596: With reference to 'Li-Fi', recently in the news, which of the following statements is/are correct?
1. It uses light as the medium for high-speed data transmission.
2. It is a wireless technology and is several times faster than 'WiFi'.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
597: Consider the map given below :
The dotted (broken) line in the map is the
(a) Durand line
(b) MacMahon line
(c) line of demarcation between India and Pakistan suggested by the Boundary Commission (1947)
(d) route followed by the Young husband Expedition
598: Which one of the following is a purpose of 'UDAY', a scheme of the Government?
(a) Providing technical and financial assistance to start-up entrepreneurs in the field of renewable sources of energy
(b) Providing electricity to every household in the country by 2018
(c) Replacing the coal-based power plants with natural gas, nuclear, solar, wind and tidal power plants over a period of time
(d) Providing for financial turnaround and revival of power distribution companies
599: With reference to the mineral resources of India, consider the following pairs:
Mineral : 90% Natural sources in
1. Copper : Jharkhand
2. Nickel : Orissa
3. Tungsten : Kerala
Which of the pairs give above is/are correctly matched?
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
600: The best quality of hard wood for the manufacture of furniture is obtained from
(a) Cedrus deodara
(b) Pinus longifolia
(c) Dalbergia sissio
(d) Mangifera indica