1. With reference to 'CALM-Brain', recently in the news, consider the following statements:

1. It is India's first open-source digital repository for major psychiatric disorders.
2. It was launched through a collaboration between NIMHANS and NCBS-TIFR.
3. The repository focuses exclusively on adult male psychiatric data to understand disease onset.

Which of the statements given above are correct?

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

2. Regarding the National Housing Bank (NHB), which of the following statements is/are correct?

1. It is an All-India Financial Institution (AIFI) wholly owned by the Reserve Bank of India.
2. It supervises Housing Finance Companies (HFCs), while their regulation lies with the RBI.

Select the correct answer using the code given below:

• 1 only
• 2 only
• Both 1 and 2
• Neither 1 nor 2

3. The Preah Vihear Temple, a UNESCO World Heritage site, is built on a unique north-south axis representing which of the following?

• The flow of the Mekong River
• Mount Meru, the sacred center of the universe
• The path of the Sun during the Vernal Equinox
• The military victory of the Khmer over the Champa Kingdom

4. The Indian Army's recently operationalized 'Shaurya Squadrons' are designed to:

• Provide specialized cybersecurity for the Army's communication networks.
• Create a specialized mountain strike corps for high-altitude warfare.
• Integrate drone sub-units within armoured (tank) regiments to compress the 'sensor-to-shooter' cycle.
• Deploy underwater autonomous vehicles for coastal defense.

5. Consider the following statements regarding RNA (Ribonucleic Acid):

1. It contains the nitrogenous base Uracil instead of Thymine.
2. It is typically a double-stranded molecule used for long-term genetic storage.
3. exRNA survives outside cells by being packaged in extracellular vesicles (EVs) or protective proteins.

Which of the statements given above are correct?

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