21: The emerging trading blocs in the world, such as NAFTA, ASEAN and the like, are expected to

(a) act as constrictions in free trade across the world

(b) promote free trade on the lines laid down by the WTO

(c) permit transfer of technology between member countries

(d) promote trade in agricultural commodities between countries of the North and South
22: 'Project Loon', sometimes seen in the news, is related to

(a) waste management technology
(b) wireless communication technology
(c) solar power production technology
(d) water conservation technology
23: If a toy boat in a tank sinks, the level of water will:

(a) Increase

(b) Decrease

(c) Fluctuate

(d) Remain the same
24: The largest number of Buddhists is found in

(a) Bihar
(b) Karnataka
(c) Maharashtra
(d) Uttar Pradesh
25: Consider the following statements :

Industrial development in India, to an extent, is constrained by

I. lack of adequate entrepreneurship and leadership in business.
II. lack of savings to invest.
III. lack of technology, skills and infrastructure.
IV. limited purchasing power among the larger masses.

Which of the above statements are correct ?

(a) I, II and III
(b) I, III and IV
(c) II, III and IV
(d) I, II and IV