1. Consider the following statements about particulate matter and air pollution:
- PM2.5 particles are capable of entering the bloodstream due to their small diameter.
- Ground-level ozone is a primary pollutant emitted directly from vehicle exhausts.
- The National Ambient Air Quality Standards in India prescribe permissible pollutant concentration limits.
Which of the statements given above is/are correct?
(a) 1 and 3 only
(b) 2 and 3 only
(c) 1 only
(d) 1, 2 and 3
2. Statement-I: Gatka is a traditional Sikh martial art that combines physical combat training with ceremonial and devotional elements.
Statement-II: The Nihang order traces its origin to the establishment of the Khalsa by Guru Gobind Singh in 1699.
Which one of the following is correct in respect of the above statements?
(a) Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
(b) Both Statement-I and Statement-II are correct but Statement-II does not explain Statement-I
(c) Statement-I is correct but Statement-II is incorrect
(d) Statement-I is incorrect but Statement-II is correct
3. Consider the following statements about Foreign Currency Non-Resident (Bank) – FCNR(B) – deposits:
- FCNR(B) deposits protect the depositor from rupee exchange-rate risk as they are maintained in foreign currencies.
- A Standby Letter of Credit (SBLC) is a form of guarantee issued by a bank on behalf of a borrower.
- Under the RBI’s swap facility, banks permanently transfer foreign currency to the RBI in exchange for rupees.
How many of the above statements are correct?
(a) Only one
(b) Only two
(c) All three
(d) None
4. Consider the following statements about supercomputers and their benchmarking:
- FLOPS measures the number of floating-point operations a computer can perform per second and is used as a standard performance metric for supercomputers.
- Quantum computers use qubits and quantum mechanical effects, making them fundamentally different in architecture from conventional supercomputers.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
5. Which one of the following best explains why scientists use isotopic ratios – such as the deuterium-to-hydrogen ratio – to infer the origin and formation conditions of interstellar objects like comets?
(a) Isotopic ratios remain constant across all cosmic environments and therefore confirm that an object originates from outside the Solar System.
(b) Isotopic ratios vary with the temperature, radiation and chemical conditions prevailing at the time of formation, thereby serving as a record of the object’s birthplace environment.
(c) Radioactive isotopes in cometary material allow scientists to determine the exact orbital trajectory an object followed before entering the Solar System.
(d) Stable isotopes decay at predictable rates, enabling scientists to calculate how long an object has been travelling through interstellar space.
6. Consider the following pairs
| Critical Mineral | Primary Use Sector |
| Lithium | Electric vehicle batteries and energy storage systems |
| Vanadium | Semiconductors and consumer electronics |
| Rare Earth Elements (REEs) | Defence systems, renewable energy technologies and advanced manufacturing |
| Graphite | Anode material in lithium-ion batteries |
How many of the above pairs are correctly matched?
(a) Only one
(b) Only two
(c) Only three
(d) All four
7. Consider the following statements regarding the Foreign Contribution (Regulation) Act (FCRA), 2010 and the recently amended rules:
- The FCRA is administered by the Ministry of Home Affairs.
- An organisation receiving foreign contributions must necessarily obtain permanent FCRA registration.
- Under the amended rules, NGOs are required to disclose their official websites and social-media accounts.
How many of the statements given above are correct?
(a) Only one
(b) Only two
(c) Only three
(d) None
8. Consider the following statements regarding radiometric dating:
- Radiometric dating relies on the predictable decay of radioactive isotopes.
- Stable isotopes such as Carbon-12 and Oxygen-16 can be used for age determination because they remain unchanged over time.
- The half-life of a radioactive isotope refers to the time required for half of the parent atoms to decay into daughter products.
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
9. The Access and Benefit Sharing (ABS) Framework, is primarily associated with which one of the following international agreements?
(a) Convention on International Trade in Endangered Species of Wild Fauna and Flora
(b) United Nations Framework Convention on Climate Change
(c) Convention on Biological Diversity
(d) United Nations Convention to Combat Desertification
10. Which one of the following passes is used as a route for the Kailash Mansarovar Yatra and is located in Sikkim?
(a) Lipu Lekh
(b) Nathu La
(c) Rohtang Pass
(d) Zoji La
ANSWERS for Daily Current Affairs Prelims Practice (24-06-2026):
1. Answer: A
2. Answer: B
3. Answer: B
4. Answer: C
5. Answer: B
6. Answer: C
7. Answer: B
8. Answer: B
9. Answer: C
10. Answer: B
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