651: 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
652: Consider the following statements:

1. Smart Card is a plastic card with an embedded microchip.

2. Digital technology is primarily used with new physical communication medium such as satellite and fiber optics transmission.

3. A digital library is a collection of documents in an organised electronic form available on the internet only.

Which of the statements given above is/are correct?

(a) 3 only
(b) 1 and 2
(c) 2 and 3
(d) 1, 2 and 3
653: Assertion (A):

In India, the political parties which formed the governments represented the majority of seats secured in the elections to the House of the People at the Centre and the Legislative Assemblies in the States but not the majority of votes.

Reason (R):

The elections based on the majority -vote system decide the result on the basis of relative majority of votes secured.

In the context of the above statements, which one of the following is correct?

(a) Both A and R are true, and R is the correct explanation of A

(b) Both A and R are true, but R is not a correct explanation of A

(c) A is true, but R is false

(d) A is false, but R is true
654: Chlorophyll contains:

(a) Beryllium

(b) Calcium

(c) Magnesium

(d) Strontium
655: Which one of the following is the correct chronological order of the formation as full States of the Indian Union ?

(a) Sikkim-Arunachal Pradesh-Nagaland-Haryana

(b) Nagaland-Haryana-Sikkim-Arunachal Pradesh

(c) Sikkim-Haryana-Nagaland-Arunachal Pradesh

(d) Nagaland-Arunachal Pradesh-Sikkim-Haryana