741: The hallmark of watershed development in the semi-arid regions of India is the
(a) establishment of sheds on large scale, so that the rain water does not evaporate
(b) undertaking of earthworks, soil conservation measures and tree plantation, so as to conserve soil moisture and recharge underground water
(c) drilling deep tubewells so as to tap water at the rock-strata level
(d) setting up a system of tanks by banking water from seasonal rivers
742: Nine different letters are to be dropped in three different letter boxes. In how many different ways can this be done?
(a) 27
(b) 3^9
(c) 9^3
(d) 3^9 - 3
743: Consider the following statements:
1. In Macedonia, ethnic Albanians are a minority
2. In Kosovo, Serbians are a majority
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
744: Consider the following statements:
1. MMTC Limited is India's largest international trading organization.
2. Neelachal Ispat Nigam Limited has been set up by MMTC jointly with the Government of Orissa.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
745: Lichens is an association of two types of organisms. They are:
(a) Algae and fungi
(b) Algae and virus
(c) Fungi and virus
(d) Virus and bacteria