1976: At what temperature are the readings of a Centigrade and Fahrenheit thermometer the same?
(a) -40
(b) 212
(c) 40
(d) 100
1977: 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
1978: Which one of the following has merged with Tanganyika to form the present Tanzania?
(a) Zimbabwe
(b) Zaire
(c) Zanzibar
(d) Zambia
1979: Which one of the following was a journal brought out by Abul Kalam Azad ?
(a) Zamindar
(b) Al-Hilal
(c) Comrade
(d) The Indian Sociologist
1980: The Institute of Ombudsman was first established in:
(a) Norway
(b) Sweden
(c) Finland
(d) Denmark