1546: In collaboration with David hare and Alexander Duff, who of the following established Hindu College at Calcutta?

(a) Keshab Chandra Sen
(b) Ishwar Chandra Vidyasagar
(c) Henry Louis Vivian Derozio
(d) Raja Rammohan Roy

1547: 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
1548: Assertion (A) :

The frequency of floods in North Indian plains has increased during the last couple of decades.

Reason (R) :

There has been reduction in the depth of river valleys due to deposition of silt.

(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
1549: Which one of the following colloidal systems is represented by fog?

(a) Liquid in gas

(b) Gas in liquid

(c) Solid in gas

(d) Liquid in liquid
1550: Which one of the following statements is correct ?

(a) All the members of the Rajya Sabha are elected by State Legislative Assemblies

(b) As the Vice-President is the ex-officio Chairman of the Rajya Sabha, only a member of the Rajya Sabha can contest for the office of the Vice-President

(c) A point of difference between the Lok Sabha and the Rajya Sabha is that while a candidate to the Lok Sabha can contest from any State in India, a candidate to the Rajya Sabha should ordinarily be are resident of the State from where he is contesting

(d) The Constitution of India explicitly prohibits the appointment of a nominated member of Rajya Sabha to the post of a minister