2891: Consider the following statements :
I. Tides are of great help in navigation and fishing.
II. High tide enables big ships to enter or leave the harbour safely.
III. Tide prevents siltation in the harbours.
IV. Kandla and Diamond Harbour are tidal ports.
Which of these statements are correct ?
(a) I and IV
(b) II, III and IV
(c) I, II and III
(d) I, II, III and IV
2892: Which one of the following is the best description of the term 'ecosystem'?
(a) A community of organisms interacting with one another.
(b) That part of the Earth which is inhabited by living organisms.
(c) A community of organisms together with the environment in which they live
(d) The flora and fauna of a geographical area
2893: Which of the following are included in the original jurisdiction of the Supreme Court?
1. A dispute between the Government of India and one or more States
2. A dispute regarding elections to either House of the Parliament or that of Legislature of a State
3. A dispute between the Government of India and a Union Territory
4. A dispute between two or more States
Select the correct answer using the codes given below :
(a) 1 and 2
(b) 2 and 3
(c) 1 and 4
(d) 3 and 4
2894: 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
2895: Which of the following pairs is correct?
City : River
(a) Baghdad : Tigris
(b) Bonn : Danube
(c) Rome : Seine
(d) Paris : Tiber