586: If Amsterdam is X + 1, Montreal is X - 5, Tokyo is X + 9 and Lisbon is X, X denotes
(a) GMT
(b) The temperature as measured by the Kelvin scale to arrive at the temperature as measured by the Celsius s
(c) Base from which height and depth from the sea-level is measured
(d) The figure to be used for converting the Imperial System to the Metric System
587: With reference to food chains. In ecosystems, consider the following statements:
1. A food chain illustrates the order in which a chain of organisms feed upon each other.
2. Food chains are found within the populations of a species.
3. A food chain illustrates the numbers of each organism which are eaten by others.
Which of the statements given above is/are correct?
(a) 1 only
(b) 1 and 2 only
(c) 1, 2 and 3
(d) None
588: Who of the following scientists proved that the stars with mass less than 1.44 times the mass of the Sun end up as White Dwarfs when they die?
(a) Edwin Hubble
(b) S. Chandrashekhar
(c) Steven Weinberg
(d) Stephen Hawking
589: The terms Wanna Cry, Petya and Eternal Blue' sometimes mentioned in the news recently are related to
(a) Exo-planets
(b) Crypto-currency
(c) Cyber attacks
(d) Mini satellites
590: Which one of the following has merged with Tanganyika to form the present Tanzania?
(a) Zimbabwe
(b) Zaire
(c) Zanzibar
(d) Zambia