11 Jun 2024: UPSC Exam Comprehensive News Analysis

11 June 2024 CNA
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TABLE OF CONTENTS

A. GS 1 Related
GEOGRAPHY
1. Heat: how it animates engines and global warming
2. Understand the Indian Ocean and you’ll understand much about earth
B. GS 2 Related
C. GS 3 Related
D. GS 4 Related
E. Editorials
INTERNATIONAL RELATIONS
1. From warp speed to reset, the state of India-U.S. ties
ENVIRONMENT
1. A push for more climate action
POLITY
1. On Special Category Status for Andhra
F. Prelims Facts
1. Why India needs a third aircraft carrier
2. PM Kisan Nidhi installment released to 9.3-cr. farmers
3. India welcomes Egypt, Iran, UAE, Saudi Arabia and Ethiopia joining BRICS
G. Tidbits
H. UPSC Prelims Practice Questions
I. UPSC Mains Practice Questions
FIP Magazine

2. Understand the Indian Ocean and you’ll understand much about earth

Syllabus: Important Geophysical Phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc., geographical features and their location – changes in critical geographical features (including water-bodies and ice-caps) and in flora and fauna and the effects of such changes.

Mains: Significance of Indian Ocean for world climate

Context​: The Indian Ocean, renowned for its dramatic monsoon winds and vital rains, is critical for understanding Earth’s climate system. It is among the fastest-warming oceans, influencing global heat distribution, marine ecosystems, and weather patterns. This ocean plays a pivotal role in controlling global warming and has historical significance in human evolution.

The Importance of the Indian Ocean

  • Monsoon Winds and Rain: The Indian Ocean’s monsoon winds bring essential rain to the Indian subcontinent, supporting over a billion people with water for drinking, agriculture, and energy production.
  • Warming Trends: Rapid warming of the Indian Ocean has severe consequences for regional heatwaves and rainfall patterns, impacting weather predictability and agricultural productivity.

Marine Ecosystems and Economic Significance

  • Marine Biodiversity: The warm waters support diverse marine life, including fisheries of anchovies, mackerel, sardines, and tuna, as well as tourism-attracting dolphins and whales.
  • Coral Reefs: The region’s coral reefs, from Lakshadweep to the Andaman-Nicobar Islands, are vital for marine biodiversity and tourism but are threatened by rising temperatures.

Geopolitical and Climatic Influence

  • Unique Geographical Features: The Indian Ocean’s northern boundary is closed off by the Asian landmass, with only narrow connections to the Persian Gulf and the Red Sea. Its southern part is connected to the Pacific and Southern Oceans through oceanic tunnels, influencing global water circulation and heat distribution.
  • Inter-Oceanic Interaction: The Indonesian Throughflow and connections with the Southern Ocean affect the Indian Ocean’s temperature, salinity, and overall climatic impact.

Issues

  • Cyclones: Increasing frequency and intensity of pre-monsoon cyclones pose significant threats to coastal populations in South Asia, East Africa, and West Asia.
  • Marine Heatwaves: Rising temperatures lead to marine heatwaves, endangering coral reefs and fisheries, which are crucial for local economies and biodiversity.
  • Global Warming: The Indian Ocean’s warming affects global climatic patterns by influencing heat uptake and distribution, impacting the Pacific Ocean’s ability to moderate global temperatures.

Significance

  • Climate Regulation: The Indian Ocean’s warming patterns and heat distribution are essential for understanding and mitigating global warming.
  • Historical Impact on Evolution: Changes in the Indian Ocean’s configuration around three million years ago may have contributed to significant climatic shifts in East Africa, potentially influencing human evolution by transforming rainforests into grasslands.

Solutions

  • Climate Monitoring: Enhanced monitoring of temperature changes and cyclonic activity in the Indian Ocean is crucial for early warning systems and disaster preparedness.
  • Marine Conservation: Protecting and restoring coral reefs and sustainable fisheries management are vital for maintaining marine biodiversity and supporting local economies.
  • Global Cooperation: International efforts to reduce greenhouse gas emissions are necessary to mitigate the Indian Ocean’s rapid warming and its broader climatic impacts.

Nut Graf: The Indian Ocean, despite being the smallest of the three major oceans, has an outsized influence on global climate and weather patterns. Its rapid warming and unique geographical features make it a critical area of study for understanding and addressing global warming. On World Oceans Day, reflecting on the Indian Ocean’s significant role in climate regulation and human history underscores the importance of preserving and studying this vital ecosystem.

G. Tidbits

Nothing here for today!!!

H. UPSC Prelims Practice Questions

Q1. Consider the following statements about heat and its role in engines and 
global warming:
  1. Internal combustion engines convert chemical energy stored in fuel into usable mechanical work by utilizing the expansion of hot gases.
  2. The greenhouse effect is caused by heat from the sun being trapped by certain gases in the atmosphere, leading to global warming.
  3. Heat, by itself, can directly cause global warming without any interaction with atmospheric gases.

Which of the statements given above are correct?

  1. 1 and 2 only
  2. 1 and 3 only
  3. 2 and 3 only
  4. 1, 2 and 3
CHECK ANSWERS:-

Answer: a

Explanation:

  • Statement 1 is correct. Internal combustion engines operate on the principle of burning fuel (a chemical reaction) to generate heat. This heat causes the expansion of gases within the engine, which pushes pistons and translates into mechanical work.
  • Statement 2 is correct. The greenhouse effect is a natural phenomenon where certain gases in the atmosphere, like carbon dioxide, trap heat radiating from the Earth’s surface, leading to a gradual warming trend. Human activities are increasing the concentration of these greenhouse gases, intensifying this effect and causing global warming.
  • Statement 3 is incorrect. Heat, by itself, cannot directly cause global warming in the context of Earth’s atmosphere. It’s the trapping of heat by greenhouse gases that disrupts the natural energy balance and leads to global warming.
Q2. Consider the following statements:
  1. Statement 1: The Indian Ocean plays a crucial role in regulating global climate patterns like monsoons.
  2. Statement 2: The vast biodiversity of the Indian Ocean is a key indicator of the overall health of the planet’s marine ecosystems.

Which of the following is correct in the context of the above statements?

  1. Only Statement 1 is individually correct and relevant.
  2. Only Statement 2 is individually correct and relevant.
  3. Both Statement 1 and Statement 2 are individually correct but not directly linked.
  4. Both Statement 1 and Statement 2 are individually correct and have a cause-and-effect relationship.
CHECK ANSWERS:-

Answer: d

Explanation:

  • Statement 1: The Indian Ocean is a major driver of monsoons, particularly for the surrounding landmasses in Asia and Africa. Its warm surface temperatures and unique circulation patterns influence wind directions and precipitation patterns, impacting agricultural productivity and regional weather patterns.
  • Statement 2: The Indian Ocean is a hotspot for marine biodiversity, harbouring diverse coral reefs, mangroves, and a wide range of marine life. This rich biodiversity is not only ecologically valuable in itself but also serves as an indicator of the overall health of the planet’s oceans. A decline in ocean health in the Indian Ocean would likely have cascading effects on marine ecosystems globally.
Q3. Consider the following statements:
  1. Statement 1: India’s growing strategic interests in the Indian Ocean necessitate a robust naval presence, and a third aircraft carrier would significantly enhance power projection capabilities.
  2. Statement 2: Critics argue that the high cost of building and maintaining a third carrier outweighs the strategic benefits, and investments in other defense sectors might be more prudent.

Which of the following is correct in the context of the above statements?

  1. Only Statement 1 is individually correct and relevant.
  2. Only Statement 2 is individually correct and relevant.
  3. Both Statement 1 and Statement 2 are individually correct but not directly linked.
  4. Both Statement 1 and Statement 2 are individually correct and have a trade-off relationship.
CHECK ANSWERS:-

Answer: d

Explanation:

  • Statement 1: Proponents of a third aircraft carrier argue that India’s growing role as a net security provider in the Indian Ocean requires a stronger navy with the ability to project power across vast distances. An additional carrier battle group would enhance India’s ability to deter potential adversaries and respond to regional contingencies.
  • Statement 2: Critics point out the enormous cost associated with building and maintaining an aircraft carrier. These resources could be directed towards other defense priorities like modernization of existing forces, development of indigenous technologies, or bolstering other branches of the military.
  • The Trade-Off:
    • These statements present a classic trade-off between strategic ambitions and resource allocation. The decision to build a third carrier involves weighing the potential benefits for national security against the significant financial burden.
Q4. The recent release of Rs 20,000 crore by the new Government of India as its 
first official act is associated with which of the following schemes?
  1. Pradhan Mantri Ujjwala Yojana (PMUY)
  2. Pradhan Mantri Jan Dhan Yojana (PMJDY)
  3. Pradhan Mantri Awas Yojana (PMAY)
  4. Pradhan Mantri Kisan Samman Nidhi (PM-KISAN)
CHECK ANSWERS:-

Answer: d

Explanation:

Pradhan Mantri Kisan Samman Nidhi (PM-KISAN) is a central government scheme launched in 2019. It provides annual financial assistance of ₹6,000 to eligible farmers, payable in three equal instalments of ₹2,000 every four months.

The news pertains to the disbursal of one such instalment, amounting to ₹20,000 crore, which benefits around 9.3 crore farmers.

Q5. The recent expansion of the BRICS grouping included which of the 
following countries?
  1. Bangladesh, Sri Lanka, and Nepal
  2. Egypt, Iran, UAE, Saudi Arabia, and Ethiopia
  3. Indonesia, Malaysia, and the Philippines
  4. Kazakhstan, Uzbekistan, and Turkmenistan
CHECK ANSWERS:-

Answer: b

Explanation:

BRICS (Brazil, Russia, India, China, and South Africa) recently welcomed new members in 2023. The new members include Egypt, Iran, the United Arab Emirates (UAE), Saudi Arabia, and Ethiopia.

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