241: With reference to Indian defence, which one of the following statements is not correct?

(a) With the induction of Prithvi II, the IAF is the only airforce in the world with surface-to-surface ballistic missiles under its command
(b) Sukhoi-30 MKI jet fighters can launch air-to-air and air-to-surface precision missiles
(c) Trishul is a supersonic surface to-air missile-vith a range of 30 km
(d) The indigenously built INS Prabal can launch surface-to-surface missiles
242: Who established four Maths in four corners of India?

(a) Shankaracharya

(b) Bhaskara

(c) Ramanujacharya

(d) None of these
243: In India, the steel production industry requires the import of

(a) saltpetre
(b) rock phosphate
(c) coking coal
(d) All of the above
244: "Red Shirts" movement aimed at

(a) To throw out Britishers from India

(b) To promote Communist organisational activities

(c) To promote trade union activities

(d) All of the above
245: Alauddin Khilji maintained control on price during his reign because:

(a) He wanted to keep large army at lower expenses.

(b) He had mercy with poor people.

(c) He wanted to gain popularity.

(d) All of the above