1. “Thermal runaway” is often discussed in the context of:
(a) Geothermal energy extraction
(b) Hydrogen production through electrolysis
(c) Nuclear fusion reactions
(d) Electric vehicle batteries
2. Consider the following substances:
- Water
- Starch
- Urea
- Industrial dyes
- Detergents
- Sawdust
How many of the above are commonly known food adulterants?
(a) Only three
(b) Only four
(c) Only five
(d) All six
3. Consider the following information about two electric vehicle batteries:
Battery A: 60 kWh capacity, 400 V
Battery B: 60 kWh capacity, 800 V
3. Consider the following statements:
- Both batteries can store the same amount of electrical energy.
- Battery B can provide the same power while using less electric current.
- Battery B will necessarily give twice the driving range because its voltage is twice that of Battery A.
Which of the statements given above are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 2 only
(d) 1, 2 and 3
4. With reference to the United Nations Convention on the Law of the Sea (UNCLOS), consider the following statements:
- Within the 12-nautical-mile Territorial Sea, the coastal state exercises absolute sovereignty over the airspace and seabed.
- Innocent Passage allows foreign ships to pass through the Territorial Sea, but submarines must travel on the surface and show their flag.
- Transit Passage applies to international straits, allowing foreign warships and aircraft the freedom of navigation and overflight solely for continuous travel.
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
5. The doctrine of “Miri-Piri,” associated with the Akal Takht, best refers to:
(a) The dual authority of spiritual guidance and military command exercised jointly by a council of Sikh scholars
(b) The combination of temporal and spiritual authority vested in Sikh religious leadership
(c) A judicial mechanism allowing civil courts to review verdicts of the Akal Takht
(d) The hereditary succession principle governing appointment of the Jathedar
6. Consider the following statements regarding coastal wetland ecosystems:
- They primarily function to reduce flood risk and recharge groundwater.
- They have negligible capacity for long-term carbon storage compared to forest ecosystems.
- They support migratory bird populations, making them ecologically significant beyond national boundaries.
How many of the above statements are correct?
(a) Only one
(b) Only two
(c) All three
(d) None
7. With reference to the National Investment and Infrastructure Fund (NIIF), which one of the following best describes its operational model?
(a) It functions purely as a government department disbursing budgetary grants for infrastructure projects
(b) It is a sovereign-anchored investment platform that mobilises capital from diverse institutional investors, with majority government ownership
(c) It is a sovereign-anchored investment platform mobilising capital from diverse institutional investors, with the government as a minority stakeholder
(d) It operates exclusively as a regulatory body overseeing infrastructure financing by private banks
8. Consider the following statements comparing Aqueous Zinc-Ion Batteries (AZIBs) and Lithium-ion (Li-ion) batteries:
- AZIBs operate at a higher voltage per cell than Li-ion batteries, making them more suitable for compact electronic devices.
- Li-ion batteries generally offer higher energy density, making them more suitable for applications requiring lightweight, compact storage.
- The flammable organic solvents used in Li-ion electrolytes create a higher fire risk compared to the water-based electrolytes in AZIBs.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
9. Consider the following statements regarding India’s updated Nationally Determined Contributions (NDCs):
- India has committed to reducing the emissions intensity of its GDP by 45% by 2030 from the 2005 level.
- India’s NDCs are explicitly linked to achieving net-zero carbon emissions across the domestic economy by the year 2050.
- India aims to achieve 50% cumulative electric power installed capacity from non-fossil fuel-based energy resources by 2030
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
10. Consider the following pairs of geographic choke points and the water bodies they connect:
- Strait of Hormuz: Red Sea and the Gulf of Aden
- Bab-el-Mandeb: Persian Gulf and the Gulf of Oman
- Strait of Malacca: Andaman Sea and the South China Sea
How many of the pairs given above are correctly matched?
(a) Only one pair
(b) Only two pairs
(c) All three pairs
(d) None of the pairs
ANSWERS for Daily Current Affairs Prelims Practice (30-06-2026):
1. Answer: D
2. Answer: D
3. Answer: C
4. Answer: D
5. Answer: B
6. Answer: B
7. Answer: C
8. Answer: B
9. Answer: C
10. Answer: A
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