831: "Sufi Sect" originated and developed in:
(a) Christianity
(b) Islam
(c) Hinduism
(d) Zoroastrianism
832: The first great experiment of Gandhiji in "Satyagraha" took place in:
(a) Dandi
(b) Champaran
(c) South Africa
(d) Bardoli
833: Galvanising of sheet iron is done by dipping the sheet metal into molten
(a) Mercury
(b) Cadmium
(c) Lead
(d) Zinc
834: Which one of following is produced during the formation of photochemical smog?
(a) Hydrocarbons
(b) Nitrogen Oxides
(c) Ozone
(d) Methane
835: Decomposition of organic matter is due to:
(a) Virus
(b) Fungi
(c) Bacteria
(d) None of these