491: The alpha-particle carries two positive charges. Its mass is very nearly equal to that of
(a) two protons
(b) an atom of helium
(c) sum of masses of two positrons and two neutrons
(d) two positrons as each positron carries a single positive charge
492: What was the immediate cause for the launch of the Swadeshi movement ?
(a) The partition of Bengal done by Lord Curzon
(b) A sentence of 18 months rigorous imprisonment imposed on Lokmanya Tilak
(c) The arrest and deportation of Lala Lajpat Rai and Ajit Singh; and passing of the Punjab Colonization Bill
(d) Death sentence pronounced on the Chapekar brothers
493: The average annual temperature of a meteorological station is 26 degree Celcius, its average annual rainfall is 63 cm and the annual range of temperature is 9 degree Celcius. The station in question is
(a) Allahabad
(b) Chennai
(c) Cherrapunji
(d) Kolkata
494: A man starts walking in the north-easterly direction from a particular point. After walking a distance of 500 metres, he turns southward and walks a distance of 400 metres. At the end of this walk he is situated
(a) 300 metres north of the starting point
(b) 100 metres north-east of the starting point
(c) 300 metres east of the starting point
(d) 100 metres north of the starting point
495: With reference to the Consumer Disputes Redressal at district level in India, which one of the following statements is not correct?
(a) A State Government can establish more than one District Forum in a district if it deems fit
(b) One of the members of the District Forum shall be a woman
(c) The District Forum entertains the complaints where the value of goods or services does not exceed rupees fifty lakhs
(d) A complaint in relation to any goods sold or any service provided may be filed with a District Forum by the State Government as a representative of the interests of the consumers in general