856: In medieval India, the designations `Mahattara and `Pattakila were used for

(a) military officers
(b) village headmen
(c) specialists in vedic rituals
(d) chiefs of craft guilds
857: With reference to agriculture in India, how can the technique of genome sequencing, often seen in the news, be used in the immediate future?

1. Genome sequencing can be used to identify genetic markers for disease resistance and drought tolerance in various crop plants.

2. This technique helps in reducing the time required to develop new varieties of crop plants.

3. It can be used to decipher the host-pathogen relationships in crops.

Select the correct answer using the code given below:

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
858: Capital Account Convertibility of the Indian Rupee implies

(a) that the Indian Rupee can be exchanged by the authorised dealers for travel

(b) that the Indian Rupee can be exchanged for any major currency for the purpose of trade in goods and services

(c) that the Indian Rupee can be exchanged for any major currency for the purpose of trading financial assets

(d) None of the above
859: Barkhan is a

(a) Crescent shaped sand-dune

(b) Depositional bar, separated by water from the coast

(c) Dark coloured, fine grained rock

(d) Glacial erosional feature
860: Consider the following statements:

1. Sensex is based on 50 of the most important stocks available on the Bombay Stock Exchange (BSE).

2. For calculating the Sensex, all the Sensex stocks are assigned proportional weightage.

3. New York Stock Exchange is the oldest stock exchange in the world.

Which of the following statements given above is/are correct?

(a) 1 and 3
(b) 2 and 3
(c) 2 only
(d) None