The question asks to identify the named reaction that involves an alkoxide ion attacking a primary alkyl halide via an SN2 mechanism. This is a classic method for ether synthesis.
Correct Option: C) Williamson synthesis is the reaction where an alkoxide ion attacks a primary alkyl halide via an SN2 mechanism to form an ether.
The question asks to identify the tiger reserve in which Jharkhand's first tiger safari, located in the Barwadih Western Forest Range, is a part. This requires knowledge of the geographical location of tiger reserves in India, specifically in Jharkhand.
Correct Option: C) Palamau Tiger Reserve — The Barwadih Western Forest Range, where Jharkhand's first tiger safari is being established, is an integral part of the Palamau Tiger Reserve, located in Jharkhand.
The question asks about the geographical extent of the Kaimur Hills, specifically its easternmost termination point in Bihar. To answer this, one needs to recall the geographical distribution of the Vindhya Range and its subdivisions, particularly the Kaimur Hills.
C) Rohtas — The Kaimur Hills, an extension of the Vindhya Range, terminate in the Rohtas district of Bihar. This district is known for its hilly terrain, which is part of the Kaimur plateau.
The question asks about the original jurisdiction of the Supreme Court of India. This requires understanding the different types of jurisdictions the Supreme Court exercises and identifying which function falls under its original jurisdiction.
C) It settles disputes between the Union and states — This is a core part of the Supreme Court's original jurisdiction as outlined in Article 131 of the Indian Constitution. These disputes cannot be initiated in any other court.
The question asks for the term that describes the disintegration of rocks into smaller fragments without any change in their chemical composition. This points to a specific type of weathering.
C) Mechanical weathering is the correct answer because it is the general term for the physical breakdown of rocks into smaller pieces without altering their chemical composition. Exfoliation, block disintegration, and frost action are all specific types or processes of mechanical weathering.
The question asks to identify a major challenge faced by Indian cities due to rapid urbanisation. We need to evaluate each option in the context of the typical consequences of fast-paced urban growth in India.
C) Pressure on infrastructure and services. Rapid urbanisation leads to a significant increase in urban population, which puts immense strain on existing infrastructure (like roads, public transport, housing, water supply, and sanitation) and public services (like healthcare, education, and waste management). This is a primary challenge faced by almost all Indian cities undergoing rapid growth.
The question asks about a recent geopolitical development concerning the Chagos Islands. To answer this, one needs to recall current international affairs related to territorial disputes and decolonization efforts.
B) Mauritius — The United Kingdom has indeed signed an agreement to transfer sovereignty over the Chagos Islands to Mauritius, resolving a long-standing territorial dispute.
In which of the following cities was the 2nd edition of Khelo India Para Games 2025 held in March 2025?
The question asks for the host city of the 2nd edition of the Khelo India Para Games in March 2025. This requires knowledge of recent sports event venues, particularly those related to government initiatives like Khelo India.
D) New Delhi — The 2nd edition of the Khelo India Para Games, scheduled for March 2025, is planned to be held in New Delhi. The first edition was also held in New Delhi in December 2023, establishing it as the primary venue for these games.
The question asks about the main characteristic of the Indian economy at the time of independence in 1947. To answer this, we need to recall the economic conditions prevalent in India under British colonial rule, especially leading up to 1947.
D) Predominantly agrarian with low productivity — At the time of independence, over 70% of India's population was dependent on agriculture for livelihood. However, agricultural practices were primitive, land tenure systems were exploitative, and there was a severe lack of investment, leading to extremely low productivity. The industrial base was negligible, and the economy was largely backward and stagnant. This option accurately describes the economic reality of India in 1947.
The question asks to identify a distinct feature of a statutory corporation in India. To answer this, one must understand the characteristics that define statutory corporations, especially in contrast to other forms of public or private organizations.
Correct Option: C) It is established by an Act, has a separate legal identity, and can sue or be sued.
This option accurately describes the fundamental characteristics of a statutory corporation. They are created by a specific law (Act of Parliament or State Legislature), which grants them a distinct legal personality, allowing them to function as autonomous bodies, capable of entering into contracts, owning property, and initiating or facing legal action in their own name.