4206: Recently, Scientists observed the merger of giant blackholes billions of light-years away from the Earth. What is the significance of this observation?
(a) 'Higgs boson particles' were detected.
(b) 'Gravitational waves' were detected.
(c) Possibility of inter-galactic space travel through 'wormhole' was confirmed.
(d) It enabled the scientists to understand 'singularity'.
4207: In terms of value, which one of the following commodities accounted for the largest agricultural exports by India during the three year period from 1997- 1998 to 1999-2000?
(a) Cereals
(b) Marine products
(c) Spices
(d) Tea
4208: The given pie charts show the proportion of literates and illiterates in a country, in the year 1970 and 1990 and also the proportion of males (M) and females (F) among the literates. Which one of the following statements can be said to be beyond any doubt ?
(a) In 1970 has of the illiterates were women (females)
(b) The proportion of literate males to the total population of males remained the same over the years
(c) Male literacy did not improve over this period
(d) The ratio of female literates to male literates improved significantly over this period
4209: What is the likely impact of decrease of population on economy?
(a) Increase in per capita income
(b) Decrease in per capita income
(c) Increase in investment
(d) Decrease in savings
4210: Which one of the following movements has contributed to a split in the Indian National Congress resulting in the emergence of 'moderates' and 'extremists'?
(a) Swadeshi Movement
(b) Quit India Movement
(c) Non-Cooperation Movement
(d) Civil Disobedience Movement