3181: Chlorination is a process used for water-purification. The disinfecting action of chlorine is mainly due to
(a) The formation of hydrochloric acid when chlorine is added to, water
(b) The formation of hypochlorous acid when chlorine is added to water
(c) The formation of nascent oxygen when chlorine is added to water
(d) The formation of hydrogen when chlorine is added to water
3182: The Hunter Commission was appointed after the
(a) Black hole incident
(b) Jalianwallabagh massacre
(c) Uprising of 1857
(d) Partition of Bengal
3183: Who among the following can join the National Pension System (NPS)?
(a) Resident Indian citizens only
(b) Persons of age from 21 to 55 only
(c) All State Government employees joining the services after the date of notification by the respective State Governments
(d) All Central Government employees including those of Armed Forces joining the services on or after 1st April, 2004
3184: World Development Report is an annual publication of
(a) United Nations Development Programme
(b) International Bank of Reconstruction and Development
(c) World Trade Organisation
(d) International Monetary Fund
3185: What is the number of spokes in the Dharmachakra in the National Flag of India?
(a) 24
(b) 16
(c) 18
(d) 22