To identify a dimensionless quantity, we need to examine the units of each given option. A dimensionless quantity is one that has no physical units associated with it, meaning its units cancel out in its definition or it is defined as a ratio of two quantities with the same units.
Correct Option: C) Refractive index is a dimensionless quantity because it is a ratio of two quantities with the same units (speeds).
The question asks for the date of Maha Shivaratri in the year 2025. This is a factual question related to the Hindu calendar and specific festival dates. To answer this, one needs to know or look up the calendar date for this particular festival in the specified year.
Correct Option: A) 26 February is the correct date for Maha Shivaratri in 2025.
The question asks about a specific result from a badminton tournament in December 2024. To answer this, one needs to recall or research the outcomes of the King Cup International Badminton Open, specifically focusing on Lakshya Sen's performance and the opponent he defeated to secure third place.
Correct Option: C) Alex Lanier
Lakshya Sen defeated France's Alex Lanier in the third-place playoff match at the King Cup International Badminton Open in December 2024 to secure the bronze medal.
The question asks to identify the Indian state that signed an MoU with IN-SPACe in May 2025 for establishing a Space Tech Manufacturing Park and Centre of Excellence. This is a factual question related to recent developments in India's space sector and state-level initiatives.
B) Karnataka — In May 2025, Karnataka signed an MoU with the Indian National Space Promotion and Authorization Centre (IN-SPACe) to set up a Space Tech Manufacturing Park and a Centre of Excellence. This move is part of Karnataka's strategy to strengthen its position as a leader in the aerospace and defence sector, fostering private participation and innovation in space technology.
The question asks to identify a desert located in the southern part of the world map. This requires knowledge of the geographical locations of major deserts.
C) The Kalahari Desert is located in Southern Africa, making it visible in the southern part of the world map.
The question asks to identify the state where the Mudumal Megalithic Menhir is located, given that this state was included in UNESCO's tentative list in February 2025. This requires knowledge of recent UNESCO tentative list nominations from India and the geographical location of the mentioned site.
D) Telangana is the correct answer. The Mudumal Megalithic Menhir is a significant archaeological site located in the Narayanpet district of Telangana. The "Megalithic Burial Sites of the Iron Age" from Telangana, which include sites like Mudumal, were indeed added to the UNESCO World Heritage Centre's tentative list in February 2025.
The question asks about the subject matter of the Tenth Schedule of the Indian Constitution. To answer this, one needs to recall the various schedules of the Indian Constitution and their respective purposes.
B) disqualification on grounds of defection. The Tenth Schedule, introduced by the 52nd Amendment Act, 1985, provides for the disqualification of members of Parliament and state legislatures on the ground of defection from one political party to another. This is commonly known as the Anti-Defection Law.
This question tests knowledge of common Windows keyboard shortcuts. Understanding these shortcuts can significantly improve efficiency when using a computer.
Correct Option: C) Switches between open applications
The question asks for an efficient way to organize files on a computer. Efficient file organization aims to make files easy to find, access, and manage. We need to evaluate each option based on this principle.
Based on this evaluation, creating categorized folders is the most efficient and logical method.
Correct Option: A) Create different folders based on categories of files. This method promotes logical grouping, making files easy to locate and manage.
The question asks to identify the individual who proposed the idea of bringing together prominent Indian political leaders under a single organization, which eventually became the Indian National Congress. This requires knowledge of the founders and early history of the Indian National Congress.
Correct Option: A) A O Hume was a retired British civil servant who took the initiative to form an all-India organization. He is widely credited with the idea of bringing together leading Indian political leaders on a common platform, which led to the establishment of the Indian National Congress in 1885.