1. With reference to Parrot Bornavirus 4 (PaBV-4), consider the following statements:

1. It is an enveloped single-stranded RNA virus.
2. It belongs to the genus Orthobornavirus.
3. It causes Proventricular Dilatation Disease (PDD) in psittacine birds.
4. It primarily infects poultry such as chickens and ducks.

How many of the above statements are correct?

• Only one
• Only two
• Only three
• All four

2. The NeoSep1 Clinical Trial primarily aims to:

• Develop a vaccine against neonatal meningitis
• Identify effective antibiotic combinations for antimicrobial-resistant neonatal sepsis
• Eliminate antimicrobial resistance globally
• Develop rapid diagnostic kits for tuberculosis

3. With reference to the UN Global Dialogue on AI Governance, consider the following statements:

1. It was established under UNGA Resolution 79/325.
2. It follows the adoption of the Global Digital Compact (2024).
3. It seeks to balance AI innovation with safety, human rights and sustainable development.
4. It is exclusively meant for governments.

How many of the above statements are correct?

• Only one
• Only two
• Only three
• All four

4. With reference to secondary infertility, consider the following statements:

1. Pregnancy had been achieved previously.
2. It has become an emerging public health concern in India.
3. Male infertility is recognised as an important contributing factor.
4. It is caused exclusively by female reproductive disorders.

Which of the above are correct?

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

5. Consider the following features of India's first hydrogen-powered passenger train:

1. It uses regenerative braking.
2. The LFP battery provides additional power during acceleration.
3. Hydrogen is stored at 200–500 bar pressure.
4. The hydrogen fuelling station cools hydrogen to –15°C before refuelling.

Which of the above are correct?

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