2761: Which one of the following is an important crop of the Barak valley ?
(a) Jute
(b) Tea
(c) Sugarcane
(d) Cotton
2762: 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.
2763: In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere?
(a) Creating the artificial rains in some regions
(b) Reducing the frequency and intensity of tropical cyclones
(c) Reducing the adverse effects of solar wind on the Earth
(d) Reducing the global warming
2764: Fiscal deficit in the Union Budget means
(a)the sum of budgetary deficit and net increase in internal and external borrowings
(b) the difference between current expenditure and current revenue
(c) the sum of monetized deficit and budgetary deficit
(d) net increase in Union Government's borrowing from the Reserve Bank of India
2765: The greatest diversity of animal and plant species occurs in
(a) temperate deciduous forests
(b) tropical moist forests
(c) heavily polluted rivers
(d) deserts and savannas