2046: The Brahmaputra, Irrawady and Mekong rivers originate in Tibet and flow it through narrow and parallel mountain ranges in their upper reaches. Of these rivers, Brahmaputra makes a "U" turn in its course to flow into India. This "U" turn is due to
(a) Uplift of folded Himalayan series
(b) Syntaxial bending of geologically young Himalayas
(c) Geo-tectonic disturbance in the tertiary folded mountain chains
(d) Both (a) and (b) above
2047: Between India and East Asia, the navigation time and distance can be greatly reduced by which of the following?
1. Deepening the Malacca straits between Malaysia and Indonesia.
2. Opening a new canal across the Kraisthmus between the Gulf of Siam and Andaman Sea.
Which of the statements given above is are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither I nor 2
2048: In which one of the following cities is the Global Automotive Research Centre being set up?
(a) Hyderabad
(b) Gurgaon
(c) Chennai
(d) Pune
2049: The technique used to transmit audio signals in television broadcasts is
(a) Amplitude Modulation
(b) Frequency Modulation
(c) Pulse Code Modulation
(d) Time Division Multiplexing
2050: Which of the following is a living fossil?
(a) Blue green algae
(b) Green algae
(c) Fungus
(d) Ginkgo