576: Which one of the following pairs is not correctly matched?
(a) William Dickson : Motion Picture film
(b) Charles Babbage : Programmable computer
(c) Nicholas Stern : Construction technology
(d) Brian Greene : String theory
577: Which one of the following elements is essential for the construction of nuclear reactors ?
(a) Cobalt
(b) Nickel
(c) Zirconium
(d) Tungsten
578: Which one of the following statements is incorrect ?
(a) Goa attained full statehood in 1987
(b) Diu is an island in the Gulf of Khambhat
(c) Daman and Diu were separated from Goa by the 56th Amendment of the Constitution of India
(d) Dadra and Nagar Haveli were under French colonial rule till 1954
579: The term "sixth mass extinction/sixth extinction" is often mentioned in the news in the context of the discussion of
(a) Widespread monoculture practices in agriculture and large-scale commercial farming with indiscriminate use of chemicals in many parts of the world that may result in the loss of good native ecosystems.
(b) Fears of a possible collision of a meteorite with the Earth in the near future in the manner it happened 65 million years ago that caused the mass extinction of many species including those of dinosaurs. .
(c) Large scale cultivation of genetically modified crops in many parts of the world and promoting their cultivation in other parts of the world which may cause the disappearance of good native crop plants and the loss of food biodiversity.
(d) Mankind's over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution and global climate change.
580: "Sufi Sect" originated and developed in:
(a) Christianity
(b) Islam
(c) Hinduism
(d) Zoroastrianism