Comprehensive Review of Railway Group D Third‑Shift Exam (9 January 2025) and Related Current Affairs

Introduction

The video provides a complete, 100 % accurate solution set for the Railway Group D third‑shift exam held on 9 January 2025. It also offers updates on various current‑affairs topics that appeared in the paper and guidance on how to stay updated via the channel.

Exam Overview

• Target audience: Candidates of Railway Group D (third shift).
• Format: Multiple‑choice questions covering general knowledge, current affairs, science, economics, and sports.
• Study tip: Subscribe to the channel and enable the bell icon for real‑time updates.

Key Questions & Correct Answers

1. Awards & Honours

• Padma Vibhushan 2025: Justice Jagdish Singh Khehar (Option B).
• IMF Executive Director (2025): Urjit Patel (Option A).
• BCCI Awards 2025: Women’s best international cricketer – Smriti Mandanna (Option C).
• PC Chandrashekhar Award 2025: Honoured tennis legend Leander Paes (Option C).
• FIFA Best Male Player 2024: Vinícius Júnior (Option C).
• FIFA Best Female Player 2024: Aitana Bonmati (Barcelona) – mentioned for reference.

2. Human Development Index (HDI)

• India’s rank 2025: 130th out of 193 countries (Option B).
• HDI score: 0.685 – places India in the Medium Human Development category.
• Life expectancy: 2022 – 67.7 years; 1990 – 58.6 years; 2023 – 72 years.

3. International Summits

• NATO summit June 2025: Held in The Hague, Netherlands (Option C). Main decision – raise defence spending to 5 % of GDP by 2035; chaired by former Dutch PM Mark Rutte.
• Next NATO summit: Scheduled for Turkey.

4. Physics & Chemistry

• Kinetic energy: (E_k = \frac{1}{2}mv^{2}); scalar quantity (Option B). Wrong statement – it is a vector (Option A).
• Convex mirror image: Forms at the focus, virtual, erect, highly diminished (Option B).
• Concave mirror with object at focus: Image at infinity, highly enlarged, real and inverted (Option C).
• NaOH: Strong base, pH > 7 (≈13–14). Correct statement – it is a strong alkali (Option A).
• Electrical potential formula: (V = \frac{W}{Q}) (Option B). Units – volts (J C⁻¹).
• Gravitational constant (G) SI unit: N·m²·kg⁻² (Option B). Experimentally measured by Henry Cavendish (1798); value ≈ 6.674 × 10⁻¹¹ N·m²·kg⁻².
• Aluminium oxide formula: Al₂O₃ (Option C).
• Liquid properties: Fixed volume, indefinite shape (Option C).
• Non‑biodegradable substance: Plastic (Option C).
• Metal‑non‑metal reaction: Electron transfer → ionic bond (Option B).
• Acid‑base neutralisation: Produces salt + water (Option C).

5. Economics & Employment

• Unemployment rate (June 2025): 5.6 % (Option B). Same for May 2025.
• Urban unemployment (June 2025): 18.8 %; Rural – 4.9 %; Youth (15‑29 yr) – 15.3 %.
• NACH 3.0 (EMI processing): Launched by NPCI in July 2025 (Option D).

6. Space & Astronomy

• NISAR satellite: Joint NASA‑ISRO Earth‑observation mission; dual‑frequency (L‑ and S‑band) radar; maps entire globe every 12 days; applications – disaster management, agriculture, climate studies (Option C).
• India’s first Dark‑Sky Reserve: Hanle, Ladakh (within Changthang Wildlife Sanctuary) at ~4500 m altitude (Option B).

7. Sports & Events

• 71st Senior National Men’s Kabaddi Championship 2025: Held in Cuttack, Odisha (J.N. Indoor Stadium), 20‑23 Feb. Winners – Services (captain Naveen Kumar); runners‑up – Railways.
• Khelo India Multi‑Purpose Hall (May 2025): Inaugurated in Raga, Kamle district, Arunachal Pradesh by Sports Minister Dr Manas Manda (Option B). Cost – ₹8 crore; aims to strengthen grassroots sports in the Northeast.

8. Biology & Botany

• Plant reproductive parts that wither after fertilisation: Petals, sepals, stamens, pistils (Option D – “All of the above”).
• Onion epidermal cell observation: Cells show nucleus, cell wall, vacuole – confirming the tissue is living (Option A).

9. Miscellaneous

• Inertia‑mass relationship: Directly proportional – more mass → more inertia (Option A).
• Compounds definition: Chemically bonded elements in fixed ratios (Option B).
• Gravitational constant unit: N·m²·kg⁻² (Option B).
• Meethi River desilting scam investigation: Conducted by Enforcement Directorate (ED) and Mumbai Police Economic Offences Wing (Option B).

Study Tips & Resources

• Submit clear questions on the Telegram channel "Study for You 450" for detailed analysis.
• Avoid vague or poorly typed queries; precise wording yields accurate solutions.
• Regularly watch the channel for updated question banks and explanations.

Conclusion

The video equips Railway Group D aspirants with exact answers to every question asked in the 9 January 2025 third‑shift exam, spanning awards, HDI data, international summits, core physics‑chemistry concepts, economic indicators, space missions, sports events, and more. By following the channel’s subscription and Telegram resources, candidates can stay ahead of the syllabus and avoid missing any crucial updates.

Mastering the detailed answer key and the accompanying current‑affairs facts presented here eliminates the need to watch the original video—candidates can rely on this comprehensive article for focused, exam‑ready preparation.