Review answers

Explanation: Ambika Charan Mazumdar presided over the Lucknow session (1916). It reunited the Moderates and Extremists and produced the Congress–Muslim League pact. Annie Besant presided in 1917 (Calcutta), Rash Behari Ghosh in 1907–08 and Malaviya in 1909 and 1918.

Explanation: Akashvani reported that Prof. Ashoke Sen won the 2026 Oskar Klein Medal, the first Indian physicist to receive it, for pioneering work in string theory, black hole entropy and string field theory. The medal is given by Stockholm University and the Nobel Committee for Physics.

Explanation: The Yamuna, rising at the Yamunotri glacier, is the westernmost and longest tributary of the Ganga and joins it at Prayagraj. The Ghaghara and Gandak are left-bank Himalayan tributaries; the Son is a right-bank peninsular tributary.

Explanation: PIB (24 Oct 2026): the 'Setting to Work Phase-2' of the AIP Energy Module, developed by DRDO's Naval Materials Research Laboratory, began at L&T Hazira, Gujarat. AIP cuts a diesel-electric submarine's need for atmospheric oxygen; the module is to be fitted on a Kalvari-class submarine in early 2027.

Explanation: PIB (24 Oct 2026): Dr Jitendra Singh opened the Integrated Atmospheric Chemistry and Aerosol Toxicity Analysis Laboratory (AATAL) at IITM's Delhi Branch. It was set up under 'Mission Mausam' and can identify sources of air pollution in real time.

Explanation: PIB: the 11 crore Farmer IDs were completed by the night of 23 October, five months before the 31 March 2027 deadline, under the Digital Agriculture Mission of the Ministry of Agriculture and Farmers' Welfare. Statement 3 is wrong.

Explanation: Akashvani: Hereditary Prince Alois, Acting Head of State of Liechtenstein, is on a four-day visit to India from 25 to 28 October at PM Modi's invitation. MEA said ties have grown since the India–EFTA Trade and Economic Partnership Agreement became operational in 2025.

Explanation: Akashvani: by an MHA order, Dr Sajjan Singh Yadav, a 1995-batch AGMUT cadre IAS officer, moves from Delhi to become J&K Chief Secretary, effective 1 November or from the date he assumes charge, whichever is later. All three statements are correct.

Explanation: Kathak is the recognised classical dance of Uttar Pradesh, and its Lucknow gharana flourished under the Nawabs of Awadh. Ramlila was inscribed by UNESCO in 2008. Chikankari of Lucknow is a fine hand embroidery (GI-tagged), not tie-and-dye, so statement 2 is wrong.

Explanation: Article 148(4) makes the CAG ineligible for any further office under the Government of India or a State after leaving office. The President appoints him by warrant (Art. 148(1)); removal is as for a Supreme Court judge; the 1971 Act fixes 6 years or age 65.