426: Consider the following statements:
A digital signature is
1. an electronic record that identifies the certifying authority issuing it
2. used to serve as a proof of identity of an individual to access information or server on Internet
3. an electronic method of signing an electronic document and ensuring that the original content is unchanged
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
427: With reference to power sector in India consider the following statements:
1. Rural electrification has been treated as a Basic Minimum Service under the Prime Minister's Gramodaya Yojana.
2. 100 per cent Foreign Direct Investment in power is allowed without upper limit
3. The Union Ministry of Power has signed a Memoranda of Understanding with 14 states.
Which of these statements is/are correct?
(a) 1 only
(b) 1 and 2
(c) 2 and 3
(d) 3 only
428: 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
429: With reference to Indian transport systems, consider the following statements:
1. Indian railways system is the largest in the world.
2. National Highways cater to 45 per cent of the total road transport demand.
3. Among the states, Kerala has the highest density of surface road.
4. National Highway No. 7 is the longest in the country.
Which of these statements are correct?
(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) 2 and 4
430: Another name of Vitamin C is:
(a) Folic acid
(b) Ascorbic acid
(c) Niacin
(d) Acetic acid