1296: Physiological population density is the ratio of:
(a) Total population to total area
(b) Total population to total irrigated land area
(c) Total population to urban land area
(d) Total population to rural land area
1297: Which one of the following pairs is not correctly matched?
(a) William Dickson : Motion Picture film
(b) Charles Babbage : Programmable computer
(c) Nicholas Stern : Construction technology
(d) Brian Greene : String theory
1298: One local and another express train were proceeding in the same direction on parallel tracks at 29 km/hour and 65 km/hour respectively. The driver of the former noticed that it took exactly 16 seconds for the faster train to pass by him. What is the length of the faster train?
(a) 60 m
(b) 120 m
(c) 160 m
(d) 240 m
1299: Which of the following pairs are correctly matched ?
I. Dow Jones : New York
II. Hang Seng : Seoul
III. FTSE - 100 : London
Select the correct answer using the codes given below:
(a) I, II and III
(b) II and III
(c) I and II
(d) I and III
1300: Gypsum is added to the soil?
(a) To increase the alkalinity
(b) To decrease the acidity
(c) To decrease the alkalinity
(d) As an insecticide