646: Which one of the following is not a Harappan site?

(a) Chanhudaro

(b) Kot Diji

(c) Sohgaura

(d) Desalpur
647: Elizabeth Hawley is well-known for her writings relating to which one of the following?

(a) Historical monuments in India

(b) Regional dances in India

(c) Himalayan expeditions

(d) Wildlife in India
648: The Asokan major rock edicts which tell us about the Sangam Kingdom include rock edicts

(a) I and X

(b) I and XI

(c) II and XIII

(d) II and XIV
649: Among the following, which one has the minimum population on the basis of data of Census of India, 2001 ?

(a) Puctucherry

(b) Sikkim

(c) Mizoram

(d) Chandigarh
650: Assertion (A):
A diamond sparkles more than a glass imitation cut to the same shape.

Reason (R):
The refractive index of diamond is less than that of glass.

In the context of the above two 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