4346: Direct taxation was introduced by the ...... committee.

(a) Wanchoo

(b) Chetty

(c) Kaldor

(d) Raja Chelliah
4347: 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.
4348: Which one of the following is the objective of National Renewal Fund ?

(a) To safeguard the interests of workers who may be affected by technological upgradation of industry or closure of sick units

(b) To develop the core sector of the economy

(c) For the development of infrastructure such as energy, transport, communications and irrigation

(d) For human resource development such as full literacy, employment, population control, housing and drinking water
4349: If there were no organic life on the Earth, the amount of oxygen in the atmosphere will:

(a) Remain unchanged.

(b) Be approximately hundred per cent.

(c) Be almost nil.

(d) Be approximately fifty per cent.
4350: Which of the following is not an element of the bone?

(a) Calcium

(b) Phosphorus

(c) Carbon

(d) Oxygen