781. The country which has the largest number of UNESCO World Heritage Sites is
782. Which tree is the world’s tallest tree?
(A) Mountain ash
(C) Quindio wax palm
(D) Yellow meranti
783. North Atlantic Treaty that formed NATO was signed in
784. We live on the planet Earth. According to the scientists, the Earth was formed about _____ years ago.
(A) 4.6 million
(B) 5.6 million
(C) 4.6 billion
(D) 5.6 billion
785. Dinosaurs and many other species were extinct about _____ years ago.
(A) 55 million
(B) 65 million
(C) 75 million
(D) 85 million
786. deepest hole in the Earth, ‘Kola Superdeep Borehole’ on Russia’s Kola Peninsula, is about _____ feet deep.
787. Which country is building “Mars Science City” to develop technology to colonize Mars?
(D) United States
788. The stock of “Amonium Nitrate” which was resulted in large explosion in Lebanon is a _____ chemical compound.
789. Steeve Jobs earned fame during his association with:
790. There are 7 continents in the world. The total area of these 7 continents is about
(A) 118 million kilometer square
(B) 128 million kilometer square
(C) 138 million kilometer square
(D) 148 million kilometer square