651: A stone is tied to a rope and attached to a wooden bar which rotates at constant angular velocity. Suddenly the bar is stopped. The stone gets encircled around the bar. What happens to the angular velocity of the stone.
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases and then decreases
652: Karl Marx explained the process of class struggle with the help of which one of the following theories?
(a) Dialectical materialism
(b) Empirical liberalism
(c) Existentialism
(d) Darwin's theory of evolution
Explanation:
Dialectical materialism is the philosophy of Marxism, which provides us with a scientific and comprehensive world outlook. It is the philosophical bedrock - the method - on which the whole of Marxist doctrine is founded.
653: Match List I with List II and select the correct answer using the codes given below the Lists:
List I-------------------------------------------List II
(Industrial Unit)---------------------------------(Centre)
I. Atlas Cycle Company Ltd.----------------------(A) Bangalore
II. Bharat Earth Movers Ltd.----------------------(B) Bhubaneswar
III. Indian Farmers Fertilisers Cooperative Ltd.-----(C) Kalol
IV. National Aluminium Company Ltd.--------------(D) Sonepat
Codes:
(a) I-A, II-D, III-B, IV-C
(b) I-A, II-D, III-C, IV-B
(c) I-D, II-A, III-B, IV-C
(d) I-D, II-A, III-C, IV-B
654: 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
Explanation:
If we consider Digital Signature same as Digital Signature Certificate then option should be d). The certificate contains information about the users identity (name, pin code, country, email address, the date the certificate was issued and the name of the certifying authority). However, if they are considered as different, then the answer should be c).
Source: https://www.independent.co.uk/news/science/artificial-life-synthetic-dna-scientists-living-organisms-create-scripps-research-institute-floyd-a8083966.html
http://www.jbc.org/content/255/9/4290.full.pdf
655: Most-Favoured-Nations (MFN) clause under GATT implies
(a) most favour to some countries
(b) most favour to all countries
(c) no favour to any country
(d) no favour to some countries