91: 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.
92: Consider the following statements about probiotic food :
1. Probiotic food contains live bacteria which are considered beneficial to humans.
2. Probiotic food helps in maintaining gut flora.
(a) 1 only
(b) 2 Only
(c) Both 1 and 2
(d) Neither 1 nor 2
93: In the context of governance, consider the following:
1. Encouraging Foreign Direct Investment inflows
2. Privatization of higher educational Institutions
3. Down-sizing of bureaucracy
4. Selling/offloading the shares of Public Sector Undertakings
Which of the above can be used as measures to control the fiscal deficit in India?
(a) 1, 2 and 3
(b) 1, 2 and 4
(c) 2, 3 and 4
(d) 3 and 4 only
94: Which one of the following statements is NOT correct?
(a) Ali Mardan Khan introduced the i system of revenue farming in Bengal
(b) Maharaja Ranjit Singh set up modern foundries to manufacture cannons at Lahore
(c) Sawai Jai Singh of Amber had Euclid's Elements of Geometry translated into Sanskrit
(d) Sultan Tipu of Mysore gave money for the construction of the idol of Goddess Sarda in the Shringeri temple
95: How much is one barrel of oil approximately equal to?
(a) 131 litres
(b) 159 litres
(c) 257 litres
(d) 321 litres