2216: 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
2217: Why is a plant called Prosopis juliflora often mentioned in news ?
(a) Its extract is widely used in cosmetics.
(b) It tends to reduce the biodiversity in the area in which it grows.
(c) Its extract is used in the synthesis of pesticides.
(d) None of the above
2218: Ajanta Caves are located in the State of:
(a) Maharashtra
(b) Gujarat
(c) Tamil Nadu
(d) West Bengal
2219: Which one of the following statements is not correct ?
(a) All echinoderms are viviparous
(b) Round worm has no circulatory system
(c) In bony fishes, swim bladder is usually present
(d) In cartilaginous fishes, fertilisation is internal
2220: In the year 1613, where was the English East India Company given permission to set up a factory (trading post) ?
(a) Bangalore
(b) Madras
(c) Masulipattam
(d) Surat