4076: In which one of the following areas did the Indira Gandhi Center for Atomic Research make significant progress in the year 2005?
(A) A new technology for high level nuclear waste management.
(B) Reprocessing the uranium-plutonium mixed carbide fuel of the Fast Breeder test Reactor.
(C) New applications of radioisotopes in metallurgy
(D) A new technology for production of heavy water
4077: Which one of the following statements is correct?
(a) Liquid Sodium is employed as a coolant in nuclear reactors
(b) Calcium carbonate is an ingredient of toothpaste
(c) Bordeaux mixture consists of sodium sulphate and lime
(d) Zinc amalgams are used as a dental filling
4078: The caves and rock-cut temples at Ellora are
(a) Buddhist
(b) Buddhist and Jain
(c) Hindu and Jain
(d) Hindu, Buddhist and Jain
4079: In which state is the Rajiv Gandhi National Institute of Youth Development located ?
(a) Himachal Pradesh
(b) Uttranchal
(c) Tamil Nadu
(d) Karnataka
4080: Consider the following statements:
1. Narasimha Saluva ended the Sangama dynasty and seized the throne for himself and started the Saluva dynasty.
2. Vira Narasimha deposed the last Saluva ruler and seized the throne for himself.
3. Vira Narasimha was succeeded by his younger brother, Krishnadeva Raya.
4. Krishnadeva Raya was succeeded by his half-brother, Achyuta Raya.
Which of the statements given above are correct?
(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1 and 4
(d) 1, 2, 3, and 4