246: By a regulation in 1793, the District Collector was deprived of his judicial powers and made the collecting agent only. What was the reason for such regulation?
(a) Lord Cornwallis felt that the District Collector's efficiency of revenue collection would enormously increase without the burden of other work
(b) Lord Cornwallis felt that Judicial power should compulsorily be in the hands of Europeans while Indians can be given the job of revenue collection in the districts
(c) Lord Cornwallis was alarmed at the extent of power concentrated in the District Collector and felt that such absolute power was undesirable in one person
(d) The judicial work demanded a deep knowledge of India and a good training in law and Lord Cornwallis felt that District Collector should be only a revenue collector
247: With reference to 'Near Field Communication (NFC) Technology', which of the following statements is/are correct?
1. It is a contactless communication technology that uses electromagnetic radio fields.
2. NFC is designed for use by devices which can be at a distance of even a metre from each other
3. NFC can use encryption when sending sensitive information.
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 Only
(c) 1 and 3 only
(d) 1, 2 and 3
248: In below set of figures (I) to (IV), some parts are shown to change their position in a regular direction. Following the same sequence, which one of the following will appear at the fifth stage?
249: Who of the following scientists proved that the stars with mass less than 1.44 times the mass of the Sun end up as White Dwarfs when they die?
(a) Edwin Hubble
(b) S. Chandrashekhar
(c) Steven Weinberg
(d) Stephen Hawking
250: Other than Jatropha curcas, why is Pongamia pinnata also considered a good option for the production of bio-diesel in India ?
1. Pongamia pinnata grows naturally in most of the arid regions of India.
2. The seeds of Pongamia pinnata are rich in lipid content of which nearly half is oleic acid.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2