1676: In ancient Indian historical geography the name Ratnakara denoted

(a) the Arabian Sea

(b) the Bay of Bengal

(c) the Indian Ocean

(d) the the confluence of the Ganga, the Yamuna and the mythical Saraswati at Prayaga
1677: The given map relates to :

(a) Kanishka at the time of his death
(b) Samudragupta after the close of his South Indian campaign
(c) Ashoka towards close of his reign
(d) Empire of Thaneswar on the eve of Harsh's accession
1678: Which of the following pairs is not correctly matched?

(a) Arjun : Indigenously produced Main Battle Tank (MBT)

(b) Phalcon : Cruise missile supplied by Russia to India

(c) Saras : Indigenously developed civilian passenger aircraft

(d) Operation : New Indian Naval Base at Karwar Seabird
1679: Decomposition of organic matter is due to:

(a) Virus

(b) Fungi

(c) Bacteria

(d) None of these
1680: Which one of the following is the correct sequence in the decreasing order of contribution of different sectors to the Gross Domestic Product of India.?

(a) Industry-Agriculture-Services
(b) Service-Agriculture-Industry
(c) Industry- Services-Agriculture
(d) Service- Industry- Agriculture