Find the current affairs quiz 20 April 2026 by Exam Charcha.
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Current Affairs Quiz – 20 April 2026 (Test Now)
1. AMOC stands for Atlantic Meridional Overturning Circulation. It is driven by which two factors?
A) Wind speed and atmospheric pressure
B) Temperature and salinity (thermohaline circulation)
C) Tidal forces and Earth’s rotation
D) Solar radiation and ocean depth
Show Answer
Correct Answer: (B) Temperature and salinity (thermohaline circulation)
2. AMOC moves warm surface water northward and cold deep water southward. What process causes warm saline water to sink in the North Atlantic?
A) Solar heating reduces water density
B) Cooling and high salinity make water denser, causing downwelling
C) Wind-driven mixing pushes water downward
D) Tidal forces pull water deeper
Show Answer
Correct Answer: (B) Cooling and high salinity make water denser, causing downwelling
3. What percentage of the observed AMOC weakening is linked to western boundary currents?
A) ~40%
B) ~60%
C) ~75%
D) ~90%
Show Answer
Correct Answer: (D) ~90%
4. The melting of which ice sheet is the primary cause of freshwater influx weakening AMOC?
A) Antarctic Ice Sheet
B) Arctic Sea Ice
C) Greenland Ice Sheet
D) Tibetan Glaciers
Show Answer
Correct Answer: (C) Greenland Ice Sheet
5. A potential AMOC collapse could release how many gigatonnes of CO2?
A) 10–20 gigatonnes
B) 25–45 gigatonnes
C) 47–83 gigatonnes
D) 100–150 gigatonnes
Show Answer
Correct Answer: (C) 47–83 gigatonnes
6. If AMOC collapses, the Southern Ocean could shift from being a carbon sink to:
A) A more efficient carbon absorber
B) A carbon source (releasing CO2)
C) A neutral carbon reservoir
D) An oxygen-depleted dead zone
Show Answer
Correct Answer: (B) A carbon source (releasing CO2)
7. The AI Governance and Economic Group (AIGEG) was constituted under which ministry?
A) Ministry of Science and Technology
B) Ministry of Electronics and Information Technology (MeitY)
C) NITI Aayog
D) Ministry of Finance
Show Answer
Correct Answer: (B) Ministry of Electronics and Information Technology (MeitY)
8. AIGEG adopts a ‘Whole-of-Government Model’. This approach primarily aims to:
A) Centralise all AI regulation in one ministry
B) Avoid fragmented AI regulation by coordinating across ministries, regulators and
institutions
C) Follow only private sector AI standards
D) Prioritise national security over all other AI considerations
Show Answer
Correct Answer: (B) Avoid fragmented AI regulation by coordinating across ministries, regulators and institutions
9. India’s AI Governance Framework unveiled at the AI Impact Summit 2026 follows which type of approach?
A) Strict rule-heavy regulatory model
B) Principle-based approach (Sutras)
C) Technology-neutral framework
D) Sector-specific regulation
Correct Answer: (B) Principle-based approach (Sutras)
Show Answer
10. The advisory body supporting AIGEG that provides global best practices and regulatory inputs is called:
A) AI Policy Review Board
B) Digital Governance Advisory Council
C) Technology and Policy Expert Committee (TPEC)
D) National AI Regulatory Authority
Show Answer
Correct Answer: (C) Technology and Policy Expert Committee (TPEC)
11. India’s AI Governance Framework aims to prevent ‘market concentration in a few firms’. Which of the seven Sutras (principles) most directly relates to this?
A) Trust is the Foundation
B) Fairness & Equity
C) Innovation over Restraint
D) Accountability
Correct Answer: (B) Fairness & Equity
Show Answer
12. India’s patent filings rose by 30.2% to how many in FY 2025–26?
A) 85,000
B) 1.10 lakh
C) 1.43 lakh
D) 1.75 lakh
Show Answer
Correct Answer: (C) 1.43 lakh
13. India is currently the how-many-th largest patent filer globally?
A) 4th
B) 5th
C) 6th
D) 8th
Show Answer
Correct Answer: (C) 6th
14. Approximately what percentage of India’s patent applications are filed domestically, reflecting indigenous R&D growth?
A) 35%
B) 52%
C) ~69%
D) 82%
Show Answer
Correct Answer: (C) ~69%
15. Under the Patents Act, 1970, a patent is valid for how many years from the date of filing?
A) 10 years
B) 15 years
C) 20 years
D) 25 years
Show Answer
Correct Answer: (C) 20 years
16. Which of the following is NOT a criterion for patentability under Indian patent law?
A) Novelty
B) Inventive step (non-obvious)
C) Industrial applicability
D) Commercial profitability
Correct Answer: (D) Commercial profitability
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17.Under India’s Patents Act, a ‘pre-grant opposition’ can be filed by:
A) Only interested commercial parties
B) Only the patent applicant
C) Any person
D) Only research institutions
Show Answer
Correct Answer: (C) Any person
18. The National Cadet Corps (NCC) was established under which Act in 1948?
A) Defence Forces Act, 1947
B) NCC Act, 1948
C) National Security Act, 1948
D) Youth Services Act, 1948
Show Answer
Correct Answer: (B) NCC Act, 1948
19. The NCC was established based on the recommendations of which committee?
A) Kher Committee
B) H.N. Kunzru Committee
C) Mudaliar Committee
D) Balwant Rai Mehta Committee
Show Answer
Correct Answer: (B) H.N. Kunzru Committee
20. NCC is recognised as the world’s largest:
A) Youth voluntary programme
B) Uniformed youth organisation
C) Defence training organisation
D) Scout and guide movement
Show Answer
Correct Answer: (B) Uniformed youth organisation
21. The NCC’s new Cyber Security Capacity Building Programme was launched in collaboration with which institute?
A) IIT Delhi
B) National Institute of Electronics and Information Technology (NIELIT)
C) Centre for Development of Advanced Computing (C-DAC)
D) Indian Institute of Information Technology (IIIT)
Correct Answer:(B) National Institute of Electronics and Information Technology (NIELIT)
22. Scarborough Shoal is located approximately how many nautical miles from China’s nearest coastline?
A) ~120 nautical miles
B) ~250 nautical miles
C) ~470 nautical miles
D) ~600 nautical miles
Show Answer
Correct Answer : (C) ~470 nautical miles
23. The Philippines’ claim over Scarborough Shoal is based on which legal framework?
A) Historical fishing rights predating UNCLOS
B) 200 nautical mile EEZ under UNCLOS
C) Continental shelf extension rights
D) Bilateral treaty with the United States
Show Answer
Correct Answer : (B) 200 nautical mile EEZ under UNCLOS
24. China’s claim over most of the South China Sea, including Scarborough Shoal, is based on which historical claim?
A) Five-Dash Line
B) Seven-Dash Line
C) Nine-Dash Line
D) Eleven-Dash Line
Show Answer
Correct Answer: (C) Nine-Dash Line
25.In 2016, the Permanent Court of Arbitration ruled on the South China Sea dispute. What was its verdict regarding China’s Nine-Dash Line?
A) Upheld China’s historical rights within the Nine-Dash Line
B) Awarded joint sovereignty to China and Philippines
C) Rejected China’s Nine-Dash Line claims and declared Chinese actions unlawful
D) Referred the matter back to UNCLOS tribunal
Show Answer
Correct Answer: (C) Rejected China’s Nine-Dash Line claims and declared Chinese actions unlawful
26. The South China Sea handles approximately what fraction of global maritime trade?
A) ~1/10th
B) ~1/5th
C) ~1/3rd
D) ~1/2
Show Answer
Correct Answer: (C) ~1/3rd
27. What is the Chinese name for Scarborough Shoal?
A) Spratly Island
B) Paracel Island
C) Huangyan Island
D) Nansha Island
Show Answer
Correct Answer: (C) Huangyan Island
28. India’s R&D expenditure is approximately what percentage of GDP, which is considered low compared to global leaders?
A) ~0.3%
B) ~0.7%
C) ~1.2%
D) ~2.0%
Show Answer
Correct Answer: (B) ~0.7%
29. The NCC motto ‘Unity and Discipline’ reflects its mission to build character among youth. NCC operates under which ministry?
A) Ministry of Home Affairs
B) Ministry of Youth Affairs and Sports
C) Ministry of Defence
D) Ministry of Education
Show Answer
Correct Answer: (C) Ministry of Defence
30. In the context of AMOC, ‘thermohaline circulation’ refers to ocean circulation driven by which two factors?
A) Temperature and wind speed
B) Temperature and salinity
C) Salinity and tidal forces
D) Wind and Earth’s rotation
Show Answer
Correct Answer: (B) Temperature and salinity
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20 April 2026 Current Affairs