201: The National Highway No. 1 connects:
(a) Bombay to Calcutta
(b) Delhi to Calcutta
(c) Bombay to Delhi
(d) Delhi to Amritsar
202: A student has 60% chance of passing in English and 54% chance of passing in both English and Mathematics. What is the percentage probability that he will fail in Mathematics ?
(a) 12
(b) 36
(c) 4
(d) 10
203: Punjab and Haryana receive rainfall from:
(a) Westerly disturbances
(b) Cyclones in Bay of Bengal
(c) Both of the above
(d) None of the above
204: Consider the following statements :
Ahadis were those troopers who
I. offered their services singly.
II. did not attach themselves to any chief.
III. had the emperor as their immediate colonel.
IV. attached themselves to Mirzas.
Of these statements :
(a) I, III and IV are correct
(b) I, II and III are correct
(c) II and III are correct
(d) I and IV are correct
205: Within biological communities, some species are important in determining the ability of a large number of other species to persist in the community. Such species are called
(a) Keystone species
(b) Allopatric species
(c) Sympatric species
(d) Threatened species