3676: A person stands at the middle point of a wooden ladder which starts slipping between a vertical wall and the floor of a room, while continuing to remain in a vertical plane. The path traced by a person standing at the middle point of the slipping ladder is:
(a) A straight line
(b) An elliptical path
(c) A circular path
(d) A parabolic path
3677: Which one of the following best describes the main objective of 'Seed Village Concept' ?
(a) Encouraging the farmers to use their own farm seeds and discouraging them to buy the seeds from others
(b) Involving the farmers for training in quality seed production and thereby to make available quality seeds to others at appropriate time and affordable cost
(c) Earmarking some villages exclusively for the production of certified seeds
(d) Identifying the entrepreneurs in village and providing them technology and finance to set up seed companies
3678: The first writer to use Urdu as the medium of poetic expression was
(a) Amir Khusru
(b) Mirza Ghalib
(c) Bahadur Shah Zafar
(d) Faiz
3679: Quartizite is metamorphosed from
(a) Limestone
(b) Obsidian
(c) Sandstone
(d) Shale
3680: Who among the following was associated with the suppression of Thugs ?
(a) General Henry Frendergast
(b) Captain Sleeman
(c) Alexander Burnes
(d) Captain Robert Pemberton