1716: 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'.
1717: The below table indicates the performance of India in rice and wheat production from 1950-51 to 1995-96. Which of the following conclusions arrived at from the above table would be valid ?
I. Record production of rice as well as wheat has been in 1994-95.
II. The ratio of wheat to rice production seems to have steadily increased over 16 years.
III. Wheat has not been popular among the Indian population before 1980.
IV. India became self-sufficient in rice and wheat only after 1990.
Select the correct answer using the codes given below :
Codes :
(a) I and II
(b) I, II, III and IV
(c) III and IV
(d) None of the above
1718: Kalhana's Rajatarangini (twelfth century) contains
(a) A collection of stories preaching morals
(b) The history of the dynasties of Kashmir
(c) The history of early Muslim rule in India
(d) An account of the early Indian voyages
1719: Indian farmers are unhappy over the introduction of Terminator Seed Technology because the seeds produced by this technology are expected to
(a) show poor germination
(b) form low-yielding plants despite the high quality
(c) give rise to sexually sterile plants
(d) give rise to plants incapable of forming viable seeds
1720: The chemical name of 'Aspirin' is:
(a) Acetyl cynamide
(b) Acetyl salicylic acid
(c) Benzyl salicylate
(d) Tartaric acid