2586: In which of the following shapes can a 1 kg plastic sheet be moulded so as to have minimum surface area?
(a) Cylindrical
(b) Spherical
(c) Conical
(d) Cubical
2587: A present group of nations known as G-8 started first as G-7. Which one among the following was not one of them?
(A) Canada
(B) Russia
(C) Italy
(D) Japan
2588: Consider the following Pairs : Wetlands Confluence of rivers
1. Harike Wetlands : Confluence of Beas and Satluj/Sutlej
2. Keoladeo Ghana : Confluence of National Park Banas and Chambal
3. Kolleru Lake : Confluence of Musi and Krishna
Which of the above pairs is/are correctly matched?
(a) 1 only
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 3
2589: In a particular region in India, the local people train the roots of living trees into robust bridges across the streams. As the time passes, these bridges become stronger. These unique 'living root bridges' are found in
(a) Meghalaya
(b) Himachal Pradesh
(c) Jharkhand
(d) Tamil Nadu
2590: Which one following companies had started a rural marketing network called e chaupal?
(a) ITC
(b) Dabur
(c) Proctor and Gamble
(d) Hindustan Lever