4066: 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'.
4067: "Ghuzak" is the name of a place where:
(a) Jayapala met his enemy Sabuktigin
(b) Mahmud crushed defeat on Jayapala
(c) Jayapala burnt himself on a funeral pyre since he was unable to survive the disgrace caused by his defeat at the hands of Mahmud
(d) None of the above
4068: Product of 82540027 and 43253 is:
(a) 3570403787831
(b) 3570403787832
(c) 3570403787833
(d) 3570403787834
4069: The President of Union of India has the same constitutional authority as the:
(a) British Monarch
(b) President of U.S.A.
(c) President of Egypt
(d) President of Russia
4070: With reference to the food chains in ecosystems, which of the following kinds of organism is / are known as decomposer organism / organisms?
1. Virus
2. Fungi
3. Bacteria
Select the correct answer using the codes given below.
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3