266: After returning from South Africa, Gandhiji launched his first successful Satyagraha in
(a) Chauri-Chaura
(b) Dandi
(c) Champaran
(d) Bardoli
267: In a fluorescent tube which of the following components are found?
(a) Mercury vapour
(b) Argon and carbon dioxide
(c) Helium and oxygen
(d) Argon and neon
268: otal time taken by a person in going to a place by walking and returning on cycle is 5 hours 45 minutes. He would have gained 2 hours by cycling both ways. The time taken by him to walk both ways is
(a) 6 hours 45 minutes
(b) 7 hours 45 minutes
(c) 8 hours 15 minutes
(d) 8 hours 30 minutes
269: With reference to the river Luni, which one of the following statements is correct?
(a) It flows into Gulf of Khambhat
(b) It flows into Gulf of Kuchchh
(c) It flows into Pakistan and merges with a tributary of Indus
(d) It is lost in the marshy land of the Rann of Kuchchh
270: In what way does the Indian Parliament exercise control over the administration?
(a) Through Consultative Committees of various ministries
(b) Through Parliamentary Committees
(c) By making the administrators send periodic reports
(d) By compelling the executive to issue writs