176: In December 2002, the Prime Minister of India signed "Delhi Declaration" with the
(a) President of Indonesia
(b) President of Russia
(c) Prime Minister of Cambodia
(d) Prime Minister of Laos
177: 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'.
178: The word "Denisovan" is sometimes mentioned in media in reference to
(a) fossils of a kind of dinosaurs
(b) an early human species
(c) a cave system found in North-East India
(d) a geological period in the history of the Indian subcontinent
179: Which of the following taxes is/are levied by the Union and collected and appropriated by the States ?
(a) Stamp Duties
(b) Passenger and Goods Tax
(c) Estate Duty
(d) Taxes on Newspapers
180: Heat from the sun is received by the earth through:
(a) Conduction
(b) Convection
(c) Radiation
(d) None of the above