1346: Which one of the following plants is effective in reducing water pollution and is also useful for producing bio gas ?
(a) Eucalyptus
(b) Water hyacinth
(c) Salvinio
(d) Lotus
1347: Why DDT is banned in western countries?
(a) It remains in environment for a long time
(b) The insects are immunised
(c) It is a highly poisonous insecticide
(d) None of the above
1348: Which one of the following pairs of states and tribes is not correctly matched?
(a) Assam : Miri
(b) Nagaland : Konyak
(c) Aranachal Pradesh : Apatani
(d) Madhya Pradesh : Lambada
1349: A Person has to completely put each of three liquids : 403 litres of petrol, 465 litres of diesel and 496 litres of the Mobil Oil in bottles of equal size without mixing any of the above three types of liquids such that each bottle is completed filled. What is the least possible number of bottles required ?
(A) 46
(B) 34
(C) 44
(D) None of the above
1350: During the Indian Freedom Struggle, who of the following raised an army called 'Free Indian Legion' ?
(a) V. D. Savarkar
(b) Rashbehari Bose
(c) Lala Hardayal
(d) Subhas Chandra Bose