1851: 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
1852: Arrange the following in the decreasing order of their carbon content:

I. Cast iron

II. Wrought iron

III. Steel

(a) I, II, III

(b) II, I, III

(c) III, II, I

(d) I, III, II
1853: In the FIFA World Cup Football event in the year 2002, the number of goals scored by Ronaldo of Brazil was
(a) 6
(b) 7
(c) 8
(d) 9
1854: "The original structure of the Indian Constitution cannot be changed". In which of the following cases, Supreme Court of India gave this verdict?

(a) The Golak Nath case

(b) The Minerva Mills case

(c) The Kesavananda Bharati case

(d) None of the above
1855: Assertion

The same side of the moon is always seen from the earth.

Reason

The moon rotates on its axis once in each orbital revolution.

(a) both A and R are true but R is not the reason for A

(b) both A and R are true and R is the reason for A

(c) neither A nor R is correct

(d) A is correct but R is wrong