546: With reference to communication technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)?

1. LTE is commonly marketed as 3G and VoLTE is commonly marketed as advanced 3G.
2. LTE is data-only technology and VoLTE is voice-only technology.

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
547: Consider the following pairs:

Automobile Manufacturer : Headquarters

1. BMW AG : USA
2. Daimler AG : Sweden
3. Renault S.A. : France
4. Volkswagen : Germany

Which one of the above is/are correctly matched?

(a) 1, 2, 3
(b) 3 & 4
(c) 1, 2, 4
(d) 4 only
548: Even though the Railways are the most pervasive mode of transport in India, it is the road transport which received the maximum impetus in most of the post-independence period. Which of the following are the reasons for this ?

I. Railways are cheap to operate but the associated capital costs are very high.

II. Given the geographic spread of the human settlements, it is unrealistic that the railways alone can serve the needs of transport.

III. The per unit (tonne/km) cost of transport is cheaper in road compared to rail transport.

IV. Given the indivisible nature of the Railways, it is not always convenient for the population to avail of it with the same ease as private cars, buses or two-wheelers.

Select the correct answer from the codes given below

Codes:

(a) I, II and III

(b) I, II and IV

(c) I, III and IV

(d) II, III and IV
549: Khaira is a plant disease caused due to the deficiency of:

(a) Iron

(b) Carbon

(c) Zinc

(d) None of the above
550: In the year 2007, an earthquake led to massive radioactive water leakage in the largest nuclear plant in the world. In which country did it occur?

(a) Canada
(b) Japan
(c) Germany
(d) USA