2426: Assertion (A):
Saluva Narasimha put an end to the old dynasty and assumed the royal title.

Reason (R):
He wanted to save the kingdom from further degeneration and disintegration.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
2427: To check the expansion of Thar desert which of the following measures should be used?

(a) Construction of dams

(b) Afforestation

(c) Construction of canals

(d) Artificial rain
2428: Who was the last ruler of the Tughluq dynasty of the Delhi Sultanate?

(a) Firoz Shah Tughluq

(b) Ghiyas-ud-din Tughluq Shah II

(c) Nasir-ud-din Mahmud

(d) Nasrat Shah
2429: Among the four works mentioned below which one is encyclopaedic in nature?

(a) Amarakosa

(b) Siddhantasiromani

(c) Brhat Samhita

(d) Ashtangahrdaya
2430: In the context of modern scientific research, consider the following statements about 'Ice Cube', a particle detector located at South Pole, which was recently in the news:

1. It is the world's largest neutrino detector, encompassing a cubic kilometre of ice.
2. It is a powerful telescope to search for dark matter.
3. It is buried deep in the ice.

Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3