Ensure 100% enrollment of girls in higher education.

Which of the above are correct?

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

2. What is the significance of Thermal Barrier Coating (TBC) in DRDO’s scramjet program?

• Enhances the combustibility of scramjet fuels
• Provides insulation to the warhead of hypersonic missiles
• Enables combustion in rarefied atmospheric regions
• Protects engine surfaces from temperatures beyond steel’s melting point

3. What is the Eddington Limit in the context of black holes?

• The speed beyond which black holes emit radiation
• The age beyond which a black hole becomes dormant
• The theoretical limit where radiation pressure balances gravity during matter accretion
• The mass limit beyond which a black hole collapses into a neutron star

4. Which of the following institutions prepared the report on “Estimation and Measurement of India’s Digital Economy” (2025)?

• NITI Aayog
• Ministry of Finance
• Indian Council for Research on International Economic Relations (ICRIER)
• Reserve Bank of India

5. What type of orbit does Mission SCOT operate in, and why is it significant?

• Geostationary Orbit – for satellite TV broadcasting
• Highly Elliptical Orbit – for polar communications
• Medium Earth Orbit – for GNSS constellations
• Sun-Synchronous Orbit – for consistent Earth observations