General Knowledge: Science, History & Current Affairs

In Hindu cosmology, Vaivasvata Manu (also known as Shraddhadeva or Satyavrata) is the progenitor of the current Manvantara, which is the seventh Manvantara. He is the son of Vivasvan (the Sun God) and is considered the current Manu who presides over the present epoch. Each Manvantara is ruled by a different Manu, and we are currently in the Vaivasvata Manvantara.

The Trans-Siberian Railway spans approximately 9,289 km across Russia and crosses 8 different time zones as it travels from Moscow to Vladivostok, making it the railway line that contains the most time zones in the world. The other options (Far Eastern, Trans-Manchurian, and Trans-Mongolian) are all shorter routes that cross fewer time zones.

Suka (also known as Suka Deva or Shuka), the narrator of the Bhagavata Purana, was indeed the son of sage Vyasa (Ved Vyasa), who is credited with compiling and organizing the four Vedas. Saunaka was a different sage who appears in the Puranas, while Vishvagashva and Nikumbh are not directly related to Suka's parentage in Hindu tradition.

The first telegraphic link in India was established in 1851 between Calcutta and Diamond Harbour (near Kolkata), not any of the cities listed. The 1853 line mentioned extended from Calcutta to Khandwa via Agra, but the terminus was Khandwa. Therefore, none of the specific cities mentioned in options A, B, or C were the correct endpoint.

Sigma (Σ, σ) is a term from mathematics, specifically representing summation (Σ) and standard deviation (σ) in statistics. While sigma notation is used in science (physics, chemistry) and has some accounting applications, it is fundamentally a mathematical concept for representing sums and measuring variation. The Greek letter sigma's primary association is with mathematical and statistical operations.

Anand Panyarachun was the Prime Minister of Thailand, while Kiran Bedi, T.N. Seshan, and J.M. Lyngdoh all served as Election Commissioners of India. This makes Panyarachun the odd one out as he is the only non-Indian and the only person who was a Prime Minister rather than an Election Commissioner.

According to Hindu mythology and the Ramayana, Sumitra was the last king of the Suryavansha (Ikshvaku dynasty) to rule Ayodhya before the dynasty's rule ended. Kusha, Kulak, and Kshudrak were descendants but not the final rulers of the dynasty.

CRM stands for Customer Relationship Management, a business strategy and technology for managing interactions with current and potential customers. Customer Retention Manager is a job title, not an acronym expansion. The other options are fabricated expansions.

The SI unit of magnetic flux density is the Tesla (T). Gauss and Oersted are CGS units for magnetic field and magnetic field intensity respectively. Weber is the SI unit for magnetic flux, not flux density.

Guantanamo Bay detention camp is located in Cuba but is operated by the United States (specifically the US Navy). It has been used as a detention facility for terrorism suspects since 2002. The base itself is on Cuban territory but under US control via a lease agreement.

The plasma membrane (cell membrane) primarily regulates the transport of materials in and out of the cell through selective permeability. It does not control all cellular activities (that's the nucleus), store materials (that's vacuoles), or maintain shape alone (that's the cell wall in plants).